PHYSICAL

Tier 1

Stealth
Rank 1
Adds a Stealth Meter. You are 25% more difficult to detect when sneaking. Suppressed weapons do an additional 10% sneak attack damage. 
Rank 2
Upgrades the Stealth Meter. You are 50% more difficult to detect when sneaking. Suppressed weapons do an additional 20% sneak attack damage.
Rank 3
You are 75% more difficult to detect when sneaking. Suppressed weapons do an additional 30% sneak attack damage. Move faster for 10 seconds after a kill with a suppressed weapon. 
Rank 4
You are 100% more difficult to detect when sneaking. Suppressed weapons do an additional 40% sneak attack damage. Doors you interact with while in stealth no longer alert enemies.

Fitness
Rank 1
You have 25% more oxygen available.
Rank 2
You have 50% more oxygen available. Sprinting and power attacks now use 25% less oxygen.
Rank 3
You have 75% more oxygen available.
Rank 4
Sprinting and power attacks now use 50% less oxygen.

Gourmet
Rank 1
You can craft specialty food and drinks, and research additional recipes at a Research Lab. Crafting food and drinks won't use up resources 30% of the time.
Rank 2
You can research and craft gourmet food and drinks. Food and drink are 75% more effective.
Rank 3
You can research and craft food and drink delicacies. Crafting food and drinks won't use up resources 60% of the time.
Rank 4
You can research and craft exotic recipes. Food and drink are 150% more effective.

Weight Lifting
Rank 1
Increase total carrying capacity by 25 kilograms.
Rank 2
Increase total carrying capacity by 50 kilograms. Gain 25% resistance to stagger.
Rank 3
Increase total carrying capacity by 75 kilograms.
Rank 4
Increase total carrying capacity by 100 kilograms. Gain 50% resistance to stagger.

Wellness
Rank 1
Increase your maximum health by 10%. You are 10% less likely to become addicted to chems.
Rank 2
Increase your maximum health by 20%. You are 20% less likely to become addicted to chems.
Rank 3
Increase your maximum health by 30%. You are 30% less likely to become addicted to chems.
Rank 4
Increase your maximum health by 50%. You are 50% less likely to become addicted to chems.

Boxing
Rank 1
Unarmed attacks do 30% more damage. 30% less O2 used when using a power attack.
Rank 2
Unarmed attacks do 60% more damage. 60% less O2 used when using a power attack.
Rank 3
Unarmed attacks do 100% more damage. While in a fight and unarmed, running consumes 50% less O2.
Rank 4
Unarmed attacks do 150% more damage and have a 15% chance to knock down opponents.

Tier 2

Pain Tolerance
Rank 1
Physical, Energy and EM damage is reduced by 20%.
Rank 2
Physical, Energy and EM damage is reduced by 30%.
Rank 3
Physical, Energy and EM damage is reduced by 40%.
Rank 4
10% chance to ignore physical damage and 20% chance to reflect energy or EM damage back to an attacker when your health is below one third.

Environmental Conditioning
Rank 1
Gain 50 resistance to Airborne environmental damage.
Rank 2
Gain 50 resistance to Thermal environmental damage. 25% reduced chance to gain afflictions from environmental damage sources.
Rank 3
Gain 50 resistance to Corrosive and Radiation environmental damage.
Rank 4
50% reduced chance to gain afflictions from environmental damage sources.

Martial Arts
Rank 1
15% increased chance to crit with a melee or unarmed attack.
Rank 2
15% chance to disarm an opponent with a melee or unarmed power attack.
Rank 3
While unarmed or wielding a melee weapon, take 25% less damage. 25% increased chance to crit with a melee or unarmed attack.
Rank 4
Reflect 50% damage back when blocking a melee or unarmed attack. Deal 25% more crit damage with melee attacks.

Tier 3

Gymnastics
Rank 1
Take 15% less fall damage. Unlock the ability to combat slide. Move much faster in Zero-G.
Rank 2
Take 30% less fall damage. Move slightly faster.
Rank 3
Take 50% less fall damage. 50% recoil reduction while firing in Zero-G. Replenish some O2 after mantling.
Rank 4
Move significantly faster. Doubled jump height. Run much faster after combat sliding or mantling.

Decontamination
Rank 1
10% increased chance to recover from infections naturally.
Rank 2
30% increased chance to recover from infections naturally.
Rank 3
50% increased chance to recover from infections naturally.
Rank 4
20% chance of not gaining an infection when you otherwise would.

Cellular Regeneration
Rank 1
10% increased chance to recover from injuries naturally.
Rank 2
20% increased chance to recover from injuries naturally.
Rank 3
30% increased chance to recover from injuries naturally.
Rank 4
50% increased chance to recover from injuries naturally. 25% chance of not gaining an injury when you otherwise would.

Tier 4

Neurostrikes
Rank 1
15% chance to stun an NPC with an unarmed attack.
Rank 2
Unarmed attacks now do additional EM damage.
Rank 3
30% chance to stun an NPC with an unarmed attack. Deal 50% more damage with unarmed critical hits.
Rank 4
After stunning an enemy, you also knock down any enemies within close range.

Concealment
Rank 1
You no longer set off enemy mines. Ranged sneak attacks do 2.5x normal damage and your melee sneak attacks do 4x normal damage.
Rank 2
Running while sneaking doesn't affect stealth. Ranged sneak attacks do 3x normal damage and your melee sneak attacks do 6x normal damage.
Rank 3
You gain a Chameleon-like ability when completely still and sneaking. Ranged sneak attacks do 3.5x normal damage and your melee sneak attacks do 8x normal damage.
Rank 4
Engaging stealth causes distant enemies to lose you. Ranged sneak attacks do 4x normal damage and your melee sneak attacks do 10x normal damage.

Rejuvenation
Rank 1
Slowly regenerate health outside of combat.
Rank 2
Regenerate health more quickly outside of combat.
Rank 3
Regenerate health much faster outside of combat. You can now slowly regenerate health while in combat.
Rank 4
Regenerate health even faster outside of combat. You can now regenerate health quickly while in combat.

SOCIAL

Tier 1

Scavenging
Rank 1
There's a 60% chance you'll find extra credits when searching containers.
Rank 2
There's a 60% chance you'll find extra ammo when searching containers.
Rank 3
There's a 60% chance you'll find extra aid items, like Med Packs or chems, when searching containers.
Rank 4
Tracked resources will get highlighted when using the hand scanner. Gain 25 additional carry weight.

Commerce
Rank 1
Buy for 10% less and sell for 5% more.
Rank 2
Buy for 20% less and sell for 10% more.
Rank 3
Buy for 30% less and sell for 15% more.
Rank 4
Buy for 40% less and sell for 20% more.

Persuasion
Rank 1
15% increased chance of success when persuading someone.
Rank 2
30% increased chance of success when persuading someone.
Rank 3
45% increased chance of success when persuading someone.
Rank 4
60% increased chance of success when persuading someone.

Theft
Rank 1
Unlock the ability to pickpocket targets.
Rank 2
20% greater chance to successfully pickpocket.
Rank 3
35% greater chance to successfully pickpocket.
Rank 4
50% greater chance to successfully pickpocket. Can now pickpocket holstered weapons.

Negotiation
Rank 1
You now have access to Bribery in speech challenges.
Rank 2
Reduces bribery cost by 25%.
Rank 3
Reduces bribery cost by 50%.
Rank 4
Occasionally, bribery won't cost any money.

Tier 2

Isolation
Rank 1
Do +10% weapon damage and gain 15 Damage Resistance for each Spacesuit and Helmet equipped when you don't have a companion or any crew.
Rank 2
Do +20% weapon damage and gain 30 Damage Resistance for each Spacesuit and Helmet equipped when you don't have a companion or any crew.
Rank 3
Do +30% weapon damage and gain 45 Damage Resistance for each Spacesuit and Helmet equipped when you don't have a companion or any crew.
Rank 4
Do +40% weapon damage and gain 60 Damage Resistance for each Spacesuit and Helmet equipped when you don't have a companion or any crew.

Leadership
Rank 1
Companions gain affinity 25% faster. 5% increased XP gain with a follower.
Rank 2
Companions have 50 more health and 50kg more carrying capacity.
Rank 3
Companions will occasionally heal you when you get low health. 
Rank 4
Doubles the bonuses of Combat and Physical Crew Skills on Companions. Companions have a chance to pick themselves up from a downed state.

Diplomacy
Rank 1
You can force a target NPC at or below your level to stop fighting for a while with a 40% chance.
Rank 2
You can force a target NPC up to 15 levels higher than you to stop fighting for a while with a 50% chance.
Rank 3
You can force a target NPC up to 30 levels higher than you to stop fighting for a while with a 60% chance.
Rank 4
You can force target NPCs to permanently stop fighting (unless they're attacked again) with a 70% chance.

Intimidation
Rank 1
You can force a target NPC at or below your level to flee for a limited time with a 40% chance.
Rank 2
You can force a target NPC up to 15 levels higher than you to flee for a limited time with a 50% chance.
Rank 3
You can force a target NPC up to 20 levels higher than you to flee for a limited time with a 60% chance.
Rank 4
Intimidated targets now flee for substantial amount of time with a 70% chance.

Tier 3

Piracy
Rank 1
You can detect more information about ships in space. Ships 10% stronger will automatically surrender to piracy demands. Enemy contraband scans are 10% less effective.
Rank 2
You can detect more specific information about ships in space. Ships 20% stronger will automatically surrender to piracy demands. Enemy contraband scans are 20% less effective.
Rank 3
You gain better combat information on ships in space. Ships 30% stronger will automatically surrender to piracy demands. Enemy contraband scans are 30% less effective.
Rank 4
You gain a complete list of cargo on ships in space. Ships 50% stronger will automatically surrender to piracy demands. Enemy contraband scans are 50% less effective.

Xenosociology
Rank 1
You can force a target alien creature up to 20 levels higher than you to stop fighting for a limited time with a 60% chance.
Rank 2
You can force a target alien creature up to 20 levels higher than you to flee for a limited time with a 60% chance.
Rank 3
You can force a target alien creature up to 20 levels higher than you to attack their allies for a limited time with a 60% chance.
Rank 4
You can force a target creature up to 20 levels higher than you to obey commands for a limited time with a 60% chance.

Instigation
Rank 1
You can force a target NPC at or below your level to attack their allies for a limited time with a 40% chance.
Rank 2
You can force a target NPC up to 15 levels higher than you to attack their allies for a limited time with a 50% chance.
Rank 3
You can force a target NPC up to 30 levels higher than you to attack their allies for a limited time with a 60% chance.
Rank 4
Enemies affected by Instigation will attack their allies until they are dead with a 70% chance.

Tier 4

Outpost Management
Rank 1
Additional cargo links can be placed at outposts. It costs 10% less resources to build on outposts.
Rank 2
Additional robots can be constructed at outposts. It costs 20% less resources to build on outposts.
Rank 3
Additional crew can be assigned at outposts.
Rank 4
Outpost extractors produce twice as fast.

Ship Command
Rank 1
You can have up to four active crew members.
Rank 2
You can have up to six active crew members.
Rank 3
You can have up to eight active crew members.
Rank 4
You can have up to ten active crew members.

Manipulation
Rank 1
You can force a target NPC at or below your level to obey commands for a limited time with a 40% chance.
Rank 2
You can force a target NPC up to 15 levels higher than you to obey commands for a limited time with a 50% chance.
Rank 3
You can force a target NPC up to 30 levels higher than you to obey commands for a limited time with a 60% chance.
Rank 4
Manipulated targets now obey commands for a substantial amount of time with a 70% chance.

COMBAT

Tier 1

Lasers
Rank 1
Laser weapons do 10% more damage.
Rank 2
Laser weapons do 20% more damage and are 20% more accurate.
Rank 3
Laser weapons do 30% more damage.
Rank 4
Laser weapons do 40% more damage and have a 5% chance to set a target on fire.

Ballistics
Rank 1
Ballistic weapons do 10% more damage.
Rank 2
Ballistic weapons do 20% more damage and deal 20% more damage with critical hits.
Rank 3
Ballistic weapons do 30% more damage.
Rank 4
Ballistic weapons do 40% more damage and their range is increased by 40%.

Pistol Certification
Rank 1
Pistols do 20% more damage.
Rank 2
Pistols do 40% more damage and have 10% increased critical hit chance.
Rank 3
Pistols do 60% more damage and are 20% more accurate.
Rank 4
Pistol kills grant 20% increased critical hit chance and 50% increased reload speed for 5 seconds.

Shotgun Certification
Rank 1
Shotguns do 20% more damage.
Rank 2
Shotguns do 30% more damage and have 50% more range.
Rank 3
Shotguns do 40% more damage and deal 30% more damage with critical hits.
Rank 4
Shotgun kills grant a 10% chance to stun additional targets with shotguns for 20 seconds. Shotguns deal 50% more damage with critical hits.

Dueling
Rank 1
Melee weapons do 25% more damage. Take 10% less damage while wielding a melee weapon.
Rank 2
Melee weapons do 50% more damage. Melee kills make you run 25% faster for 10 seconds.
Rank 3
Melee weapons do 75% more damage. Take 20% less damage while wielding a melee weapon.
Rank 4
Melee hits heal you for 5% of your health. Melee kills heal you for 10% of your health.

Demolitions
Rank 1
Throwing grenades now shows a trajectory arc. Explosions have a 50% larger radius.
Rank 2
Explosives do 50% more damage.
Rank 3
Reduce damage taken from explosives by 35%. Explosive weapons reload 30% faster.
Rank 4
All previous bonuses are doubled. 

Tier 2

Rifle Certification
Rank 1
Rifles do 20% more damage.
Rank 2
Rifles do 30% more damage and reload 30% faster.
Rank 3
Rifles do 40% more damage and are 20% more accurate.
Rank 4
Rifles have a 25% increased fire rate.

Heavy Weapon Certification
Rank 1
Heavy weapons do 20% more damage.
Rank 2
Heavy weapons do 35% more damage and have 35% faster reload speed.
Rank 3
Heavy weapons do 50% more damage and have 5% increased critical hit chance.
Rank 4
Gain 25% Physical resistance while aiming down sights with a heavy weapon. Heavy weapons weigh 25% less.

Rapid Reloading
Rank 1
Reload all weapons 10% faster. 25% chance to avoid getting staggered while reloading.
Rank 2
Reload all weapons 20% faster. 5% chance on hitting enemies to increase reload speed for all weapons by 50% for 15 seconds. 
Rank 3
Reload all weapons 30% faster. 50% chance to avoid getting staggered while reloading. 
Rank 4
Reload all weapons 40% faster. 10% chance on hitting enemies to increase reload speed for all weapons by 50% for 15 seconds.

Incapacitation
Rank 1
EM weapons do 10% more damage.
Rank 2
EM weapons do 20% more damage and have a 10% chance to do 300% EM damage.
Rank 3
EM weapons do 30% more damage.
Rank 4
EM weapons do 40% more damage and have a 20% chance to do 300% EM damage.

Targeting
Rank 1
10% increased accuracy and range when shooting without aiming. Marks up to one enemy within 25m that damages you.
Rank 2
20% increased accuracy and range when shooting without aiming. Move speed increases for 10 seconds after a kill without aiming. Marks up to two enemies within 50m that damage you.
Rank 3
30% increased accuracy and range when shooting without aiming. Marks up to three enemies within 75m that damage you.
Rank 4
10% chance to disarm targets hit when shooting without aiming. Marks up to four enemies within 100m that damage you.

Tier 3

Particle Beams
Rank 1
Particle beam weapons do 10% more damage.
Rank 2
Particle beam weapons do 20% more damage and have a 20% increased critical hit chance.
Rank 3
Particle beam weapons do 30% more damage.
Rank 4
Particle beam weapons do 40% more damage and deal 20% more critical hit damage with headshots.

Armor Penetration
Rank 1
Attacks with ballistic weapons ignore 15% of a target's armor.
Rank 2
Attacks with ballistic weapons ignore 30% of a target's armor.
Rank 3
Attacks with ballistic weapons ignore 50% of a target's armor.
Rank 4
Enemy armor is decreased by 50% for 6 seconds after a critical hit.

Sniper Certification
Rank 1
Scoped weapons are steadier and have less sway.
Rank 2
Headshots while aiming with a scoped weapon have a +25% critical hit chance.
Rank 3
You can hold your breath twice as long with scoped weapons. Critical hits on headshots do 10% more damage with scoped weapons.
Rank 4
Scoped weapons do 50% more damage while using the scope and are much more stable.

Tier 4

Crippling
Rank 1
Human enemies have a 20% increased chance to enter a downed state after taking enough damage.
Rank 2
Humanoid enemies have a 30% increased chance to enter a downed state and a 50% increased chance to not naturally recover from a downed state.
Rank 3
Humanoid enemies have a 40% increased chance to enter a downed state and now can enter a downed state earlier.
Rank 4
Previous ranks now apply to all enemy types. You now do 100% more damage to downed enemies.

Sharpshooting
Rank 1
Increase headshot critical damage by 50% with ranged weapons.
Rank 2
Increase critical damage to enemy legs by 50% with ranged weapons.
Rank 3
Increase all critical damage to enemies by 50% with ranged weapons.
Rank 4
Ranged critical hit kills increase your critical hit chance with all ranged weapons by 25% for 20 seconds.

Marksmanship
Rank 1
Increase critical hit chance with non-automatic ranged weapons by 10%.
Rank 2
Increase critical hit chance with non-automatic ranged weapons by 20%.
Rank 3
Increase critical hit chance with non-automatic ranged weapons by 30%.
Rank 4
Critical hits using a non-automatic ranged weapon with a scope do double damage and those without scopes knock down enemies on the next shot.

SCIENCE

Tier 1

Medicine
Rank 1
Med Packs, Trauma Packs, and Emergency Kits restore 10% additional Health 15% faster.
Rank 2
Med Packs, Trauma Packs, and Emergency Kits restore 20% additional Health 30% faster.
Rank 3
Med Packs, Trauma Packs, and Emergency Kits restore 30% additional Health 45% faster.
Rank 4
Med Packs, Trauma Packs, and Emergency Kits restore 50% additional Health 60% faster, and have a chance to cure an affliction.

Research Methods
Rank 1
Resources required to craft items and complete research projects is reduced by 25%.
Rank 2
Resources required to craft items and complete research projects is reduced by 50%. Sudden developments during research are twice as common.
Rank 3
Resources required to craft items and complete research projects is reduced by 75%.
Rank 4
Sudden developments during research are three times as common.

Chemistry
Rank 1
You can create improved chems, and research additional chems at a Research Lab. Positive effects from chems last 50% longer.
Rank 2
You can research and create superior chems. You are 25% less likely to become addicted to chems. Crafting chems has a 10% chance to double the amount created.
Rank 3
You can research and create cutting-edge chems. Positive effects from chems last twice as long and are 50% stronger.
Rank 4
Crafting chems has a 10% chance to quadruple the amount created. You are 50% less likely to become addicted to chems. Positive effects from chems last three times as long.

Geology
Rank 1
Get more common and uncommon inorganic resources from surface objects. You can detect unique inorganic resources on planet and moon surfaces.
Rank 2
Get more rare inorganic resources from surface objects. You can detect rare inorganic resources on planet and moon surfaces.
Rank 3
Get more exotic inorganic resources from surface objects. You can detect exotic inorganic resources on planet and moon surfaces.
Rank 4
Occasionally harvest additional rarer resources from surface objects. You can detect unique inorganic resources on planet and moon surfaces.

Surveying
Rank 1
Adds an optional zoom to the hand scanner, and scan distance is increased to 20 meters.
Rank 2
Adds another level of zoom to the hand scanner, and scan distance is increased to 30 meters.
Rank 3
Adds another level of zoom to the hand scanner, and scan distance is increased to 40 meters.
Rank 4
Adds another level of zoom to the hand scanner, and scan distance is increased to 50 meters.

Tier 2

Botany
Rank 1
Get more common and uncommon organic resources from plants, learn additional info about them from the scanner, and allows some plants to be cultivated at your outposts.
Rank 2
Get more rare organic resources from plants, and learn information about them more quickly using the scanner.
Rank 3
Get more exotic organic resources from plants, and learn information about them more quickly using the scanner.
Rank 4
Occasionally harvest additional rarer resources from plants, and learn information about them more quickly using the scanner.

Zoology
Rank 1
Get more common organic resources from creatures and harvest from them without harming them, learn additional info about them from the scanner, and allows you to produce animal resources at your outposts.
Rank 2
Get more uncommon organic resources from creatures, and learn information about them more quickly using the scanner.
Rank 3
Get more rare organic resources from creatures, and learn information about them more quickly using the scanner.
Rank 4
Occasionally harvest additional rarer resources from creatures, and learn information about them more quickly using the scanner.

Spacesuit Design
Rank 1
You can craft improved spacesuit, helmet, and pack mods, and research additional mods at a Research Lab.
Rank 2
You can research and craft superior spacesuit, helmet, and pack mods.
Rank 3
You can research and craft cutting-edge spacesuit, helmet, and pack mods.
Rank 4
Construction of spacesuit, helmet, and pack mods occasionally doesn't cost resources.

Weapon Engineering
Rank 1
You can craft improved weapon mods at a Weapon Workbench, and research additional weapon mods at a Research Lab.
Rank 2
You can research and craft superior weapon mods.
Rank 3
You can research and craft cutting-edge weapon mods.
Rank 4
You can research and craft master-level weapon mods.

Tier 3

Robotics
Rank 1
You deal 25% more damage to Robots and Turrets. You can force a target robot up to 10 levels higher than you to stop fighting for a limited time with a 30% chance.
Rank 2
You deal 50% more damage to Robots and Turrets. You can force a target robot up to 10 levels higher than you to flee for a limited time with a 40% chance.
Rank 3
You deal 75% more damage to Robots and Turrets. You can force a target robot up to 20 levels higher than you to attack their allies for a limited time with a 50% chance.
Rank 4
You deal double damage to Robots and Turrets. You can force a target robot up to 20 levels higher than you to obey commands for a limited time with a 60% chance.

Planetary Habitation
Rank 1
You can build outposts on planets with extreme temperatures (Deep Freeze and Inferno). Increase the maximum number of Outposts you can build by 4.
Rank 2
You can build outposts on planets with extreme pressure. Increase the maximum number of Outposts you can build by 8.
Rank 3
You can build outposts on planets with toxic or corrosive atmospheres. Increase the maximum number of Outposts you can build by 12.
Rank 4
You can build outposts on planets with extreme gravity. Increase the maximum number of Outposts you can build by 16.

Outpost Engineering
Rank 1
You can construct improved outpost modules, and research additional modules at a Research Lab.
Rank 2
You can research and construct superior outpost modules.
Rank 3
You can research and construct cutting-edge outpost modules.
Rank 4
Outpost modules now cost 50% fewer resources to build. 

Tier 4

Aneutronic Fusion
Rank 1
Ship reactors produce 2 extra units of power.
Rank 2
Ship reactors produce 4 extra units of power.
Rank 3
Ship reactors produce 6 extra units of power.
Rank 4
Ship reactors produce 8 extra units of power.

Special Projects
Rank 1
You can research experimental projects at a Research Lab.
Rank 2
You can craft rare manufactured components at an Industrial Workbench.
Rank 3
You can craft exotic manufactured components at an Industrial Workbench.
Rank 4
You can craft unique manufactured components at an Industrial Workbench. Outpost extractors have a chance to produce additional resources.

Astrophysics
Rank 1
You can scan the moons of your current planet. You have a 10% chance to discover a trait when scanning.
Rank 2
You can scan any planet or moon in this system. You have a 20% chance to discover a trait when scanning.
Rank 3
You can scan any planet or moon within 16 Light Years. You have a 30% chance to discover a trait when scanning.
Rank 4
You can scan any planet or moon within 30 Light Years. You have a 50% chance to discover a trait when scanning.

TECH

Tier 1

Boost Pack Training
Rank 1
You can now utilize boost packs.
Rank 2
Using a boost pack expends 10% less fuel.
Rank 3
Boost pack fuel regenerates more quickly.
Rank 4
Doubles previous bonuses.

Ballistic Weapon Systems
Rank 1
Ballistic ship weapons have 15% increased damage.
Rank 2
Ballistic ship weapons have 30% increased damage and recharge 30% faster.
Rank 3
Ballistic ship weapons have 50% increased damage and recharge 50% faster.
Rank 4
Ballistic ship weapons do 50% more damage to individual systems.

Piloting
Rank 1
You can now utilize ship thrusters. 
Rank 2
Increased ship turning rate and maneuverability.
Rank 3
Unlock the ability to pilot Class B ships.
Rank 4
Unlock the ability to pilot Class C ships.

Security
Rank 1
You can attempt to hack Advanced locks, and 2 auto attempts can be banked.
Rank 2
You can attempt to hack Expert locks, and 3 auto attempts can be banked. Rings now turn blue when the pick can be slotted.
Rank 3
You can attempt to hack Master-level locks, and 4 auto attempts can be banked.
Rank 4
Expend a digipick to eliminate keys that aren't required to solve the puzzle. 5 auto attempts can be banked.

Payloads
Rank 1
Ship cargo holds have 20% more capacity.
Rank 2
Ship cargo holds have 40% more capacity.
Rank 3
Ship cargo holds have 60% more capacity.
Rank 4
Ship cargo holds have 100% more capacity.

Targeting Control Systems
Rank 1
Unlocks ship targeting functionality. Target-locked ships fire at you 25% slower. Take 25% less damage in targeting mode.
Rank 2
Time to lock onto enemy ships is reduced by 25%. Costs 25% less to use all weapons in targeting mode.
Rank 3
Time to lock onto enemy ships is reduced by 50%. Costs 50% less to use all weapons in targeting mode. You have a 25% increased chance of critically hitting a target-locked ship.
Rank 4
Time to lock onto enemy ships is reduced by 75%. Deal 25% increased system damage in targeting mode.

Tier 2

Energy Weapon Systems
Rank 1
Energy ship weapons have 20% increased damage and recharge 20% faster.
Rank 2
Energy ship weapons have 30% increased damage and recharge 30% faster.
Rank 3
Energy ship weapons have 40% increased damage and recharge 40% faster.
Rank 4
Energy ship weapons have 50% increased damage and recharge 50% faster.

Engine Systems
Rank 1
Your ship's top speed is increased by 30%. Turn speed is increased by 10%.
Rank 2
Ship boosts last 30% longer and the cooldown is 30% shorter.
Rank 3
Previous bonuses are doubled.
Rank 4
While boosting, all enemies disengage the player and can only reacquire them as a target after the player stops boosting.

Missile Weapon Systems
Rank 1
Ship missile weapons do 10% more damage, and have a 20% faster reload speed.
Rank 2
Ship missile weapons do 20% more damage, and have 20% increased range.
Rank 3
Ship missile weapons do 30% more damage, and have 20% increased travel speed.
Rank 4
Ship missile weapons do 50% more damage.

Astrodynamics
Rank 1
Increase grav jump range and decrease calculation time by 25%.
Rank 2
Reduce fuel cost of grav jumps by 25%. Decrease grav jump calculation time by 50%. 
Rank 3
Increase grav jump range and reduce fuel cost by 50%.
Rank 4
Increase grav jump range and reduce fuel cost and calculation time by 75%.

Shield Systems
Rank 1
Your ship has 15% increased shield capacity.
Rank 2
Your ship has 30% increased shield capacity. Your shields have a 2.5% chance to resist 100% of all damage received.
Rank 3
Your ship has 45% increased shield capacity.
Rank 4
Your ship has 60% increased shield capacity. Your shields have a 5% chance to resist 100% of all damage received.

Tier 3

Automated Weapon Systems
Rank 1
Automated ship weapons do 10% more damage.
Rank 2
Automated ship weapons do 20% more damage. Ship turret weapons recharge 25% faster.
Rank 3
Automated ship weapons do 35% more damage.
Rank 4
Automated ship weapons do 50% more damage. Ship turret weapons recharge 50% faster.

Starship Design
Rank 1
Allows the installation of improved ship modules.
Rank 2
Allows the installation of superior ship modules.
Rank 3
Allows the installation of cutting-edge ship modules.
Rank 4
Allows the installation of experimental ship modules.

EM Weapon Systems
Rank 1
EM ship weapons have 10% increased damage and cost 15% less to use in Targeting Mode.
Rank 2
EM ship weapons have 20% increased damage and recharge 30% faster.
Rank 3
EM ship weapons have 30% increased damage and cost 30% less to use in Targeting Mode.
Rank 4
EM ship weapons have 40% increased damage and a 10% chance of instantly disabling enemy engines.

Tier 4

Boost Assault Training
Rank 1
Nearby enemies take damage when you boost and have a 25% chance to catch on fire. Boosting costs 10% less fuel.
Rank 2
25% chance to knockdown nearby enemies when you boost. Enemies will catch on fire from twice as far and for double duration. Boosting costs 20% less fuel.
Rank 3
Aiming down sights while boosting will let you hover in place. Fuel is still expended until empty.
Rank 4
While hovering, time slows down and the world moves 70% slower around you.

Particle Beam Weapon Systems
Rank 1
Ship particle beam weapons do 10% more damage.
Rank 2
Ship particle beam weapons do 20% more damage. 10% critical hit chance with ship particle beam weapons.
Rank 3
Ship particle beam weapons do 30% more damage.
Rank 4
30% critical hit chance with ship particle beam weapons.

Starship Engineering
Rank 1
All ship systems repair 20% faster.
Rank 2
Ship systems have 20% increased damage mitigation.
Rank 3
All ship systems repair 40% faster.
Rank 4
Ship systems have 40% increased damage mitigation. 20% chance that repairing one block of a system will repair the entire system.