For now, this list is incomplete! Sorry for the trouble!

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OTHER CHALLENGES
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99 Bottles of Beer on the Wall
Description: Drink alcohol
Threshold: 99
Reward: 250 XP
Recurring: Yes

Collect Star Bottlecaps
Description: Collect star bottlecaps by drinking sarsparilla
Threshold: 100
Reward: 1000 XP
Recurring: No

Explore Big MT
Description: Discover all Big MT locations
Threshold: (PENDING)
Reward: (PENDING)
Recurring: No

Explore the Divide
Description: Discover all Divide locations
Threshold: (PENDING)
Reward: (PENDING)
Recurring: No

Explore the Mojave
Description: Discover all Mojave Wasteland locations
Threshold: 187
Reward: 1000 XP
Recurring: No

Explore Sierra Madre
Description: Discover all Sierra Madre locations
Threshold: (PENDING)
Reward: (PENDING)
Recurring: No

Explore Zion Canyon
Description: Discover all Zion Canyon locations
Threshold: (PENDING)
Reward: (PENDING)
Recurring: No

Have You No Decency
Description: Tell lies
Threshold: 5
Reward: 150 XP
Recurring: Yes

Heart of the Cards
Description: Challenge each Caravan player once
Threshold: 15
Reward: 250 XP
Recurring: No

Heavy Lies the Crown
Description: Sit on Caesar's throne
Threshold: 1
Reward: 250 XP
Recurring: No

Key to the City
Description: Become Idolized by a community
Threshold: 1
Reward: 250 XP
Recurring: Yes

Know When to Hold 'Em
Description: Win at Caravan
Threshold: 10
Reward: 150 XP
Recurring: Yes

Know When to Fold 'Em
Description: Lose at Caravan
Threshold: 10
Reward: 150 XP
Recurring: Yes

New Kid
Description: Reach Level 10
Threshold: 1
Reward: "New Kid" achievement
Recurring: No

Pointless or Priceless
Description: Collect all landmark snow globes
Threshold: 11
Reward: 1000 XP
Recurring: No

Screwy, Ain't It?
Description: Discover all major Wild Wasteland encounters
Threshold: 20
Reward: 1000 XP
Recurring: No

The Boss
Description: Reach Level 30
Threshold: 1
Reward: "The Boss" achievement
Recurring: No

Up and Comer
Description: Reach Level 20
Threshold: 1
Reward: "Up and Comer" achievement
Recurring: No

Up to the Challenge
Description: Complete challenges
Threshold: 25
Reward: 500 XP
Recurring: Yes

Walker of the Wastes
Description: Discover locations
Threshold: 35
Reward: 250 XP
Recurring: Yes

Wanted Dead or Alive
Description: Become Vilified by a community
Threshold: 1
Reward: 250 XP
Recurring: Yes