Outside Of Game:
F1 = 500 trophies (use outside of store, if its not working, use it 2 or 3 times, save, then close and re open it)
F2 = Unlocks all gamemodes
F3 = 2500 Monkey Money (use outside of store, if its not working, use it 2 or 3 times, save, then close and re open it)
F4 = Toggle Free upgrades/Towers
LeftShift + F1 = 1 knowledge point (use outside of store, if its not working, use it 2 or 3 times, save, then close and re open it)
LeftShift + F2 = 1 random insta tower
LeftShift + F3 = 5 to 15 random insta towers
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Inside Of Game:
F5 = 5000 Cash
F6 = 500 health
F7 = Kill all ballons (no pop cash atm)
F8 = unlock all upgrades and towers temporarily (untested)
F9 = Resets Cooldowns
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F10 = Help Menu 1 (Outside of game)
F11 = Help Menu 2 (Inside of Game)
F12 = Help Menu 3 (Left Shift Menu)