Complete challenge to unlock dual wielding
Complete challenge to unlock fast run mode
Complete challenge to unlock balloon heads
Complete challenge to unlock Get Tiny Then Explode mode
Complete challenge to unlock slow motion
Complete challenge to unlock bouncy grenades
Complete challenge to unlock bouncing bullets
Complete challenge to unlock unstoppable arrows
Complete challenge to unlock the foam hand gun
Complete challenge to unlock lunatic AI
Complete challenge to unlock no radar mode
Complete challenge to unlock extended magazines
Complete challenge to unlock infinite ammo
Complete challenge to unlock the map Lunar Bay 42
Complete challenge to unlock the alien character
Complete challenge to unlock one-hit-kills mode