Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Bounty Hunter (49)	Collect every gem in world 3.
Die Young (16)	Fall into the first pit in the game (Secret)
Endurance (20)	Keep trying after 5 deaths in the same level (Secret)
Forcefielder (49)	Beat every level in world 3.
Gem Fanatic (35)	Collect every gem in world 2.
Multitasker (10)	Beat every level in world 4.
Repeter (12)	Beat every level in world 1.
Run, You Clever Boy (28)	Beat level 2-13 the easy way (Secret)
Secret Finder (16)	Collect every gem in world 1.
Slowpoke (12)	Take more than three times too long on any level (Secret)
Speed Demon (35)	Beat every level in world 2 in the time limit.
Speed Freak (19)	Beat every level in world 1 in the time limit.
Speed Master (10)	Beat every level in world 3 in the time limit.
Speedy Gonzales (10)	Beat every level in world 4 in the time limit.
Super Sleuth (10)	Collect every gem in world 4.
Switcher (28)	Beat every level in world 2.
Too Clever For My Shirt (28)	Beat level 3-7 the easy way (Secret)