Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Archaeologist	Unknown.
Aren't You Tired?	Jump 500 times.
Cool as Ice	Complete the Ice Age.
Corporate Espionage	Unknown.
Curse You, Gravity!	Fall into the sky.
Defrosted	Unknown.
Dino-mite	Complete the Jurassic Age.
Dungeoneer	Unknown.
Future-Proof	Complete the Future Age.
Holy Night	Complete the Medieval Age.
Keymaster	Unlock 20 portals.
Let's do the Time Warp	Go through 50 warp holes.
Live. Die. Repeat.	Die 100 times.
Lurking in the Dark	Unknown.
Master Historian	Unknown.
Phew	Finish a level with less than 0.1 seconds remaining.
Pirate King	Unknown.
Present and Accounted For	Complete the Modern Age.
Pyramid Schemer	Unknown.
Quarter to Victory	Finish the Game.
Sands of Time	Complete the Ancient Egyptian Age.
Serf's Up	Complete the Golden Pirate Age.
Sharing is Caring	Create and upload a level.
Starry Starry Night	Earn all attainable stars.
Starstruck	Earn 10 stars.
That was Pointless	Fall to your death with a shield equipped.
Walk of Fame	Earn half the attainable amount of stars.