Full Game Walkthrough...

Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Alone in the Dark	Beneath the arthropod.
Altitude is Attitude	Exploration off the ground.
Backtracking	Ride the crates.
Climbing the Cog	Don't pull the lever just because you can.
Ding!	Running off will get you nowhere.
Going Up	Don't let gravity keep you down.
Guided by Sparks	The crate is key.
It's Stuck	Prepare a dry landing.
No Point in Dying	Complete the game in one sitting with five or less deaths.
Under Ground	Vertical passageway.
Urban Exploration	Involves heavy lifting.
Where Credit is Due	Perseverance has its own reward.
Wrong Way	That's not right.