Here is the full list of all 29 Magnetic: Cage Closed achievements.
Find all 9 endings.
Made a final choice in "Ending: Vengeance or Freedom".
Made a final choice in "Ending: Trust".
Play through all tiers and pick an ending in under 2 hours & 30 minutes.
Made a final choice in "Ending: Are We Done Playing Games?".
Complete “Columnial” without being burnt by any flamethrowers.
Pick up the Magnet Gun in Tier 4.
Pick a path in "Choice Cube: A Matter of Trust”.
Complete “3D Puzzle” in less than 60 seconds.
Complete “Trick Jump” in less than 8 seconds.
Accepted the Governor’s pardon.
Chose a path in "Choice Cube: Three Paths".
Fly all the way to the lever without touching the ground in “I’m Flying”.
Complete “Seesaws” in less than 20 seconds.
Complete “Hard WMMPs” in less than 10 seconds, without touching the floor.
Found the Magnet Gun in Tier 3.
Went to the public bathroom.
Left confinement without proper escort.
Granted XE-47629 the opportunity to avoid certain death.
Saved XE-47629 from the horrors of the trials.
Trigger a spike trap with your body... and survive.
Acquired a stable version of the D-28 prototype.
Chose the correct number of boxes in "Choice Cube: Remember the Boxes".
Endure the pains of electricity, poisonous gas and fire in a single level, and live to tell the tale!
Complete “Target Practice” without hitting both buttons.
Hit both buttons in “The Pit” from the topmost platform.
Take the high road in “Crouch ‘n Climb”
Picked up the D-27 Magnetic Propulsion Device.
Play through all tiers and pick an ending in under 1 hour & 15 minutes.