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