Here is the full list of all 18 Attractio achievements.
Play 15 hours.
Complete all challenge levels in at least bronze ranking
Complete all challenge levels in at least silver ranking
Complete all challenge levels with a gold ranking.
Complete reactor level without dying once
Complete all Attractio levels.
Complete Attractio
Complete Bridge level without using any checkpoint.
Complete co-op levels
Find all e-notes.
Kill the other contestant in the orange levels.
Shoot the flying camera.
Complete tutorials
Change your gravity 200 times
Die 50 times by falling.
Move at high speed above a box.
Die 50 times.
Destroy a box with the door and acid