Here is the full list of all 28 Vexius achievements.
The base game contains 12 achievements, and there is 1 DLC pack containing 16 achievements.
Teleport 500 times.
Toggle 500 doors.
Destroy 500 boxes.
Toggle holocubes 500 times.
Complete level 50.
Achieve immortal status on all normal levels.
Complete level 25.
Ignore all advice and run into a saw.
Complete level 1.
Upload a custom level to the workshop.
Create and save a custom level.
Download a level from the workshop and get wrecked by a trap.