Here is the full list of all 13 Factotum 90 achievements.
Blow up 60 red barrels.
Study 30 organic samples.
Scan 50 terminals.
Blow up a bomb 100 times.
Use crystals to split an energy beam 60 times.
Drop a ballast container 100 times.
Change walker 1000 times.
Send the Space Squid back home unharmed.
Reset your walker 100 times.
Activate magical light bridges 60 times.
Talk about the weather 100 times.
Embrace the vortex 50 times.
Depress a red pressure plate 100 times.