Here is the full list of all 11 Orbo's Odyssey achievements.
Return to nothing at the Monolith.
Discover the dev room.
Enjoy Chef Jett's Delicious Special...
Complete every time trial, beating the developer ranks.
Complete every time trial, beating the green ranks.
Knock over every dog in Shlarp City...
Beat the game...?
Defeat S3R.gen...
Finish engineering the prosthetic arm.
Collect All Obol Fragments