Here is the full list of all 17 Oh My Godheads achievements.
Unlock all other achievements.
Win 500 points between all game modes.
Play 100 trials.
Kill 100 rivals with the jump attack.
Die 500 times from pie explosions.
Play a match longer than 10 minutes.
Win alone with a perfect score against 3 CPU enemies.
Deflect 10 pies.
Win a match that lasts less than 5 seconds.
Get a gold emblem in 20 trials.
Complete 20 trials.
Kill 10 enemies with Zeus.
Throw 99 explosive pies.
Kill 4 rivals in 5 seconds.
Get a gold emblem in any of the trials.
Create 4 user profiles.
Check each page of the stats screen.