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