Here is the full list of all 11 StandPoint achievements.
Completed Denial 5
Completed Anger 5
Completed Bargaining 5
Completed Depression 5
Completed the game
Completed the game with all Secrets
Found something you shouldn't have
Complete Denial 5 in less than 45 seconds
Complete Anger 5 without dying
Bring an extra offering to the end of Bargaining 5
Find both secrets of Depression 5