Here is the full list of all 10 Hentai vs Evil achievements.
Cause 30000 damage in one game
Stay alive 5 minutes in "Survive" game mode
Find parrot in the Pirate bay level
Kill 250 zombies
Find soda in the Town level
Kill 50 reapers
Destroy 30 bonus boxes
Kill 50 evil pigs
Save a girl from the cage
Kill 100 enemies in one game