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