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