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