Here is the full list of all 16 Hentai vs. Evil trophies - there are 5 silver, 10 gold and 1 platinum.
Unlock all other trophies
Kill 150 orcs
Kill 250 zombies
Beat the City level
Collect 32 ammo boxes
Kill 66 reapers
Beat the Pirate Bay level
Collect 18 ammo boxes
Kill 50 orcs
Collect 6 ammo boxes
Kill 100 zombies
Kill 25 reapers
Kill 25 zombies
Kill 10 orcs
Beat the Small Town level
Kill 5 reapers