Here is the full list of all 17 RETSNOM trophies - there are 13 bronze and 4 silver.
Clear world1
Clear world2
Clear world3
Clear world4
Clear world5
Clear world1 with all rabbit dolls
Clear world2 with all rabbit dolls
Clear world3 with all rabbit dolls
Clear world4 with all rabbit dolls
Clear world5 with all rabbit dolls
Clear the 51st level
Complete the game
Die 100 times
Kill 100 zombies
Kill the zombie in level 0
Collect 74 rabbit dolls
Clear 3 hidden stages