Trophies unlocked by testing;57% ( no info on which trophy ) :

Save Slot 1: If I remember correctly, the other two zombie kill trophies pop when loading save slot 1. Some other trophies also pop while on this slot.

Save Slot 2: Zombie kill trophies (54k & 72k) will pop on middle slot loaded (Slot 2, in the park) and killing 1 zombie. Other trophies will pop while on that slot. Just wait and they will eventually stop.

Save Slot 3: Many trophies can be gained on this slot.
find one examinable poster (they tell you to press O next to them to examine)[google to find if needed].
To get the food trophies, eat any one food. For drinks, mix a drink, and then drink it.
For some of the "Kill zombie with all X items" items are in inventory ie Machete for "Melee" kills. For ranged weapons, go find a golf club and hit a zombie. etc.

http://www.mediafire.com/?jthbgbbtulrsv9d

Credit to
Code:
Nextgenupdate.com


+Rep if i helped and +rep and credit to you if you help me change the thread in any way of telling what more pops for i can edit this post.