Here is the full list of all 51 Dead Rising 2: Off The Record trophies - there are 44 bronze, 3 silver, 3 gold and 1 platinum.
You have acquired all the trophies in Dead Rising 2: Off the Record
Kill 100,000 zombies.
Kill 12,345 zombies.
Get a Gold medal on all single-player challenges.
Get at least a Bronze medal on all single-player challenges.
Get at least a Bronze medal on 10 different single-player challenges.
Get at least a Bronze medal on all co-op challenges.
Get a Gold medal on all co-op challenges.
Get at least a Bronze medal on 10 different co-op challenges.
Get over 2,000 PP from a single zombie kill.
Get a medal on a challenge in Sandbox Mode.
Photograph 75 PP stickers.
Photograph 25 PP stickers.
Have Snowflake attack and damage a psychopath.
Have Denyce attack and damage Sgt. Boykin.
Don't consume any meat, dairy or alcohol until the military arrives.
Collect 50 combo cards.
Unlock all skill moves.
Get a survivor drunk.
Take a photo of a survivor in a very dramatic situation.
Save a damsel in distress for the third and final time.
Defeat the mastermind of the Fortune City incident.
Destroy a "harvester."
Save the damsel in distress a second time.
Kill 1337 zombies.
Rescue a damsel in distress from the Twin Terrors.
Avert a mutiny.
Defeat 5 psychopaths in Co-op.
Collect 20 combo cards.
Visit 10 different maintenance rooms.
Unlock the secret shortcut.
Use the amusement park rides to kill 10 zombies at once.
Get back in the game by gaining lots of PP from pictures.
Take a picture with elements of horror, brutality, outtake and erotica in a single shot.
Take an extremely erotic picture.
Play a carney game and win.
Defeat the motorcycle-riding psychopath.
Get 8 survivors into a vehicle.
Dress up completely in women's clothing.
Fill your camera's memory.
Have a zombie slip in a puddle of vomit.
Use the Snapshot skill move on a zombie.
Build one of the combo weapons new to Dead Rising 2: Off the Record.
Take a high PP value picture.
Use the Jump Kick to knock down 100 zombies.
Take a dose of Zombrex.
Restore power to the Yucatan Casino.
Take a picture of a psychopath.
Kill 69 zombies.
Take a picture of your co-op partner during Co-op play.
Photograph a PP sticker.