Here is the full list of all 29 Serial Cleaner trophies - there are 6 bronze, 18 silver, 4 gold and 1 platinum.
Unlock all Trophies in Serial Cleaner!
Complete all movie-themed bonus contracts
Find all secret items
Unlock all costumes
Complete all story contracts
Clean 100% of blood in all story contracts
Get killed by a Shooter for the first time
Listen to the radio 15 times
Complete any night-time contract 20 times
Complete any daytime contract 20 times
Play all Challenge modes
Use a shortcut to escape an enemy and then get caught by an enemy at the other side
Read a newspaper 15 times
Talk to Mom 15 times
Watch TV 15 times
Dispose of 150 bodies
Check out any Challenge mode
Get at least four enemies to investigate a sound decoy
Make an enemy react to a missing item or body bag 100 times
Slide on blood for a total of 45 seconds in any single contract
Hide while in view of an enemy five times during any single contract.
Be pursued by at least three enemies simultaneously
Use Cleaner Vision for a total of at least 10 minutes
Play a contract wearing an unlockable costume
Clean 100% of blood in any contract
Be pursued by an enemy for five seconds
Escape capture five times in any single contract
Fail a contract five times during a single playthrough
Find your first secret item