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