Here is the full list of all 10 Sideway: New York trophies - there are 7 bronze, 1 silver and 2 gold.
Collect all the Tags in the game
Complete a level in co-op
Complete level without killing anyone
Unlock all the paint powers and upgrades
Complete the game
Defeat Bomber & Lump
Complete a non-boss level without dying
Defeat Slink
Defeat Big Deal
Complete the first mission