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