Here is the full list of all 12 Ghostbusters: Sanctum of Slime trophies - there are 7 bronze, 4 silver and 1 gold.
Finish the first level.
Unlock every level and defeat the final boss.
Find all the collectibles hidden inside objects in each level.
Revive any teammate 20 times.
Get 100% score with the trap.
Watch each comic without skipping.
Play with each character.
Destroy all the expensive LCD televisions in the hotel.
Kill a Slime Abomination with the wrong weapon.
Finish an online level with the help of 3 other players.
Defeat the Subway Smasher.
Finish a chase level with at least 75% of the Ecto-shield up.