Here is the full list of all 12 Ghostbusters: Sanctum of Slime achievements worth 200 gamerscore.
Revive any teammate 20 times.
Destroy all the expensive LCD televisions in the hotel.
Finish the first level.
Get 100% score with the trap.
Defeat the Subway Smasher.
Play with each character.
Unlock every level and defeat the final boss.
Find all the hidden collectibles.
Watch each comic without skipping.
Kill a Slime Abomination with the wrong weapon.
Finish an online level with the help of 3 other players.
Finish a chase level with at least 75% of the Ecto-shield up.