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