Play with each character.
Watch each comic without skipping.
Unlock every level and defeat the final boss.
Revive any teammate 20 times.
Get 100% score with the trap.
Defeat the Subway Smasher.
Finish the first level.
Destroy all the expensive LCD televisions in the hotel.
Find all the collectibles hidden inside objects in each level.
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.
