Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

HERO (10 points): Revive any teammate 20 times.
SPEED DEMON (15 points): Get 100% score with the trap.
STORY TELLER (20 points): Watch each comic without skipping.
ROOKIES (10 points): Finish the first level.
BUSTIN' MAKES ME FEEL GOOD (10 points): Unlock every level and defeat the final boss.
NICE THINKING, RAY (10 points): Find all the hidden collectibles.
FULL HOUSE (20 points): Finish an online level with the help of 3 other players.
RUSH HOUR REVENGE (20 points): Defeat the Subway Smasher.
DON'T TOUCH THE CAR (40 points): Finish a chase level with at least 75% of the Ecto-shield up.
TEAM OF FOUR (15 points): Play with each character.
ROCKSTAR (10 points): Destroy all the expensive LCD televisions in the hotel.
COLORBLIND (20 points): Kill a Slime Abomination with the wrong weapon.