The The Mystery Of The Mooil Rig Add-on for Sunset Overdrive has 9 achievements worth 225 gamerscore.
Survive Chaos Squad in the Mooil Rig with at least 1700 Chaos.
Anybody can be a movie producer, because nobody knows what they do.
Defeat the DL-sea monster.
Build the "Feel the Burn" weapon for a guy who is stir-crazy... or just crazy.
Protect the boat from bombs, mortars, and OD'd.
Light fires big enough to see from space.
Smoking causes lung cancer, heart disease, and instant death.
Arrive at the Mooil Rig.
Find Bryllcream... again.