Complete one of the following achievements to collect their Xbox Live Gamerscore points.

Achievement	How to unlock
Dumbstruck (25 GP)	Complete the 'Lightning Rod' challenge on 'Static Discharge'.
Level Up (50 GP)	Reach floor 10 on 'The Tower'.
Rhetoric & Romance (100 GP)	Go on all 5 dates with SynDI on After the Incident.
The End? (50 GP)	Pass all tracks on After the Incident.
Underdog (25 GP)	Beat a score of 40,000 on 'Final Frontier' whilst riding the Roach with the Frontier BodyKit.