Split/Second Cheats - Xbox 360

Unlock Cars
At the main menu, choose "Options" and then press the following buttons:

[X], [Down], [X], [Down], [X], [Down] - Disney XDX Car.
[Left], [X], [Left], [X], [Left], [X], [Left], [X], [Left], [X], [Left], [X], [Right] - Ryback Coyote AMX car.
[X], [Up], [X], [Up], [X], [Up], [X], [Up] - Computer Spelie Hanzo FX350 CX car.

Achievements
Complete each achievement to get the allotted gamerscore:

Beat The Team (25) - Beat 1 minute 7 seconds on Construction Site in Detonator.
Beat The Team II: The Revenge (25) - Beat 1 minute 18 seconds on Power Plant in Detonator.
Clear Skies (10) - Win your first Season Air Revenge event.
Eliminator (10) - Win your first Elimination event.
Giant Killer (25) - Beat an opponent with an online form of 10 or better.
Going The Distance (30) - Drive a total of 1,081 miles.
Great Explorer (30) - Trigger a total of 50 route changer Power Plays.
Heavyweight (25) - Wreck 1000 rivals with Power Plays.
High Five (25) - Spend a total of five minutes airborne.
I Have The Power (5) - Trigger your first Level 2 Power Play.
In Good Form (10) - Get an online form of 75 or better.
Keep On Truckin' (10) - Win your first Season Survival event.
Leading The Way (50) - Win every Bonus Round.
Made The Podium (40) - Complete the Season Championship.
Moving Ahead (25) - Win 6 Bonus Rounds.
On The Run (10) - Win your first Season Air Strike event.
Out Of Reach (25) - Get an online form of 25 or better.
Perfection (130) - Complete every event and Season Championship race in first place.
Power Up (5) - Trigger your first Level 1 Power Play.
Qualifier (10) - Qualify for the first round of the Season Championship.
Race Winner (10) - Win your first Race event.
Right On Track (10) - Win your first Bonus Round.
Season Champion (80) - Complete the Season Championship in first place.
Start Me Up (10) - Win an online event.
Survivor (25) - Complete round six of the Season Championship.
The Time Is Right (10) - Win your first Season Detonator event.
Winner (20) - Win a round of the Season Championship.
World Beater (50) - Get an online form of 1.