CyberCourier

Made for MixJam 11. The themes I got were:

Singleplayer

Cyberspace

Transport

Use W and S to accelerate/decelerate, and A and D to turn. Deliver as many e-mails as you can while trying to keep your rating high - if it gets too low, you'll be fired. 

(Apologies for lack of sound, it was pretty rushed at the end.)

IMPORTANT: if playing with WebGL, go fullscreen for the proper experience.