Two free 360 games hit Xbox Live

Achievements and unlockables included...

Microsoft is giving away two free games over Xbox Live - and they both include Achievements and unlockable gamer pics.

The two Arcade titles, Crash Course and Harm's Way, have both been born from Microsoft's promotional competition deal with Dorito's.

According to OXM, the tie-up sees Xbox fans "submit game ideas, with the winners having their games made".

Doritos Crash Course is a multiplayer obstacle course race, in which you guide your Avatar through a series of challenges in a style not unlike Trials HD - complete with leaderboards. Harm's Way is a multiplayer driving game. Both titles offer the usual 200 GamerScore.

Head over to to queue up your free downloads for both Crash Course and Harm's Way now.