Want to get in on the Steam version of Monday Night Combat before its first official "Monday Night" -- specifically, Monday, January 17, the release date? If you pre-purchase the arena shooter on Steam now, you can play it on Steam now: the beta is now live, and open to anyone who buys it before release.

Remember, when you play a beta, you're not just having fun: you also bear a Sacred Duty to help make the game better. Anyone who played the XBLA version at launch would tell you to be really thorough with your testing.

This article was originally published on Joystiq.

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