Major Nelson has revealed that MS are opening up the multiplayer functions of selected Xbox Live Arcade games for one month.

Speaking through his blog, Major Nelson said "This month, Xbox Live kicks off the Friendship is Free program. Over the course of this month, multiplayer will be available for all Xbox Live members for eight Xbox Live Arcade games. The Xbox Live Arcade team will open up the multiplayer functionality for A Kingdom for Keflings, Aegis Wing, Bomberman Live, Hardwood Hearts, Hardwood Spades, UNO, Small Arms and Super Street Fighter II Turbo HD Remix". 

If you have a Silver Membership then what better time to try out some of the benefits of the Gold Service.