http://www.gamesradar.com/repulse/articles/ It’s a good day for some free sci-fi shooting! Today, we’re happy to be able to bring you into the closed beta for Aeria Games’ Repulse. Grab yourself a key and start playing while our supplies last…http://www.gamesradar.com/repulse-closed-beta-key-giveaway/Jan. 9, 2012, 5:39 p.m.