The defense game Spoids, which is ranked on the top 5% of all rated games on the Xbox Live Indie Arcade, is now up on Steam Greenlight. If Spoids receives enough positive votes, it will be placed onto the Steam market for sale. If you haven't played Spoids for yourself, try the demo first which lets you play the first two missions of the game.
If you like the game, remember to give it a thumbs up on Steam Greenlight!