The co-op friendly, independently developed, tower defense title Sol Survivor received a patch last night that added, amongst other things, a new co-op map for players. Also included in this patch is a new version of the Trial Game that’s available to download from the XBox LIVE Indie Marketplace free of charge. The Trial Game now includes an in-depth tutorial and a Challenge level that allows players to test their tower defense chops on a mid-campaign map set to medium difficulty. A full list of all fixes from the patch can be found on the Sol Survior forums. Be sure to tune into Co-Optimus next week for our review of the game!