Black Sea Studios launched a demo of their new game, WorldShift. This demo contains two maps and you can play them in 1-on-1 or co-op mode.
WorldShift is a next-gen, cyber-fantasy RTS and the setting is some dark version of our planet's future. You can choose one of three races, take on dangerous missions and quests, use thousands of different items, collect powerful relics and more.
Full version launch date is the 8th of May 2008. This demo is 660MB in size and you can download it here or here.