Stormgate

Stormgate is a free-to-play, next-gen RTS from the team at Frost Giant Studios, including former developers of Warcraft III and StarCraft II. Command mechs to defend the Earth or invade it as one of two other invading alien factions. Explore an ever-evolving campaign storyline, group up for co-op missions, or compete in 1v1. Now in Early Access since August 13th.