Though it seems like we're getting a glimpse of a new RTS title every other day, there isn't many you can actively try for free. War Zone: Middle East, however, is one that you can.
Sitting on a rather quiet Steam Greenlight page is Arian Studio's take on a genre their team banded together to share their adoration of some time back.
Looking to release on as a fully-fledged Steam Early Access title by around May, there isn't much to understand unless you're playing through the Early Alpha build for yourself. The most interesting part right now likely comes from the fact that's in active development for the three major computer platforms; that's PC, Mac and Linux all having a playable alpha build at the same time.
More questionable, however, would be the game's system requirements. While hopefully just a placeholder while optimizations take a backseat during key scenario development, the game asks for some rather high GPU requirements. While the asking amount of 4GB of video memory might not sound too far off the mark, it given example of a GTX 970/1070 seems unwarranted given the available footage. Though that's merely for the maximum! A decent R7 or mid-range GTX card from at least the 500 series should do just fine.
System requirements aside, if you're willing to be summoned to fight in the Middle East to lap up the last reserves of its oil under pressure from your country's failing economy, pick from one of the game's 3 factions and have at it. The full game hopes to include a lengthy campaign mode and up-to 8 multiplayer modes.