Gears of War: Redux is the fan-built overhaul that I always wanted from Microsoft — Horde Mode, new maps, and Xbox 360-style achievements included (opens in new tab)

Gears of War: Redux is a community-built overhaul of the original PC version of Gears of War, adding Horde Mode, new maps, Xbox 360-style achievements, improved AI, modern hardware support, and a range of quality-of-life enhancements ahead of its June 17 release.