Tribes: Ascend

Tribes: Ascend is a free-to-play multiplayer-only FPS that is part of the Tribes series. It is developed by Hi-Rez Studios and is currently available as a download for Windows, though Hi-Rez Studios haven't ruled out the possibility of an Xbox 360 or PlayStation 3 release in the future. Aspects from previous Tribes games such as jetpacks and skiing are featured in the game. The game was released on April 12, 2012.