Legions: Overdrive is described as 'First-person shooter originally released by GarageGames for their InstantAction web platform in 2008. Legions features many elements from the Tribes series, including jetpacks and skiing' and is a first-person shooter in the games category. There are four games similar to Legions: Overdrive for a variety of platforms, including Windows, Steam, Playstation, Xbox and Linux apps. The best Legions: Overdrive alternative is Titanfall. It's not free, so if you're looking for a free alternative, you could try Tribes or Midair.