Titanfall is described as 'Crafted by one of the co-creators of Call of Duty and other key developers behind the Call of Duty franchise, Titanfall is a multiplayer first-person shooter video game'. There are five games similar to Titanfall for a variety of platforms, including Windows, Linux, Mac, Origin and Steam. The best alternative is Apex Legends, which is free. Other Titanfall like games are Midair (Freemium), Tribes (Freemium), Legions: Overdrive (Free) and Jetball (Paid).
Midair is a fast-paced jetpack shooter set in a breathtaking new sci-fi universe. Use movement to your advantage, outwit your enemy from every angle, build defenses, and fully customize the way you play. TRUE FREEDOM
Tribes is a series of five science fiction first-person shooter computer games that marketed between 1998 and 2012. The game plot is set in the far future (2471 - 3940). Represent entire series of Tribes games.
Legions: Overdrive is a 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.
Jetball is jetpack soccer. An online multiplayer jetpack sport game. A true FPSZ (Z for Z-Axis) where your movement is aided by a powerful jetpack and impulse weapons. Play online with friends, solo vs bots, cooperative, competitive or casual.