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Free FPS games you can play in your browser

The most played FPS games on Foundplay right now are Survive The Night, Undersphere and IRONSIGHT. All 26 here are free and play in your browser with no download, and 4 of them work on a phone.

26 games · Updated October 15, 2026 · Most played first

FPS games are first-person shooters: you see the world through your character's eyes and aim with the mouse. The games here run in a browser with no download and many are online, with team modes, deathmatch, ranked matches and zombie waves. Others are single-player missions or shooting ranges. They play best on a computer with a mouse and keyboard; click into the game to lock the mouse, and press Escape to get it back.

Foundplay lists 26 FPS games, every one an original game that its creator hosts on their own site, so Play takes you straight to them. After Survive The Night, Undersphere and IRONSIGHT, the most played are FRAGBYTE, StickFrag and xFPS. The newest ones are Hood Warfare and EAGLE7. Of these 26, 4 work on a phone and 13 are marked as multiplayer. New games come out on Foundplay at 6 AM and 6 PM Pacific, and any that fit this tag join this page. The list below is sorted by plays and changes as people play.

Questions

What are the most popular FPS games?
By plays on Foundplay: Survive The Night, Undersphere, IRONSIGHT, FRAGBYTE and StickFrag. The list on this page is sorted most played first.
Which FPS games work on phones?
4 of the 26 are marked as playable on a phone, including FRAGBYTE, Undead Siege and Tremulous. Each game's page says whether it works on a phone or needs a keyboard.
Are these games free?
Yes. Every game on Foundplay is free to play in a web browser, with nothing to download. Play opens the game on its creator's own site; some creators offer optional extras there.
Why does the mouse disappear in browser FPS games?
The game locks the pointer so you can turn freely. Press Escape to release it, and click the game again to go back in.