Oxy Arena Online is a free shooting game you can play instantly in your browser on KoiArcade, with no download and no sign-up. Controls: keyboard, mouse, touch. Works on: computers and Chromebooks (best on desktop); 2 players on one device.
About Oxy Arena
Looking for a quick shooting game? Oxy Arena loads in your browser. It is tagged blocky, fps and multiplayer. It plays in a landscape window and is controlled with keyboard, mouse or touch. There is a mode for two players on the same device. It is not tagged as mobile-friendly, but its controls mention tapping, so it may work on a phone too.
Oxy Arena was added to KoiArcade on 2026-10-30 and is one of 31 free shooting games you can play online here. If you like it, Fragbyte and Pixel Protocol are similar.
From the developer
Oxy Arena is a fast online FPS in a blocky 3D world. Press Play to jump into a match with players from around the world, or create a private room and invite friends with a code. Modes: Deathmatch, Team Deathmatch (4 v 4), and Backrooms: Zombies, a solo survival mode with five waves of zombies in the endless yellow rooms.
Practice against bots or on the target range. Maps: Downtown (a city with walk-in shops), Ruins, Orbital (a space station), Dungeon, Block Fort and the Backrooms. Guns: AK, SMG, shotgun, sniper and pistol. Chain headshots and multi-kills, level up, unlock gun skins and complete daily challenges.
Plays on computers, phones
How to play
- Computer WASD move mouse look left click shoot right click aim Space jump Shift sprint C crouch R reload 1-5 or mouse wheel switch gun Q last gun M map Tab scores Esc pause Phone and tablet thumbstick to move drag to look on-screen button.
Tips
- Plan two moves ahead before tapping. Tile trays fill up faster than you expect.
- Keep moving and fight at the edge of a group instead of the middle.
- Reload during quiet moments rather than mid-fight.
Game info
| Category | Shooting |
|---|---|
| Tags | 3D, Blocky, Fps, Multiplayer, PvP, Shooter |
| Controls | Keyboard, Mouse, Touch |
| Players | 1–2 (same device) · more 2 player games |
| Screen | Landscape (1280×720) |
| Mobile | Best on desktop |
| Made by | Third-party developer, distributed by GameMonetize |
| Added | 2026-10-30 |
| Age guidance | Content note. Contains fighting, combat or shooting, based on the game's description and tags. Parents of young children may want to try it first. How we judge this |
| Last checked | 2026-11-04: game loads, thumbnail OK, no off-site redirects, all game files found (what we check) |











