What is Impostor.io?
Impostor.io is a free .io game with fighting, arena and amongus elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Become the superior life form by defeating other players in Impostor.io!
How to play Impostor.io
- Press "Play now" on the game screen. Impostor.io loads inside the player; some games take up to 20 seconds and may show a short ad first.
- Control the character by moving the mouse cursor.
- The direction is indicated by the arrow hovering over the screen.
- Click LMB to attack and RMB to speed up.
- Running too often will drain your stamina, preventing you from leveling up.
- Sometimes it is necessary to avoid a confrontation with a stronger player.
- Your life consists of several segments – that’s the number of hits you can take.
- Use the full-screen button at the bottom right of the player for a bigger view, and press Esc to leave full screen.
Game details
| Category | .io |
|---|---|
| Tags | fighting, arena, amongus |
| Controls | Mouse, Arrow keys |
| Screen | Landscape (800 × 600) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GameDistribution |
| Added to Gameziko | 30 September 2026 |
Description from the developer
Become the superior life form by defeating other players in Impostor.io! This game is inspired by Among Us and features similar visuals and controls. The gameplay is completely different: no need to worry about sneaking and pretending. The curtains are down, it’s every man (or alien) for himself. Beat everyone up with various weapons and climb to the top of the leader boards. Collect energy cubes to level up and become stronger. Can you survive the battle and become the most powerful impostor in the universe?
Impostor.io: frequently asked questions
Is Impostor.io free to play?
Yes. Impostor.io is free to play on Gameziko, with no download and no account needed. Like most free web games, it is funded by ads, so it may show a short ad before or between rounds.
What are the controls in Impostor.io?
The developer's instructions for Impostor.io say: "Control the character by moving the mouse cursor. The direction is indicated by the arrow hovering over the screen. Click LMB to attack and RMB to speed up. Running too often will drain your stamina, preventing you from leveling up. Sometimes it is necessary to avoid a confrontation with a stronger…"
Can I play Impostor.io on a phone or tablet?
Impostor.io is an HTML5 game, so it opens in modern mobile browsers as well as on a computer. Its controls were designed mainly for a mouse, so a computer usually gives the smoothest experience.
What games are similar to Impostor.io?
If you like Impostor.io, try Impostor Royal Solo Kill, Amogus.io and Sumo.io. They are .io games with similar themes, and you can find more in the .io category on Gameziko.
Good to know
Impostor.io is made by an independent developer and delivered by GameDistribution, so Gameziko cannot change the game or recover lost progress. Any progress the game saves is kept in your browser on this device. If the game does not start, wait up to 20 seconds, allow ads for gameziko.com and try again, or report the game.