K3-of-Duty
by OpenGame · built with an AI coding agent · plays free at opengame.app
Free, no install, runs in the browser. Hosted by its creator at opengame.app — the link opens their site, not a copy on ours.
What K3-of-Duty is
K3-of-Duty is a fps game by OpenGame. Drop into the city, lock the mouse, and fight through responsive WebGL combat — a 2.3 MB build, no install. It is a 3.7 MB download that loaded in 2.1s when we tested it.
K3-of-Duty: measured
We loaded K3-of-Duty in a real headless Chrome, played it, and recorded what it did. Blank cells are facts we could not measure, not zeros.
| Download | 3.7 MB | Total bytes fetched on first load. |
|---|---|---|
| Loads in | 2.1s | Time to the load event on a desktop connection. |
| Frame pacing | 83 ms (~12 fps) | Median frame time while playing; 95th percentile 100 ms. |
| Renderer | 2D canvas / DOM | What the game draws with. |
| Requests | 93 | Files fetched — a low count means a self-contained build. |
| On a phone | Fits a 390px screen | Measured in a 390×844 viewport. |
Method and the full 47-game comparison: how we measured these games.
Controls
Read from the game’s own page. Check in-game for the full scheme.
K3-of-Duty FAQ
Is K3-of-Duty free to play?
Yes. K3-of-Duty is free and runs in your browser at opengame.app — no download, no install and no account. It was made by OpenGame.
What kind of game is K3-of-Duty?
K3-of-Duty is a fps game. Drop into the city, lock the mouse, and fight through responsive WebGL combat — a 2.3 MB build, no install.
Does K3-of-Duty work on mobile?
It fits a phone screen — we measured no horizontal overflow in a 390×844 viewport. We did not detect touch controls, so a keyboard and mouse may still be needed.
How big is K3-of-Duty?
3.7 MB on first load, across 93 requests, loading in about 2.1 seconds.
Who made K3-of-Duty?
OpenGame, using an AI coding agent. It is one of 53 games built this way that we catalogue and measure.
More AI-built first-person and wave shooters
Der Koloss
Four-player co-op zombie survival with voice chat, Pack-a-Punch, wonder weapons, and relentless waves.
Pastel Nuketown
A free-for-all arena shooter in pastel. Plays on a phone if you turn it sideways.
Dungeon Crawler Carnage
A floor-by-floor dungeon shooter staged as a televised bloodsport. Nine billion viewers are watching.
Dust Corridor
Two fireteams, one street, no respawn timer worth waiting out. Team deathmatch in a market district at midday.
Sands of the Restless
The dead are getting up. Enter the necropolis and hold it, wave after wave, with a proper zombies economy.Operation Blackout
A classified night mission through the Eastern District. Go loud after dark.Credit
K3-of-Duty was made by OpenGame and is hosted on their own site at opengame.app. EveryGameMade does not host or claim this game — this page is a catalogue entry, the screenshot is a frame we captured of it running, and the specs are our own measurements. Creators: get in touch to correct or remove an entry.