FPS

Undersphere

by · built with an AI coding agent · plays free at playundersphere.com

Undersphere — gameplay screenshot showing fps action
Undersphere running in a browser — frame captured by our harness on 2026-10-15.
▶ Play Undersphere

Free, no install, runs in the browser. Hosted by its creator at playundersphere.com — the link opens their site, not a copy on ours.

What Undersphere is

Undersphere is a fps game by None. Multiplayer FPS fought on the inside of a spherical world with shifting gravity. Vibe Jam 2026 Unique Concept award. Built with Three.js. It is a 20.6 MB download that loaded in 7.0s when we tested it and renders with WebGL.

Undersphere: measured

We loaded Undersphere in a real headless Chrome, played it, and recorded what it did. Blank cells are facts we could not measure, not zeros.

Download20.6 MBTotal bytes fetched on first load.
Loads in7.0sTime to the load event on a desktop connection.
RendererANGLE (NVIDIA, NVIDIA GeForce RTX 4070 Laptop GPU (0x00002860) Direct3D11 vs_5_0 ps_5_0, DWhat the game draws with.
Requests65Files fetched — a low count means a self-contained build.
On a phoneFits a 390px screenMeasured in a 390×844 viewport.
Touch controlsDetectedThe page exposes touch input.

Method and the full comparison: how we measured these games · what games like this cost to build.

Undersphere FAQ

Is Undersphere free to play?

Yes. Undersphere is free and runs in your browser at playundersphere.com — no download, no install and no account. It was made by None.

What kind of game is Undersphere?

Undersphere is a fps game. Multiplayer FPS fought on the inside of a spherical world with shifting gravity. Vibe Jam 2026 Unique Concept award. Built with Three.js.

Does Undersphere work on mobile?

It fits a phone screen — we measured no horizontal overflow in a 390×844 viewport. The page also exposes touch controls.

How big is Undersphere?

20.6 MB on first load, across 65 requests, loading in about 7.0 seconds.

Who made Undersphere?

None, using an AI coding agent. It is one of 393 games built this way that we catalogue and measure.

Credit

Undersphere was made by and is hosted on their own site at playundersphere.com. 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.