Shooter

Space Defenders

by @jasonleowsg · built with an AI coding agent · plays free at jasonleow.com

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

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

What Space Defenders is

Space Defenders is a shooter game by @jasonleowsg. Space Invaders-style shooter generated from a single prompt. Built with Claude 3.7 Sonnet · HTML5 Canvas. It is a 1.2 MB download that loaded in 3.2s when we tested it and renders with WebGL.

Space Defenders: measured

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

Download1.2 MBTotal bytes fetched on first load.
Loads in3.2sTime 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.
Requests3Files fetched — a low count means a self-contained build.
On a phoneOverflows by 207pxMeasured in a 390×844 viewport.

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

Space Defenders FAQ

Is Space Defenders free to play?

Yes. Space Defenders is free and runs in your browser at jasonleow.com — no download, no install and no account. It was made by @jasonleowsg.

What kind of game is Space Defenders?

Space Defenders is a shooter game. Space Invaders-style shooter generated from a single prompt. Built with Claude 3.7 Sonnet · HTML5 Canvas.

Does Space Defenders work on mobile?

Not comfortably. In a 390×844 phone viewport the layout overflows by 207px, so parts of the game sit off-screen.

How big is Space Defenders?

1.2 MB on first load, across 3 requests, loading in about 3.2 seconds.

Who made Space Defenders?

@jasonleowsg, using an AI coding agent. It is one of 393 games built this way that we catalogue and measure.

Credit

Space Defenders was made by @jasonleowsg and is hosted on their own site at jasonleow.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.