Island Adventure
by @jasperdeboer · built with an AI coding agent · plays free at ja.sperdeboer.nl

Free, no install, runs in the browser. Hosted by its creator at ja.sperdeboer.nl — the link opens their site, not a copy on ours.
What Island Adventure is
Island Adventure is a flight sim game by @jasperdeboer. Survive a plane crash on an island by gathering, crafting, fishing, cooking and building a shelter. Built with Cursor · Three.js. It is a 180 KB download that loaded in 1.8s when we tested it and renders with WebGL.
Island Adventure: measured
We loaded Island Adventure in a real headless Chrome, played it, and recorded what it did. Blank cells are facts we could not measure, not zeros.
| Download | 180 KB | Total bytes fetched on first load. |
|---|---|---|
| Loads in | 1.8s | Time to the load event on a desktop connection. |
| Frame cost | 50 ms (~20 fps) — 3.0× over the 60 fps budget | Cost of one frame while playing, sampled in a headless browser with vsync off — so this is how long the game takes to draw, not the rate your screen refreshes. A 60 Hz display allows 16.7 ms; 95th percentile 67 ms. GPU run (assertGpu-equivalent check passed), renderer: ANGLE (NVIDIA, NVIDIA GeForce RTX 4070 Laptop GPU (0x00002860) Direct3D11 vs_5_0 ps_5_0, D; sampled with up to 7 surveys sharing the GPU, so an upper bound |
| Renderer | ANGLE (NVIDIA, NVIDIA GeForce RTX 4070 Laptop GPU (0x00002860) Direct3D11 vs_5_0 ps_5_0, D | What the game draws with. |
| Requests | 27 | 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 comparison: how we measured these games · what games like this cost to build.
Island Adventure FAQ
Is Island Adventure free to play?
Yes. Island Adventure is free and runs in your browser at ja.sperdeboer.nl — no download, no install and no account. It was made by @jasperdeboer.
What kind of game is Island Adventure?
Island Adventure is a flight sim game. Survive a plane crash on an island by gathering, crafting, fishing, cooking and building a shelter. Built with Cursor · Three.js.
Does Island Adventure 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 Island Adventure?
180 KB on first load, across 27 requests, loading in about 1.8 seconds.
Who made Island Adventure?
@jasperdeboer, using an AI coding agent. It is one of 393 games built this way that we catalogue and measure.
Credit
Island Adventure was made by @jasperdeboer and is hosted on their own site at ja.sperdeboer.nl. 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.





