Radiant Optimizer Games List
Every title from the viral Radiant Optimizer browser games post, sorted by what actually works: 17 games playable in your browser right now, 2 that run on your own game files, and the rest that have no working host. Statuses last checked October 11, 2026.
Playable now (free, in your browser)
| Game | Play | Where / notes |
|---|---|---|
| Skate 3 (fan recreation) | Play ▸ | skate3-cleanroom (GitHub Pages) — Cleanroom fan rebuild. Needs Chrome or Edge 113+ with WebGPU. Keyboard, gamepad, or touch. See the full Skate 3 in browser guide. |
| Minecraft Classic | Play ▸ | Mojang (official) — Mojang’s own official browser release. Any modern browser. |
| Quake | Play ▸ | NetQuake.io — Desktop browser, keyboard and mouse. |
| Quake II | Play ▸ | Qwasm2 — 18+ confirmation. Optional support for your own PAK files. |
| Quake III Arena | Play ▸ | Q3JS — Phone mode available; keyboard and mouse recommended. |
| Return to Castle Wolfenstein | Play ▸ | Wwasm — 18+ confirmation. Optional support for your own .pk3 files. |
| Half-Life | Play ▸ | WebXash — Desktop browser. Bring-your-own-files supported. |
| Diablo | Play ▸ | DiabloWeb — Runs standalone; optionally uses your own DIABDAT.MPQ for the full game. |
| CS Surf | Play ▸ | surfd.net — Desktop browser, keyboard and mouse. |
| 2048 | Play ▸ | Original by Gabriele Cirulli — Any browser with JavaScript. |
| Cookie Clicker | Play ▸ | Orteil (official) — JavaScript plus browser storage for saves. |
| A Dark Room | Play ▸ | Doublespeak Games (official) — JavaScript plus browser storage. |
| Little Alchemy 2 | Play ▸ | Official site — Any modern browser. |
| Slow Roads | Play ▸ | slowroads.io (official) — Needs hardware-accelerated graphics. |
| Universal Paperclips | Play ▸ | decisionproblem.com (official) — Any modern browser. |
| GeoFS | Play ▸ | GeoFS (official) — Flight simulator; needs a stable connection for scenery. |
| Sandspiel | Play ▸ | Official site — WebAssembly/WebGL falling-sand toy. |
Bring your own copy
These run a game engine in your browser but need your legally owned game files, supplied locally. The guide never hosts or links game files.
| Game | Open | Requirements |
|---|---|---|
| Halo: Combat Evolved | Open ▸ | Engine-in-browser. You supply your own Xbox disc image; expect roughly 1.8 GB of local storage. Touch, controller, and keyboard supported. |
| GTA: Vice City | Open ▸ | You supply your own copy. Needs WebGL 2 and SharedArrayBuffer. |
Listed in the post, no working host
These titles made the viral list but have no reliable, source-disclosing way to play in a browser. Many are commercial games whose browser ports raise copyright problems — which is exactly why we do not link re-uploads.
| Game | Status |
|---|---|
| Black Ops Zombies (BO1) | Third-party hosts serve large WebGL 2 downloads; no source-disclosing host linked. Read the Black Ops browser status page. |
| Black Ops — Moon | No reliable host linked. |
| Kino der Toten | No reliable host linked. |
| Black Ops 2 | Fan rebuilds and AI-assisted reconstructions exist; nothing dependable linked. |
| BO3 Cheese Cube | Fan rebuild; no dependable host linked. |
| Modern Warfare 2 (2009) | Hosts may serve files from owned copies; none linked. |
| Skate Rust | Requirements unknown; unverified. |
| PES 6 | Third-party host exists; not linked. |
| GTA V | No working host identified. |
| The Simpsons: Hit & Run | Port based on leaked source; not linked. |
| Unreal Tournament | Builds exist; source unidentified. |
| Counter-Strike 1.6 | Community servers (CSJS, Play-CS) exist; not linked. |
Install required
| Game | Notes |
|---|---|
| Hedgewars | Official downloads for local install; not fully browser-hosted. |
How to use this list
If you want zero setup, start with the playable-now table — Minecraft Classic, the Quake builds, and the Skate 3 fan recreation are the closest to the viral post’s promise. Check how to play for browser requirements, and is it safe? before touching anything that asks for a download.