Out of Pixkrieg
Free · play online in your browser, no download
A multiplayer extraction RTS in the browser: take a squad of generated pixel soldiers into a shared raid and get them home, or lose them for good. The developer says Codex and Claude agents wrote the code.
Official site pixkrieg.com, verified Nov 3, 2026. Official site linked in the developer's own Reddit post on r/codex.
Where to play
Every platform this game is on. Links are checked against official sources; we never host or mirror games.
- Play free — official siteBrowserEarly access · Early prototype; free browser playtest that is open at times announced on DiscordFree
Runs in a desktop or mobile browser. No download.
Browser (no download) · Mobile · Official link verified Nov 3, 2026.
About Out of Pixkrieg
Out of Pixkrieg is a free multiplayer extraction real-time strategy game that runs in the browser and on phones. You command a group of units directly and take them into a raid on a shared map with bandit camps, beasts, warring bandit factions and other players. You fight, collect equipment and resources and free captives, who join your group on the spot but stay only if you get out together; downed units can be picked up by their comrades, but units that die are gone for good, with their gear. Between raids your units produce resources at your camp, so every raid risks people who are useful at home. You can go in with a friend as a duo, and newcomer parties of fewer than seven units are sheltered at the edge of the map. Every unit has its own generated look, name and equipment, and survivors gain experience. The developer describes it as “basically Tarkov as an RTS”. Everything is generated in code, with no sprites or asset packs: the units, terrain, buildings, plants, icons, sounds, the font and even the trailer. The developer, posting as u/idlerunner00, says they mostly made design calls, played it and threw things out, while Codex and Claude agents wrote the code. It is an early prototype; you can play as a guest and keep your camp later with a name and password.
How it was built
Partially verifiedIn a post on r/codex (17 Oct 2026, UTC) titled “I used Codex to build an almost fully procedural multiplayer extraction game”, the developer writes: “Started this two weeks ago with Codex and Opus”, and “I mostly made design calls, played it and threw stuff out. The agents wrote the code, around 3,700 commits so far, kept in check by strict CI (clippy pedantic, 90% coverage, mutation tests) and a review agent before every merge.” In replies the developer says Codex and Claude worked next to each other, coordinating through documentation; for example Claude would plan five work packages and Codex would take two of them. The map tool was done mainly by Codex. Which model ran in Codex is not stated.
Named with Codex (“Codex and Opus”) as one of the agents that wrote the code. In replies the developer says Claude planned work packages that it shared with Codex, and that the creature generator was made by Claude, as a test after the release of Opus 5.5. Which Claude app was used is not stated.
The client is written in Rust with wgpu and compiled to WebAssembly, so it runs in the browser and on phones; an authoritative Rust server runs shared raids, chat, friends and a duo queue, per the developer. Two AI agents (Codex and Claude) wrote the code in about 3,700 commits over the first two weeks, gated by strict continuous integration (Clippy in pedantic mode, 90% test coverage, mutation tests) and a review agent before every merge. All art, sound and the font are generated in code; the developer's earlier procedural map tool and pixel-creature generator, both published on GitHub, were used.
- Engine / framework
- Custom Rust/wgpu engine (WebAssembly)
- Languages
- Rust
- Team size
- Not disclosed
- Initial build time
- About two weeks at the time of the Reddit postDeveloper ReportedReddit (u/idlerunner00)
- Development time
- Not disclosed
- Development cost
- Not disclosed
- AI-written code
- ~100% of shipped codeDeveloper ReportedReddit (u/idlerunner00)
“I mostly made design calls, played it and threw stuff out. The agents wrote the code”Verification notes: AI use, stack and figures from the developer's post on r/codex by u/idlerunner00 (17 Oct 2026, 14:44 UTC) and the developer's replies under it (17–18 Oct 2026), read from the Arctic Shift Reddit archive on 7 Nov 2026; the post links pixkrieg.com. The 100% AI code share reflects “The agents wrote the code”. The post names “Codex and Opus”; the replies say “Claude”, without naming a Claude app. Gameplay, the guest login and the prototype status from pixkrieg.com, read on 7 Nov 2026; the page shows whether the playtest is open at the moment and asks players to join Discord to be told when it opens. The “Tarkov as an RTS” comparison is the developer's own; the game uses no names or assets from Escape from Tarkov. The landing page's script calls no AI services; the game client itself was not inspected. The developer is known only by the Reddit handle; the site is written in the first person singular, and team size is not stated. The game was not played.
Development history
The developer presents the game on r/codex, two weeks and about 3,700 agent-written commits in (14:44 UTC).
DeveloperReddit (u/idlerunner00)
Game performance
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Browser (official site)
Free in the browser with nothing to install; no account needed (you start as a guest).
No public metrics recorded for this listing.
Not publicly available: Concurrent players (site), Monthly revenue, Gross revenue.
Sales & revenue (all platforms)
Browser game — there are no downloads to count.
Reviews & rankings
Not yet reviewed by our editors.
Not currently ranked.
Sources
| Source | Type | Published | Accessed |
|---|---|---|---|
| I used Codex to build an almost fully procedural multiplayer extraction game (r/codex) Reddit (u/idlerunner00) | Social post | Oct 17, 2026 | Nov 3, 2026 |
| Out of Pixkrieg: a multiplayer extraction RTS in your browser idlerunner00 | Official site | Not confirmed | Nov 3, 2026 |
| Official game page (language check) idlerunner00 | Official site | Not confirmed | Nov 3, 2026 |
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