Mix & Mortar
Free · play online in your browser, no download
Mix mortar, cut beams and haul bricks before foreman Boris loses it, while a real house rises behind the fence. A 3D browser game whose developer says Claude wrote every line.
Official site mneho333.itch.io, verified Nov 3, 2026. Linked from the developer's own Reddit post on r/aigamedev; the itch.io author is Mix & Mortar Games (mneho333).
Where to play
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- Play free — itch.ioitch.ioEarly access · Early version; listed as “In development” on itch.ioFree
Plays in the browser on itch.io. No download.
Browser (no download) · Mobile · Official link verified Nov 3, 2026.
About Mix & Mortar
Mix & Mortar is a free 3D construction-site game for the browser, set in New York. Foreman Boris (“Uncle Borya” to friends) barks out orders against the clock, and the mortar in your bucket sets by the second: you mix it, cut it, carry it and hand it in before he starts grumbling. A mixer rewards a perfect mix with bonus pay, and too much water turns it to mush. Workstations include a saw, a workbench, a rebar bender and paint tinting, and special jobs bring in a concrete truck, a tower crane, steel girders, glass panels and hot asphalt. Every order you deliver adds a piece to a real house rising behind the fence, across five sites from a small wooden house on Staten Island and a brick home on Brighton Beach to a corner deli in Brooklyn, a walk-up under the elevated line in Queens and Boris's dream, the Boris Tower in Manhattan. Ocean wind, seagulls, the neighbour's dog, the 7 train and the city inspector get in the way. The first week is a calm tutorial, and there are upgrades, a wheelbarrow, a helper named Styopa, 25 hard hats to collect, a daily work order and seasonal events. The developer, who says they cannot code at all, calls it “Overcooked-style chaos” and says Claude wrote all of the code (three.js, about 40 files), the 3D characters, animations, menus and tests, while the developer supplied the idea, feedback and playtesting. Free in the browser on itch.io with keyboard or on-screen phone controls, in English and Russian; an early version.
How it was built
Partially verifiedIn a post on r/aigamedev (9 Oct 2026, UTC) the developer writes: “I can't code at all — and I made a 3D browser game anyway. Claude wrote every line.” and, under how it was made: “all the code (three.js, ~40 files), 3D characters, animations, menus, tests — Claude. My part: the idea, ‘this looks ugly, fix it’ feedback, lots of playtesting.” In a reply the developer adds that it was “Claude for basically everything (code, 3D characters, animation, tests), I just kept saying ‘make it prettier’ until it was”. The post does not say which Claude product or model was used.
- DeveloperThe itch.io AI disclosure ticks AI Assisted, Code, Graphics, Sounds and Text. — itch.io
A three.js browser game of about 40 files, with code, 3D characters, animations, menus and tests written by Claude from the developer's idea and playtest feedback. Per the post, the music is CC0 and the sounds and cover art were AI-generated. The itch.io build bundles three.js and calls no AI services.
- Engine / framework
- Three.js
- Languages
- JavaScript
- Team size
- Not disclosed
- Development time
- Not disclosed
- Development cost
- Not disclosed
- AI-written code
- ~100% of shipped codeDeveloper ReportedReddit (u/MixAndMortarDev)
“I can't code at all — and I made a 3D browser game anyway. Claude wrote every line.”Verification notes: AI use from the post by u/MixAndMortarDev on r/aigamedev (9 Oct 2026, 04:25 UTC; the post carries the title “Built with Claude — Project Showcase Megathread”) and the developer's reply under it, read from the Arctic Shift Reddit archive on 8 Nov 2026; the post links the itch.io page. Features, sites, controls, languages, status (In development), the AI disclosure and the rating of 1.0 (1 rating) from the itch.io page, re-read on 8 Nov 2026; it shows no publication date, so no release date is recorded (the game was public by 9 Oct 2026). Developer: the Reddit account writes in the first person and says it cannot code, while the itch.io profile, in Russian, describes Mix & Mortar Games as a small indie studio; team size is therefore not recorded. “Overcooked-style” is the developer's own comparison; the game uses no Overcooked names or assets. The web build (index.html with a bundled three.js) was checked and contains no AI service addresses. itch.io shows no download count. The game was not played.
Development history
The developer shares the early version on r/aigamedev and says Claude wrote every line.
DeveloperReddit (u/MixAndMortarDev)
Game performance
Each figure measures something different — concurrent players, owners, downloads and sales are never interchangeable and are never added together. Labels show where each number comes from.
itch.io
Free in the browser (HTML5) with keyboard, or a joystick and button on phones; progress is saved in the browser.
Not publicly available: Gross revenue.
Reviews & rankings
Not yet reviewed by our editors.
Sources
| Source | Type | Published | Accessed |
|---|---|---|---|
| Built with Claude — Project Showcase Megathread: Mix & Mortar (r/aigamedev) Reddit (u/MixAndMortarDev) | Social post | Oct 9, 2026 | Nov 3, 2026 |
| Mix & Mortar by Mix & Mortar Games itch.io | Store page | Not confirmed | Nov 3, 2026 |
- Team
- The Reddit post is written in the first person by someone who says they cannot code, while the itch.io profile describes Mix & Mortar Games as a small indie studio. (Reddit (u/MixAndMortarDev), itch.io)
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