
Traffic Architect
Simulation · PuzzleDesign road networks in 3D to keep a growing city moving.
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Play free — official siteVibeGameDB lists 16 games in this group, 28% of the 57 games on the Management page. Each one has a source for how it was made. The most common engine is Three.js (38%). 16 are free or free to play and 0 are paid. The most recently added is 大航海群像志 (November 2026).
Ordered by editorial score, then player rating, then release date. Open a game for its sources.

Design road networks in 3D to keep a growing city moving.
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A cozy browser life sim about working remotely while moving between cities.
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A cosy farming sim about growing a giant pumpkin for the October weigh-off.
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A real Famicom/NES game about running a chip fab from 1971 to AI superintelligence, wrapped for phone browsers. The developer says it was built entirely inside the Codex app, and lists Codex on the team.
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Play free — official siteA free idle age-of-sail trading game in the browser, set from 1602, where you assign your fleet's tasks and let them run; the developer says it was vibe-coded over a weekend on the gameplay skeleton of 大航海时代 4 (Uncharted Waters 4).
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Play free — official siteA Factorio-like factory game for the Nintendo DS, from cutting the first tree to launching rockets; the developer wrote the design and Claude Code wrote most of the C.
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A free idle game about growing a tiny contract software shop into a listed company, with Brooks's law from The Mythical Man-Month built into the rules. The developer left the implementation to Claude Code.
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Run an unlicensed basement surgery for aliens: saw, cut and electrocute for money. Vibe Jam 2026's “Most Cursed” award.
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Craft drinks, serve customers and grow a cozy corner café into a café empire.
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SimCity 2000 rebuilt for the browser in low-poly 3D: Claude Opus 5.5 translated the original Mac game's decompiled code function by function.
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A free pixel-art idle survival game in a French valley overrun by the dead: pick what your survivor does and they keep at it while the game is closed. The developer says Claude Code wrote most of the code.
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A free cozy boba café game in the browser: a short rush of orders, a calm evening of decorating, and one last customer each night with a story. The developer says Claude produced all the code.
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A cozy multiplayer sheep-farming game in 3D in the browser: build a shelter, raise 12 breeds of sheep, grow crops and share a farm with friends. The developer says GPT 6 Astra in Codex made it one-shot from a single /goal run.
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A SimTower-style tower builder rebuilt around democratic socialism: you are the elected steward, and confidence is the score.
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A browser tycoon about running a vibe-coding studio: pick models and stacks, ship AI-made projects and survive bugs and hype.
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A very small turn-based 4X in the browser: two workers, a 5×5 board and 15 technologies, racing a CPU city for food, production and gold. The developer made the design decisions and left the implementation to Claude Code.
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Play free — official site