Two AI Agents Built a Slovenian Folk-Hero Browser Game in Four Days

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A developer used Claude Code and OpenAI's Codex over four days to build a playable browser demo of a point-and-click adventure based on Martin Krpan, a Slovenian folk hero known for smuggling salt. The project produced 108 commits, 92 tests, and 111 voiced lines of dialogue, running on the Godot 4.7.2 engine. The two AI agents divided responsibilities — Claude handled game code and orchestration while Codex generated artwork and independent code reviews — with the developer approving key design decisions throughout. A persistent challenge was rendering the 300-pixel protagonist correctly, as the character's arms and head repeatedly appeared misaligned in the animated rig. The released Act I demo is described as a rough but functional first chapter, with four additional acts planned once this segment is polished.

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