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Build game architecture and animation merging with Codex

A commenter had Codex do fundamental architecture work for their game, reading engine docs and implementing better animation merging.

Done withCodex

What they did
In the thread, one commenter says Codex handled a surprising amount of core game architecture work while they were building a game. They say some of that structure was explicitly requested, but Codex also independently read the engine’s documentation and implemented animation merging to smooth transitions, reflecting the user’s preference for polish.
How it went
The reported result was a game setup with improved underlying architecture and animation blending that no longer looked choppy. The commenter gives no metrics or detailed failures, only that part of the work still came from direct requests.
Worth knowing
Their main catch is that this came from roughly 1.5 years of experience using Codex, plus accumulated instructions and tactics, not a one-shot prompt.

Try it yourself with Codex

In my game project at [repo path], read the [engine name] documentation on animation and then implement better animation blending/merging for [character or system]. Explain your plan before changing code, run the existing tests or a sample scene to verify it works, and summarize the changes when done.

Read the original ↗

Source: Reddit · Oct 4, 2026

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