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Build the retro JRPG I grew up wanting to play

A fan of FF6 and Chrono Trigger spent four days going back and forth with AI to build Crimson Oath, a free SNES-style JRPG that runs in the browser with two chapters, four party members, ATB battles and 31 music tracks in six languages. Every sprite and song lives in code — the game loads no image or audio files.

How it works

  1. Describe the SNES-style JRPG to the AI
  2. Iterate back and forth for four days on chapters, battles and balance
  3. Generate all sprites and 31 music tracks as code
  4. Ship it free in the browser with six language options

Why it’s worth knowing

A complete two-chapter JRPG — music, sprites, battles — exists entirely as code, with no art or audio files at all.

Where it’s from

Summarized from a public post on vibingtalk.com. See the original ↗

Upgraded prompt

A ready-to-use prompt for this idea, built from research on what makes AI agents do the job right: who the AI should be, the exact steps, and a check to make sure it was done the way you wanted.

1Who the AI should be
2The prompt, with the steps
3The check when it’s done
Upgraded prompts are coming soon.

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Every idea is a real post from someone who tried it, summarized in our words, with a link to the original. App names are swapped for plain words.