Misty and the Last Breeze
A fast 3D platformer in Godot where you run, wall-run and vine-swing, then call an air board mid-run to grind and kickflip; its solo developer says all the code is written by Claude Opus 5.5.
Teaser onlyNot playable yet · Watch the developer's video ↓
Where to play
The developer has shown this game in a public video, but there is no public build yet. We update this page when there is news.
Watch the developer's video (Reddit r/aigamedev (u/ilrein91)) ↗
About Misty and the Last Breeze
Misty and the Last Breeze is a 3D platformer about Misty, a young wind monk chasing Wisp, the last breeze left in the world. Short stages of two to three minutes mix a full moveset (triple jumps, backflips, an air dash, wall runs, vine swings and a gust of wind to leap off) with an air board that can be called on any downhill run to grind rails and vines, ride flumes and string tricks into combos. Stages sit inside paintings in an abandoned castle, across three worlds, and are timed with bronze, silver and gold medals and hidden strawberries. The developer, Ilia Reingold, a web developer of more than a decade making the game solo in Godot, writes: “All the code is written by Opus 5.5”, through Claude Code, and the Steam disclosure says most of the gameplay code, tooling and tests were written with Claude Code and Codex from the developer's design direction. The trailer shared on 9 October 2026 followed two weeks of work. The Steam page lists Windows and a 2027 release.
How it was built
Partially verifiedThe developer writes that all the code is written by Opus 5.5, via Claude Code: ChatGPT concept art for the character, Blender MCP to build and animate it, then a night-long “ULTRACODE” session from a short prompt to lay the foundations, with the levels and the board added in follow-up sessions. The levels are code-driven, and Opus also synthesized the sound effects and first music tracks with Python and built a Three.js grey-box scene in which the developer annotates jumps before a level is built.
- Developer“All the code is written by Opus 5.5, which also helped create the character (from chatgpt image mockups) and animate it in blender.” — Reddit r/aigamedev (u/ilrein91)
- DeveloperComment, 10 Oct 2026: “Simply Claude Code -> ChatGPT Concept art for the character -> Blender MCP to build it -> Then a full night ULTRACODE session to lay the foundations.” — Reddit r/aigamedev (u/ilrein91)
Named next to Claude Code in the Steam AI disclosure as one of the AI coding assistants that wrote most of the gameplay code, tooling and automated tests; the Reddit post does not mention it.
- DeveloperSteam AI disclosure: “Most of the gameplay code, tooling and automated tests were written with AI coding assistants (Claude Code and Codex), working from my design direction, and reviewed, playtested and revised by me.” — Steam
Godot project coded by AI assistants from the developer's design direction; the developer reviews, playtests and decides level layouts and movement feel. Models and textures are built in Blender through AI-written scripts, sometimes from AI-generated reference images; shaders, UI and effects are in code; music is made with Suno and edited by the developer; sound effects are mostly synthesized in code. The game has no runtime AI, per the Steam disclosure.
- Engine / framework
- Godot
- Languages
- Not disclosed
- Team size
- 1 (solo)Developer ReportedSteam
- Initial build time
- About two weeks of work at the time of the trailer (9 Oct 2026)Developer ReportedReddit r/aigamedev (u/ilrein91)
- Development time
- Not disclosed
- Development cost
- Not disclosed
- AI-written code
- Not disclosed
“All the code is written by Opus 5.5.”Verification notes: AI use and development time come from the developer's r/aigamedev post of 9 Oct 2026 and the developer's replies under it (read through the Arctic Shift archive on 8 Nov 2026), and from the Steam AI disclosure. The post credits all the code to Opus 5.5; the Steam disclosure says most of the gameplay code, tooling and tests were written with Claude Code and Codex; both are shown. The Reddit account u/ilrein91 links the developer's X account IliaReingold and the Steam page, which names Ilia Reingold as developer and publisher. Steam (app 5339000): Windows, release 2027, English, no demo when checked. Celeste and Mario 64 appear only in the post title and, for Mario 64, in the prompt keywords the developer quotes in a comment (“Mario 64 Inspired”); the developer calls them “just loose inspiration” and says no characters, music or names are copied. Steam describes the stages as hand-built, the post as code-driven; both describe stages designed by the developer and built in code. Location is not stated.
Development history
Trailer shared after two weeks of work; Steam page live with a 2027 release.
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.
Reviews & rankings
Not yet reviewed by our editors.
Not currently ranked.
Sources
| Source | Type | Published | Accessed |
|---|---|---|---|
| What if Celeste met Mario 64, and they decided they should try skateboarding? Reddit r/aigamedev (u/ilrein91) · English | Social post | Oct 9, 2026 | Nov 7, 2026 |
| Misty and the Last Breeze on Steam Steam · English | Store page | Not confirmed | Nov 7, 2026 |
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