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WK 45

Sumiro

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๐Ÿ”ฅMost read this week

  1. 01Report: Unreal Engine 6 drops Blueprints and Actors, moving gameplay code to Verse
  2. 02Sumiro
  3. 03Pieter Levels ports the Battlefield 1942 demo to the browser with Claude Code
  4. 04Einsia benchmark tests 11 coding agent setups on Blender and Unreal Engine 5
  5. 05Holdout's GameDecider is a small local model that judges what players say
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Home โ€บ Games

Sumiro
Image: Shikhar (@xikhar) on X

Sumiro

ShikharReleasedThree.js

  • Web browser

By Hitesh K ยท 6 November 2026

Play it โ†’

Summary

Sumiro is a free 3D adventure that runs in a web browser. You guide a wanderer in a straw hat across misty cliffs, stone stairways and temple grounds drawn in the style of an ink-wash painting, climbing ledges, riding lifts and working through chapters. Its developer, Shikhar (@xikhar) on X, released it on November 4, 2026, with a post saying he made the whole game in 24 hours using AI, and shared the play link a few hours later.

How it was made

How it was made: according to Shikhar's seven-part thread on X, the process started with a reference video generated with Flux 3 Max on fal, which set the look of the world and the main character. He then took screenshots from that video, rebuilt the assets in Blender and placed them in a Three.js scene, running several Claude Code agents at once to build the world and check each other's work. For the hero, he made four side views with GPT Image, turned them into a 3D model with Tripo, and had Claude's Opus 5.5 model add cloth physics and animations. After testing a playable prototype, GPT Image produced concept art for each level (up to eight images per level, he says), the agents built each concept into a playable 3D level, and he played, reported bugs and let the agents fix them in repeated rounds.

He lists the full stack as Opus 5.5, Flux 3 Max, GPT Image, Tripo, Blender and Three.js, and credits Video2Game by Lovis Odin (@OdinLovis) on X as the inspiration for the approach. The launch post had passed 2.6 million views by November 6. All details about how the game was made come from the developer's own posts; AIGamer hasn't verified the 24-hour figure.

Topics:Coding agentsAI 3D and art assetsAI in game development

Sources

Details come from the developer's own posts and pages credited below.

  1. Shikhar (@xikhar) on X: Launch post and seven-part workflow thread (developer's own posts)
  2. Shikhar (@xikhar) on X: Reply with the play link (developer's own post)
  3. Sumiro: The game's free web build (play link)

Image: Shikhar (@xikhar) on X

Written in our own words; quotes are marked and credited. How we report

Game details

Developer
Shikhar
Platforms
Web browser
Genre
Adventure, Platformer
Engine
Three.js
Status
Released
Release
November 4, 2026
Price
Free
Build time
24 hours (developer's claim)

Made with AI

  • Claude Code (Opus 5.5)
  • Flux 3 Max on fal
  • GPT Image
  • Tripo

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