Games with Claude Opus 5.5

Shikhar

@xikhar · Sep 27

Third iteration of a game built on Opus 5.5 at medium effort that stitched Blender models, generated images and three.js into something running in the browser.

Aymane

@GamefxAI · Oct 3

GamefxAI asked Opus 5.5 to reverse engineer two games and combine them, and showed the playable fusion.

Karan

@karankendre · Sep 26

Karan Kendre asked Opus 5.5 for an aeroplane simulator and shared a screen capture of the flyable result.

Higgsfield AI 🧩

@higgsfield_ai · Sep 22

Higgsfield compared 3D samurai game demos from Opus 5.5 and a rival model, built with its tooling in the launch-day gaming test.

CHRIS FIRST

@chrisfirst · Sep 28

Quests, dialogue trees, V.A.T.S. and a working Pip-Boy, with every building, weapon, face and sound generated procedurally and no texture or audio files.

Jayden Davis

@JaydenDavisNC · Sep 25

A paint-shooter inspired by Splatoon built by Opus 5.5, shared with gameplay footage and a link to play it.

Danny Limanseta

@DannyLimanseta · Sep 27

Danny Limanseta lets his kids describe features and prompts them into Opus 5.5, producing an explorable open-world game.

soyukke

@soyukke_game · Sep 23

A Japanese developer asked Opus 5.5 to make a game around the idea that the trolley problem is not a real dilemma, and shared the playable result.

Noah Wachnik

@noahwachnik · Sep 22

Noah Wachnik called this the most striking LLM output he had seen, a Minecraft-like world running in a browser tab.

S

@Rubzem · Sep 27

Rubzem built a three.js space game with over 80 uniquely generated planets to explore seamlessly, from one prompt.

Max Blade

@_MaxBlade · Sep 22

Max Blade put an Opus 5.5 game live on his server and let stream chat join in.

edwin

@edwinarbus · Sep 22

Edwin Arbus's game about the first computer, with all visuals and audio procedurally generated in real time by the model.

Shardul

@pracosm · Sep 25

Left running with one instruction, Opus 5.5 produced two Indian cities on tiny planets, with the Mumbai Western line, Bengaluru purple metro, NPCs and trains.

Chris

@ChrisGPT · Sep 23

Chris demonstrated browser worlds in the style of Minecraft and Star Wars generated by Opus 5.5.

Alex

@The_Alex · Sep 22

The Alex shared several projects made with pre-release Opus 5.5 access, starting with a Dark Souls-inspired demo.

Fork Dev

@ForkedPush · Sep 26

A small Unity fishing game assembled with the Blender MCP and Opus 5.5.

Matt Shumer

@mattshumer_ · Sep 23

Matt Shumer left Opus 5.5 iterating on a New York City game for nearly a day while it kept improving; players can join.

BubuAi

@BubuStd · Sep 24

A PS2-era dream game with combos, dodges and Musou attacks, built with Opus 5.5 ultracode.

Theo - t3.gg

@theo · Sep 23

Theo praised Opus 5.5 for fish animation, control feel and a full gameplay loop in the FishSlop test.

Belt

@bletDemonJH · Sep 29

The builder says a single prompt produced design, models, map, UI, scripts and thumbnails for a complete Roblox game, and claims a pipeline of several games per day.

gandamu

@gandamu_ml · Sep 24

A single-prompt demoscene-style demo with graphics and audio, the author's first attempt at the genre with Opus 5.5.

Leon Lin

@LexnLin · Sep 23

Terrain, creatures, a boss fight, animation, sound and music are all generated in code, and Opus 5.5 even cut the trailer and soundtrack.

Stefan 3D AI

@Stefan_3D_AI · Sep 28

A spec-driven build where Opus 5.5 drove Unity, Blender and Higgsfield through custom skills; the creator walks through the workflow in a video.

jacob

@jsnnsa · Sep 23

A playable multiplayer heist through five nested worlds, produced by twenty-six Opus 5.5 agents in one night.