Games

Broadcast pitting Astra against Claude Opus 5.5 to write the best StarCraft strategy code, tied to the StarSkirmish hillclimb benchmark.

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

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

Emm Tee remade Paperboy with Astra writing code and every house, tree and fence modelled in Blender, playable at paperroute.lol after long tuning of the look and rendering.

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.

A text-game plugin that imports SillyTavern character cards and plays them as a DSH agent, working with any model and on a phone. Built so roleplay fans can use the harness for stories, not just code.

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

Angel asked Astra to build an in-game display in Minecraft where the OpenAI logo transforms into "6 Astra", and it worked first time.

Viraj Bhartiya wired both models into the Chrome T-Rex game: Laya local on MLX, Jev over the API, same track and physics, side-by-side latency. Code in virajbhartiya/laya-vs-jev.

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

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

Community-curated list of playable games made with Astra, each linked to source code, a demo and the prompt that produced it.

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

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

The poster's run in which Astra finished Valve's Portal by controlling the game like a human; the setup is open-sourced as portal-agent.

Challenge video asking Sol to build a third-person horror game, using the Higgsfield API and MCP.

Shikhar shows a Three.js game running in the browser where Astra also modelled the cars in Blender, using it to argue that AI-made GTA-style games are close.

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.

Vals AI reports Astra getting further than any model in their long-horizon Minecraft eval and approaching a full real-time game beat.

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

Anshu let Astra work all night on a 3D game, adding weather effects, Blender modelling and an hour of birds, burning about half his weekly quota, and promises a start-to-finish guide.

Meng To had Astra build a polished Three.js game where rocks, trees and characters are all code, then recreate each scene in Blender and cut the trailer, noting a big jump over Sol in UI and 3D design.