Claude Opus 5.5
Interactive crowd evacuation simulation
The author says they gave Claude Opus 5.5 and Astra the same prompt to build an interactive crowd evacuation simulation and observe where crowd movement jams.
3D prompt examples
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GPT-6 Astra
White-model shuttle flight through a city canyon
A 10-second single-take Blender animation of an original shuttle flying at extreme speed through a dense city canyon, rendered with PixVerse from Blender references.
GPT-6 Astra
3D world full of very high skyscrapers
Bilal Arshad says he asked Astra to build a 3D world full of very high skyscrapers and shared the result.
GPT-6 Astra
Interactive 3D Sun model website
Create an interactive Three.js website centered on a realistic 3D Sun made through a Blender Python script. The site supports rotating, moving around, and zooming into the Sun; includes a cosmic background and solar-system information; and provides an interactive anatomy view with labeled solar layers and descriptions.
GPT-6 Astra
Rotating Earth Render in Blender
A Blender prompt for creating a gorgeous five-second render of Earth rotating, viewed from space. The author says both models were tested with this same prompt.
GPT-6 Astra
Create CS2 in Three.js
A short prompt shared by Neatprompts for creating a CS2-style scene in Three.js with GPT-6 Astra. The sharing chain leads through Om Patel to a public Reddit demonstration by u/TimeForsaken5275.
GPT-6 Astra
Interactive Smartphone Exploded View
Build a 3D smartphone visualization with an explode–reassemble slider, selectable components and explanations of each part's function.
GPT-6 Astra
DEVICE: A Photorealistic 3D Puzzle Game That Uses the Smartphone Itself
Comprehensive instructions for creating a photorealistic, portrait-mode Android 3D puzzle adventure in Unity, where players investigate a black, cube-shaped device called DEVICE. In addition to touch controls, integrate the phone’s tilt, rotation, face-down gestures, accelerometer, camera, microphone, vibration, speaker, brightness, compass, charging status, and other capabilities as puzzle inputs within the same game world. The linked article publishes these development instructions in full as entered into ChatGPT Work, and also introduces the 25-stage DEVICE demo and its Android APK.
GPT-6 Astra
Isometric fantasy graphics demo
An interactive browser-based fantasy 3D scene with an isometric camera, voxel-inspired art direction, wet reflective floors, and a movable character. The linked Dream Loop repository presents this as its example prompt and states that it was tested with GPT-6 Astra in Codex. It requests no gameplay loop.
Claude Opus 5.5
Hundenberg accident model and realistic video
The author says they used Anthropic Opus 5.5 to model the Hundenberg in Blender and create a realistic video of its accident.
GPT-6 Astra
Three.js dark-fantasy action RPG
A prompt for creating a fully playable 3D dark-fantasy action RPG in Three.js, including a Gothic forest-reclaimed sanctuary, knight combat, magic, a boss encounter, Traditional Chinese HUD elements, and complete game flows.
GPT-6 Astra
Interactive 3D robotic hand piano demonstration
A browser-based interactive 3D demonstration of a five-finger robotic hand playing a 25-key miniature piano, with causally connected finger contact, key movement, MIDI-driven planning, audio, camera views, and performance diagnostics.
GPT-6 Astra
Tokyo Tower Day-and-Night 3D Scene and Video
A production brief for creating a scene based on researched structural features of Tokyo Tower and the atmosphere of its surroundings, using actual 3D geometry to show both daytime and nighttime views. Deliverables include editable Blender files, an approximately 30-second MP4 for posting on X, preview images, and a README. The author is sharing this as an instruction prompt for Astra.
GPT-6 Astra
Create and render a black hole in Blender
The author says they gave GPT Astra and Fable 5.1 the same prompt to create and render a black hole inspired by Interstellar in Blender.
GPT-6 Astra
Spline Rush procedural browser racing game
A verbatim prompt supplied in the root author’s verified comment for creating Spline Rush, a procedural Three.js browser racing game with tracks, AI opponents, physics, graphics presets, and synthesized audio.
GPT-6 Astra
Floating Chinese Temple with a Day–Night Switch
Create an interactive voxel temple on a floating island, surrounded by cherry blossoms, waterfalls and mountain scenery, with a day–night toggle.
GPT-6 Astra
Hogwarts 3D scene
A reusable prompt for creating a large-scale, realistic, explorable 3D model of Hogwarts with its environment, landmarks, interiors, props, cinematic presentation, fog, sound design, and switchable visual settings.
GPT-6 Astra
Wordless 3D Cat Treat Short
A request for a wordless 3D cat animation centered on one treat button, escalating chaos, and a small payoff.
GPT-6 Astra
Nuclear Explosion 3D City Simulation
A 3D nuclear explosion demonstration featuring a city, nuclear flash, expanding shockwave, fireball, smoke, and buildings that fracture and collapse as the blast reaches them.
Claude Opus 5.5
Interactive Eulerian Neon Fluid Simulation
A reusable one-shot prompt shared by the author as the exact prompt used for the displayed GPU neon fluid simulator. The root post explicitly attributes the simulator to Opus 5.5. It requests a dependency-free, single-file WebGL fluid simulation with GPU FBO passes, neon dye interaction, ambient vortices, and a glassmorphism control HUD.
GPT-6 Astra
A Tower Defense Game Inspired by Sir, We Have Orc Problems
A prompt asking Astra to create a tower defense game like Sir, We Have Orc Problems.
GPT-6 Astra
PC Splatoon Development and Graphics Recreation
A prompt requesting the development of a PC version of Splatoon with a complete recreation of its graphics. The poster explains that they ran only this prompt with Ultra.
GPT-6 Astra
Model the Brooklyn Bridge and test tanks crossing from both directions
A CAD and structural-load request quoted verbatim in the linked post by higgsfield_ai. It asks GPT-6 Astra to recreate the Brooklyn Bridge in AutoCAD and evaluate a scenario with tanks crossing from both directions.
GPT-6 Astra
Verdant — interactive 3D dinosaur island
An author-verbatim request from @vib3coded for Verdant, an interactive Three.js and WebGL 3D island diorama. It specifies roaming dinosaurs, a waterfall and cutaway lagoon, underwater camera movement, animal-feeding and egg-hatching interactions, environmental controls, rain, music, and delivery as one browser-ready HTML file.