One-Prompt Mini-Game Challenge

A cross-model experiment creating functional canvas games from a single prompt.

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Description

A comparative experiment where Kimi K3, Gemini 3.6 Flash, Grok 4.5, and Claude Fable 5 were given a single prompt to generate a self-sufficient HTML5 canvas game. The models produced unique gameplay mechanics, such as gravity-flipping and inertial drifting, while Fable 5 failed to generate a functional file.

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Details

Why this is interesting: Showcases a direct comparison of current frontier models on a specific coding and design task using a shared one-shot…
Attributed to: kuch (vibecoding arc)@thekuchh
Built with: 3.6 Flash Kimi K3 Grok 4.5 North Mini Code Fable 5 Gemini 3.5 Flash Seedream 4.5 2.5 Flash
Tags: #experiment #benchmark #gamedev #canvas

Discovered: X
First posted: X · Jul 23, 2026
Listed: Added 2d ago
Build: Strong
Models: Strong

Prompts

Prompt 1

Create ONE self-sufficient HTML file with a mini-game on canvas 1280 x 720 (without external libraries). Requirements: - The player controls an object that falls under gravity and must to reach one's goal without touching obstacles - DO NOT use "click-through jump" control - find another way interactions with physics (for example: changing the direction of gravity, time deceleration, wall repulsion, teleportation, inertia at pressed button - choose and come up with something yourself) - Design the visual style and theme yourself - don't copy existing games - Required: clear goal, score or levels, victory and defeat conditions - 150-250 lines of code Don't ask questions, don't describe the plan - just output the finished file one at a time answer.

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Prompt 2

Create ONE self-sufficient HTML file with a mini-game on canvas 1280 × 720 (without external libraries). Requirements:\n\n- The player controls an object that falls under gravity and must to reach one's goal without touching obstacles\n- DO NOT use "click-through jump" control - find another way interactions with physics (for example: changing the direction of gravity, time deceleration, wall repulsion, teleportation, inertia at pressed button - choose and come up with something yourself)\n- Design the visual style and theme yourself - don't copy existing games\n- Required: clear goal, score or levels, victory and defeat conditions\n- 150-250 lines of code\n\nDon't ask questions, don't describe the plan - just output the finished file one at a time answer.

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