OpenGame
Describe a simple game in plain English — the goal, the controls, what the player is dodging — and get back a playable browser game a minute or two later, without writing a line of game code yourself.
🔗 Visit OpenGame
Description
Making even a simple browser game traditionally means learning a game engine or writing JavaScript game logic from scratch, which is a real barrier for someone who just wants to prototype an idea quickly. OpenGame turns that into a text prompt: you describe the player's goal, controls, obstacles and art direction in plain English, and it generates a playable HTML5 (or 3D) game draft in roughly 1-2 minutes, using a prebuilt library covering common genres like platformers, shooters, puzzles, racing and arcade games.
Quick HTML mode gives you the fastest single-file draft for a quick idea test, while Studio mode adds agent-driven iteration, preview history, and a clearer path to a polished, exportable bundle. It supports both 2D and 3D generation, multilingual output, and lets you export your game as HTML or a ZIP download, or remix games other users have shared publicly. Pricing is free for a daily generation, with paid credit packs ($5 for 30 credits up to $29 for 140 credits) for additional custom generations that don't expire.
💬 Our review
The short version: prompt-to-playable-game is a genuinely fun, low-friction way to test a simple game idea without touching a game engine, and having both a fast single-file mode and a deeper iterative Studio mode is a sensible way to serve both "just show me something" and "let me actually refine this" users.
The honest limitation of any prompt-to-game tool is depth: what comes out is a draft prototype built from a prebuilt genre library, not a from-scratch, fully custom game — treat it as a fast way to test whether an idea is fun at all, not a replacement for an actual game engine (Unity, Godot, Construct) once you want to ship something polished. The free daily generation makes it essentially risk-free to try, and the credit packs not expiring is a fair model if you only need occasional custom generations rather than daily use.
💰 Pricing
📊 Global score
🤖 AI-enriched data
Génération quotidienne gratuite ; packs de crédits payants 5$ (30 crédits) à 29$ (140 crédits), sans expiration
Pros
Génération rapide (1-2 minutes) à partir d'un simple prompt texte
Génération quotidienne gratuite pour tester sans payer
Bibliothèque prête à l'emploi couvrant plusieurs genres (plateforme, shooter, puzzle, course)
Cons
Reste un prototype/brouillon, pas un jeu abouti prêt à publier
Moins de contrôle qu'un vrai moteur de jeu (Unity, Godot)
Crédits payants nécessaires au-delà de la génération quotidienne