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GridFlow / Built for / Browser games
Browser games

Make a browser game with AI, then play it on your phone

Describe a game in a sentence and play it in the live preview. Ask for phone controls, or paste the error the browser shows and GridFlow fixes it.

Start with a free QOL ID. A turn spends sessions only when you send it.

Screenshot of the browser game the engine returned
Browser game. Prompt: Make a browser game where you dodge falling asteroids with the arrow keys. Show a score that goes up over time and a restart button when you crash.
Test run by the GridFlow team on 2026-10-13, Claude Sonnet 5.5, Studio, one turn. Not customer work.

What you get

What GridFlow does for browser games, today

  • One sentence, one turnIn a test run, “dodge falling asteroids with the arrow keys, a score, a restart button” came back as a playable game in one turn.
  • Phone controlsOne more sentence made the game fit a phone screen and steer by tapping the left or right half.
  • Paste the errorWe broke the game on purpose, then pasted the console error (“reset is not defined”). It was fixed in one turn.
  • Fix it — freeOn a paid plan, when a build breaks the preview, a “Fix it — free” button can show under the newest reply. Its fix turn spends no session. Free fixes are capped per paid turn and the server checks the break first; if it refuses, nothing is charged.

Every test build, with its exact prompt and an unretouched screenshot: see the real builds.

Real builds

What came back, as it came back

Screenshot of the phone controls the engine returned
Phone controls. Prompt: Make the game area resize to fit my phone screen, and let me steer by tapping the left or right half of the screen.
Test run by the GridFlow team on 2026-10-13, Claude Sonnet 5.5, Studio, one turn. Not customer work.
Screenshot of the bug fix the engine returned
Bug fix. Prompt: The preview is not working. It shows a blank screen and the console says: Uncaught ReferenceError: reset is not defined
Test run by the GridFlow team on 2026-10-13, Claude Sonnet 5.5, Studio, one turn. Not customer work.

Plans

Plans from $15 a month for 15 sessions; quarterly saves 10%. Every paid plan builds with the same engines, and sessions set how much you build. Paid plans add publishing, image generation, your own domain and the Opus engines. Your own domain is included from Current and $10 per domain on Drift. Every account starts with 5 free sessions. Every reply shows what it cost in sessions, and a failed turn never costs you twice.

QOL · One system, infinite capabilities.