fly.pieter.com: a browser flight game at $87K MRR from ads 17 days after launch, coded mostly with Cursor and Claude
A free multiplayer flight game that runs in the browser and earns money from in-game ads: branded planes, blimps, billboards and UFOs.
$87,000 MRR (which is $1M ARR), 17 days after launchper month, founder's post on X, Mar 11, 2025, as claimed
- Verification
- Self-reported Number stated in a post or interview. Not independently verified.
- App type
- Games
- Currency
- US dollars (USD)
- Built with
- Cursor, Claude
- Got customers via
- X, Building in public
- Prior audience
- Very large X following: about 977K followers in Oct 2026 (source)
- Source
- @levelsio (Pieter Levels) on X, Mar 11, 2025
“Revenue update: $87,000 MRR (which is $1M ARR)... I still mostly use @cursor_ai + @AnthropicAI Claude 3.5 and trying 3.7 too now!”
Editor's note: Pieter Levels (@levelsio) is a well-known solo maker with a very large X audience, so this is not a zero-audience story. In the post he says he still mostly uses Cursor with Anthropic's Claude 3.5 (and was trying 3.7), that without AI it would have taken him 10-100x more time, and that AI-written code 'can be full of security holes' unless you explicitly ask it to check for things like XSS.
How they got customers
He built the game in public on X, posting updates and stats; brands then bought ad spots inside the game through a Stripe link, including a custom UFO for sponsor Basecamp.
Steps to try
Sell in-game ad placements (planes, blimps, billboards, UFOs) as monthly subscriptions through a simple Stripe payment link.
From the sourceMake a custom placement that fits a sponsor's story, as he did with the Basecamp UFO.
From the sourcePost revenue and player stats in public, including how few ad slots are left.
From the sourceExplicitly ask the AI to check for XSS and other security holes; it doesn't do that on its own.
From the sourceTrack renewals for a few months before treating ad subscriptions as steady recurring revenue.
Our suggestion
"From the source" steps summarize the linked post. "Our suggestion" steps are general practice from us, not claims by the founder.
Source
We summarize and link. Figures are reproduced as stated and are unaudited unless marked Verified. Founder? Request a correction or removal.
Quick answers
How much does fly.pieter.com make?
fly.pieter.com reports $87,000 MRR (which is $1M ARR), 17 days after launch (per month, founder's post on X, Mar 11, 2025, as claimed). Source: @levelsio (Pieter Levels), Mar 11, 2025. Proof level: Self-reported. Number stated in a post or interview. Not independently verified.
What was fly.pieter.com built with?
The source says it was built with Cursor and Claude.
How did fly.pieter.com get customers?
Main growth channels: X and Building in public. He built the game in public on X, posting updates and stats; brands then bought ad spots inside the game through a Stripe link, including a custom UFO for sponsor Basecamp.