GeoSports
A daily sports-geography guessing game played in the browser, in the Wordle/GeoGuessr mould.
Over $40K per month roughly three months after launch (Starter Story, 2026).
Games
fly.pieter.com
A free browser flight-simulator MMO that earns money by selling in-game ad placements (planes, blimps, billboards) as monthly subscriptions.
$87,000 MRR (≈$1M ARR) 17 days after launch, self-reported on X in March 2025.