Gipfelsturm.
Built entirely on my phone with Forge and Claude Opus 5.5.
No PC. No studio. Just a Pixel and a prompt.
It started as my snowboard game. Now it's a full mountain run.
And the promo video? Forge and Opus 5.5 made that too.
#Forge #ClaudeOpus #GameDev #Android https://t.co/kf0GAQUyAx