Built this tower stacking game. Opus 5 wrote the full physics without any game engine.
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A developer created a tower stacking game called highrise.lol, where players drop floors from a crane to build a tower. The game's physics were entirely written by Claude Opus 5, without the use of any game engine. A significant challenge during development was fine-tuning the tap mechanics to balance difficulty, ensuring it wasn't too easy or too strict. The game is free to play and requires no signup.
So I built this small game called highrise.lol with Claude Opus 5. A crane carries a floor across the screen, you tap and it drops, stack it straight and you keep going, stack it bad and the whole tower tips over.
I didn't plan it to be this big honestly. I thought it will take 2 days and it took way longer.
The hardest part was cheating. There is a leaderboard so anyone can just tell the game they scored a million, and I had to figure out how to actually check every score instead of believing it. This took most of my time btw.
Second hard part was the feel of the tap. Too easy and it's boring, too strict and people quit after 6 floors. I changed this so many times I lost the count.
Opus 5 wrote most of the code. It was best at the tricky parts which I would have got wrong and not noticed for weeks.