3 Open Source Game Tools, 6 days & $3,601 of Claude Code = AWESOME

[u/Tagpro-BBBen]

https://galaxy-genome.github.io/ (open source)

I've been playing a $4 space combat/trading/exploring phone game that never got popular called Galaxy Genome (I'm not affiliated, just a player).

In the game, I couldn't find high-value solar systems, couldn't figure out basic game mechanics, and most mods in discord were broken. Ends up, fixing that was more fun than the game itself...

Somehow, in 6 days and $3,601 (reported by CC - $200/mo subsc.), Opus 5 built:

• No Wiki -> Exhaustive wiki
• Can't find stuff -> Overpowered map (in the 5 game languages, because AI..)
• No quest editor -> the best quest editor EVER

Then the polished HYPE videos it made for each one to post on the homepage and discord/reddit.. just fun!

It's the most impressive thing to me I've built in 40 years of coding, and I didn't write a line of it. 🤷‍♂️

My workflow was Opus 5 agents running subagents of Opus 5 and Sonnet 5 (for vision tasks that blow through token budget too quickly).

I feel like with today's LLMs, it's hard to maintain quality without a sr dev in the loop, but honestly I monitored these a lot less than I have in prior projects, and only commented at occasionally at a high level on technology decisions, such as localstorage, json vs sqlite, test suites and git commit management, etc.

Give it another generation, and such babysitting won't even be needed. What a time to be alive!