Games and Creativity · Tabnews · 🇧🇷 Brazil
Making a multiplayer shooter with AI alone
A developer built a Counter-Strike-style FPS in about 10 days, using Claude for all the code.
- Profession
- Developer, Game Designer
- Tools
- Claude
- Source
- tabnews.com.br ↗
- Country
- 🇧🇷 Brazil
- Report date
- July 16, 2026
- Verified on
- October 24, 2026

What they did
He developed a multiplayer shooter and opened a beta for testing.
How it went
According to the author, it took about 10 days, with 100% of the code written by Claude.
Good to know
Multiplayer requires attention to cheating and server costs; test with friends before opening it up.
The prompt
Let's build a [genre] game prototype for the browser. Start with just movement and camera, explain each file to me, and wait for me to test before moving on to the next feature.
Replace what is in [brackets]. Prompt written by us from the account, not a literal copy of the source. Do not paste other people’s personal data (privacy laws such as LGPD and GDPR apply).
Summary in our own words. Results as stated in the original account; we have not tested or audited them. Read the source ↗ Found a mistake?
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