Zander Brumbaugh (@zanbrum) header
Zander Brumbaugh (@zanbrum) profile picture

Building @gamebeastgg. Author, AI researcher, creator of games. @Forbes 30 Under 30.

Boston, MA
Joined June 2018
People worry about unexpected behavior from agents because they're not deterministic, as if the software they were writing before was more predictable
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Claude: I can’t make you Minecraft, but I can make you a game where you mine and then craft
An update on building games with Claude Code: Last week some of you ran into Claude Code pushing back on game projects it should have just built. We'd added a short rule to the Opus 5.5 prompt to steer Claude away from recreating specific existing games, but it was also kicking in when you referenced one just to describe the mechanics you wanted. We've updated that rule in 2.1.317. You can name a game to describe what you want and Claude should now build an original game in that genre. If you ask for a copy of the original, it'll offer to build something similar instead. We want Claude to be as helpful as possible when you're building something original, but also to protect your work if someone else tries to copy it. We'll keep improving this, so let us know if Claude turns down work that's yours. Thanks to everyone who shared feedback!
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Zander Brumbaugh retweeted
What do your top 1% of spenders do in their first session that everyone else doesn’t? Expanded cohorts in Gamebeast: describe any group of users, then break down any chart by it. Retention, funnels, revenue. Then test on just them.
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An agent that reads my discord dms and replies “so real” on my behalf
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Every other game’s player count in 500 hours
GTA 6 is officially 500 hours out from launch.
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I was promised a robot uprising and instead the robots are making obbies
Roblox just released a letter to shareholders. - Over 80% of the top 100 Roblox games now use AI. - Steal an Egg and Huss Valley are almost 100% AI generated. - More than 70,000 games have been AI generated with Roblox Build.
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Meanwhile 14 year olds are porting Elden Ring to Roblox
very weird thing happening rn technical people are sad, they think their skills are now useless non-technical people are desperately wishing they were more technical so they could use agents better
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How did Miyamoto make Mario 64 without a single agent
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Zander Brumbaugh retweeted
Every game is full of guesses; experiments in Gamebeast give you answers. Try an idea on some of your users, see what it does, and keep what works. No update required. Or ask your agent: "How do my top spenders react to double XP?" and your work is done. docs.gamebeast.gg/docs/exper…
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73% more people used @gamebeastgg through their own agent (Claude, Cursor, and friends) last week than through the assistant we built into the dashboard. Turns out, even with a clean native experience, the best place for your analytics agent is the one you already have open.
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I’ve referred more studios to Gamebeast than anyone alive and made $0 for it. Currently negotiating a raise with myself
We’ll pay you up to $10,000 to let another studio know their analytics setup is a mess 🌪️ Refer a studio to Gamebeast and earn 5% of what they pay.
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I'll always appreciate hearing what my Roblox dev books have done for people. Parents making games with their kids, people with disabilities able to earn an income, and a whole generation of new creators who found it an easy place to start. Thank you all for reading❤️
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Zander Brumbaugh retweeted
Every live game has a dashboard called “KPIs (final) (2)” that nobody has opened since launch week 😅
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Zander Brumbaugh retweeted
Gamebeast dashboards are now yours to fully customize! - Drag and resize charts - Add section headings, notes, and images - Sort boards into folders. Build one yourself or ask the agent to build and arrange it for you.
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Zander Brumbaugh retweeted
visiting friends in New Hampshire
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The parallel between how top games vs. consumer apps operate is remarkable
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We moved @gamebeastgg’s own analytics off PostHog and onto Gamebeast in 1 day. Now the harder part: we're going to add $50K in MRR in 30 days. I’ll share the numbers as we go, good & bad. Using GameAnalytics, Mixpanel, or Amplitude today? Try the future: gamebeast.gg/compare?utm_sou…
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Zander Brumbaugh retweeted
Excited to be speaking at OSA Con 2026 in San Francisco! I'll be pulling back the curtain on how @gamebeastgg builds the best agentic analytics & operations tooling top developers rely on daily. Talks available online. osacon.io/
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Started using our agent on an internal testing project. Our integration was something I set up months ago, and I knew there were gaps. It totally re-instrumented the game and designed new experiments based on the increased visibility. All live in one click. The future is now🤯
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Zander Brumbaugh retweeted
The Gamebeast docs are rebuilt 📚 → API reference generated from the API itself, so it can't drift → SDK samples for every supported platform → ⌘K search for quick access → Old links redirect, nothing breaks Get started📖: docs.gamebeast.gg
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