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A one-month-old Roblox guessing game, built with Claude handling much of the code, that its developer says earns about $12.5K a month from 2.1M visits.
2.1M visits in the first month · ~2,000 average and 3,000 peak concurrent players
Claude wrote "a lot of the systems" and the game hit 2.1 million visits in a month — but the same video shows a YouTuber using the same AI shortcut and earning zero Robux. The five-second premise is what earned the players.
Fewer bars = easier, cheaper, or faster for an AI-assisted solo builder. Editorial judgments based on the case details.
Guess the Job or Die is a Roblox game from a developer called Mosey, launched about a month before he was filmed for a compilation on Roblox earnings. In that month it peaked at 3,000 concurrent players, averaged around 2,000, and passed 2.1 million total visits. Mosey puts its revenue at about $12,500 a month. He built it with heavy AI help, saying Claude handled a lot of the game's systems. The game sits inside a larger shift. One developer built a full Roblox game with Claude in 1 hour and 14 minutes; another says he can ship eight games a day; Roblox Studio now accepts an MCP connection that lets Claude see a game, read its scripts and change them. The counterexample appears alongside it: a YouTuber who tried the AI shortcut on camera made zero Robux. The difference the successful developers name is the concept: something instantly understandable, with enough systems layered on top to give players reasons to stay, come back and spend. Guess the Job or Die's title explains the game before anyone clicks. The money runs on Roblox's rails: players buy Robux (800 for $10), Roblox keeps 30% of in-game spend, and developers cash out through DevEx at $0.38 per 100 Robux.
For a guessing game like Guess the Job or Die, the first thousand players come from Roblox's discovery feeds, and the premise does the selling: a kid scrolling the home page understands "guess the job or die" without a tutorial.
The quick-reference card — acquisition channels, replication playbook, and risk map — is members-only.
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Data credibility: Mosey states the player counts, 2.1M visits and the ~$12.5K/month estimate himself, in a clip inside a creator-edited YouTube compilation. No Roblox analytics export or DevEx statement is shown, the figures cover the game's first month, and revenue is not broken down by item or by gross Robux versus cash-out.
A Roblox game's first dollar is a Robux purchase inside the experience. Players buy Robux at 800 for $10, Roblox keeps 30% of in-game spend, and DevEx pays $0.38 per 100 Robux, so roughly $2 of every $10 a player spends reaches the developer.
Roblox's algorithm shows a game to more players when its players stay and come back the next day, and reaching 2.1 million visits in the first month means Guess the Job or Die caught that loop early. For a game in this format, build the three loops the successful developers describe.
A new Roblox game can look dead for days. Zyonic, another solo Roblox developer, watched his game fall from 900 concurrent players to 300 and thought he had thrown away a $24K offer for 70% of it.
The rest of this breakdown — 9 more sections — is in the Unicorn Club, with every section of all 1,292 ideas: first customers, first dollar, the flywheel, and the silent stretch.
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