Sonnet 5.5Launch week

Minecraft-style game in 19 minutes

A procedural world with biomes, caves, water, day/night cycle, and block building/breaking, made in one prompt with 3,288 lines of TypeScript.

@jeffbruchado 1

[ Receipts ]

As reported by the creator. Blank means not reported.

Cost
$3.24
Build time
19 min
Tools
TypeScript
Model
Sonnet 5.5
Category
Games
Filed
Sep 29, 2026
On X
10

From the post

Claude Sonnet 5.5 just one shot a Minecraft style game one prompt, no follow ups. procedural world, biomes, caves, water, day and night, building and breaking blocks, all running in the browser 19 min, $3.24, 3,288 lines of TypeScript. this is real gameplay https://t.co/7kuT0vSVYY

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