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MINECRAFT

The brief: build a playable Minecraft in a single HTML file. CDN libraries allowed. One generation — whatever the model shipped is what runs below, byte for byte.

Tale of the tape — in order of generation
ModelReasoningNamed its gameFile sizeLinesLibrariesGenerated
Grok 4.5highMineClone 152 KB4,049 three.js r128 · JSZip2026-07-09
GPT-5.6 TerraUltraBrowsercraft 160 KB3,068 three.js r128 · JSZip2026-07-09
GPT-5.6 SolUltraVoxel Wilds 84 KB2,532 none — raw WebGL2026-07-10
Claude Fable 5highVoxelCraft 42 KB1,193 none — raw WebGL2026-07-11
DeepSeek V4 FlashfastDeepDig 21 KB563 three.js r1702026-07-12

GROK 4.5

calls it MineClone
high reasoning 152 KB4,049 lines survival + creativeresource-pack import
MineClone at in-game dawn: dark tree silhouettes over plains
Open in its own tab ↗ starts from its own menu

GPT-5.6 TERRA

calls it Browsercraft
Ultra reasoning 160 KB3,068 lines survivalresource-pack import
Browsercraft: forest clearing with stone pillars and a river
Open in its own tab ↗ starts from its own menu

GPT-5.6 SOL

calls it Voxel Wilds
Ultra reasoning 84 KB2,532 lines no librariescreative sandboxtouch controls
Voxel Wilds: terraced grass cliffs with the block hotbar and mining tooltip
Open in its own tab ↗ starts from its own menu

CLAUDE FABLE 5

calls it VoxelCraft
high reasoning 42 KB1,193 lines no librariescreative sandbox seed picker + savessprint + sneak + swim
VoxelCraft: oak trees on a grassy plain with beach and sea behind
Open in its own tab ↗ starts from its own menu

DEEPSEEK V4 FLASH

calls it DeepDig
fast reasoning 21 KB563 lines three.js r170creative sandbox procedural terrainday/night cycle
DeepDig title screen ready to launch the voxel sandbox
Open in its own tab ↗ starts from its own menu
These games capture your mouse while you play — press Esc to get it back. Worlds save to your browser, separately per entry. Screenshots above are real captures of each entry running.