Challenges

14 prompts. Replayable packs carry a hash and a download; referenced comparisons link back to their source.

ChallengeCategoryDifficultyModelsEst. costPublished
Three arcade classics in 3D — Kimi K3 vs Claude Fable 5ReferencedGamesHard2not measuredJul 29, 2026
Besiege Earth — low-poly planet in one HTML fileReferencedGamesHard2not measuredJul 28, 2026
Halo — Blood Gulch 5v5 in the browserReferencedGamesBrutal2not measuredJul 27, 2026
Drift District — three-lap arcade racerReplayable packGamesHard3not measuredJul 27, 2026
Jelly Jungle — 3D jungle runReplayable packGamesBrutal4not measuredJul 27, 2026
Call of Duty in the browser — Claude Code vs Codex CLI on one promptReplayable packGamesBrutal2not measuredJul 26, 2026
Repair Cart — five bugs, one test suiteReplayable packRepairMedium1$0.08$0.08Jul 25, 2026
Wobble Rush — 3D obstacle courseReplayable packGamesHard3$1.58$9.39Jul 25, 2026
3D destruction physics — tornado, wrecking ball, truss bridgeReferencedFrontendHard4not measuredJul 24, 2026
Lumen Tank — fluid simulationReplayable packFrontendBrutal2$31.9$31.9Jul 24, 2026
Dofus Retro — Coin des BouftousReplayable packGamesHard3$0.51$18.7Jul 23, 2026
Warcraft 3 — mini RTSReplayable packGamesHard2$4.81$18.5Jul 23, 2026
Counter-Strike 2 — clone it in the browserReferencedGamesBrutal4not measuredJul 10, 2026
Sterrelicht — a stargazing lodge landing page, in one promptReferencedWebsitesHard2not measuredMay 4, 2026