crux.grok.me

Crux is a studio for clearer seeing — assay claims, calibrate forecasts, and walk into cognitive traps on purpose.

doodoku.grok.me

Doodoku — a 9×9 sudoku with Studio, Doodle, Void, and Slate skins.

sudokuvs.grok.me

Head-to-head Sudoku. Same puzzle, two clocks. Classic race or battle strikes.

math-terms.grok.me

A math checklist along the 0–11 learning roadmap — pronunciation, explanation, and a worked example for each idea.

axi0m.grok.me

Reason from physics. A first-principles thinking instrument.

cross-sweeper.grok.me

CROSS CROSS 交点 二本の指で、交わるマスを開く。 1 上と左の帯に、同時に指を置く。 2 線が交わるマスが、即座に開く。 3 旗は使わない。数字は周囲の地雷数。 はじめる 9 × 9 · 地雷 10 0 / 0

leaf-yellow-kind-brush.grok.me

Seeded hard minesweeper: flag-linked numbers, X spectate share, cheer items

catdoku.grok.me

Three soft pastel cat brain teasers: Cat Doku, Meow Flood, and Meow Match.