Repeatable challenges

Daily play

Daily Sudoku uses the same deterministic puzzle for every player during the UTC day. The remaining games retain personal records and support immediate repeat sessions.

Daily seed

Daily Sudoku

Notes, conflict highlighting, keyboard navigation, timer, and a stable daily puzzle.

Word

Word Search

Seeded themed grid and best completion time.

Skill

Reaction Test

Five attempts, median result, and false-start detection.

Typing

Typing Sprint

Five-phrase sessions with WPM and accuracy records.

Memory

Memory Match

Moves, elapsed time, and best-result tracking.