One small practice prompt
Daily Challenge
One familiar game each UTC day. Play at your own pace; this is your personal history, not a competition.
The daily game changes at 00:00 UTC. Reload this page after the date changes to see the next challenge.
Today
Preparing today’s game…
The challenge is selected from the UTC date and uses one of the three existing Brain Gyms games.
Saved on this device
Your daily history
0current day streak
0longest day streak
Complete a daily game and your own recent history will appear here.
Daily progress, scores and streaks stay in this browser. There are no accounts, leaderboards or population rankings.
Daily practice guide
A small challenge for today
The Daily Challenge offers one familiar Brain Gyms game each UTC day. It is a personal practice prompt, not a competition or standardized assessment.
How the daily game is chosen
A versioned seed based on the UTC calendar date chooses the same game and game sequence for everyone on that date. The selected game uses its normal rules and scoring.
Progress stays in this browser
A started or completed challenge, its date, and its game score are stored only in this browser. There is no account, server sync, public leaderboard, or comparison with other players. Clearing site data may remove this history.
Interpret your result as a personal record
Each daily score follows the selected game’s rules and may vary with hardware, browser timing, input method, and session conditions. Streaks count consecutive completed calendar days on this device; they do not measure skill or cognitive improvement.