one a day
today: —
streak: 0
next challenge in --:--:--
The Daily Bleeding Edge
Five tiers, 365 days each, in America/New_York. Leap day replays pool day 59. Pick a track, open any day, and keep the streak.
loading today's challenge…
// 365-day archive
The calendar
Every cell is that tier's pool day. Solved days stay green on this browser.
// feeds
Subscribe to a tier
// the learning agent
Today's engine picks
three challenges built on-device from your survey + solve history.
// adaptive coaching
The agent's read on you
Every time you rate your experience, the engine recalibrates difficulty, categories, and pacing for the next batch.
// make the agent smarter
The survey
90 seconds. Anonymous unless you volunteer an email. It re-calibrates the engine that builds your challenges.
Obsessed with dailies yet?
Free tier includes the daily challenges, the engine picks, and every tool guide. Pro unlocks infinite labs.