← HT HUBDAILY TOURNAMENT 
Today's Challenge
One game. One leaderboard. Resets at UTC midnight.
NEXT CHALLENGE IN
19:57:36
Strategy
⚫Reversi
Othello with 4 AI tiers — flip discs to dominate the board
Controls: Tap an empty square showing a ghost disc to place. Tap a different position to change your mind.
Today's Top 10
Scores submitted on 2026-08-11 (UTC) for Reversi. Only scores recorded with the new tournament tag are eligible — older scores are excluded.
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Yesterday's Winners · Pong
No results from yesterday's challenge (Pong).
Weekly Champions
Combined points across the last 7 daily challenges. Win-count breaks ties.
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This Week's Lineup
The next 7 daily challenges (rotation locks at UTC midnight).