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Pi Day – Puzzlethon
March 24 @ 1:00 am – April 13 @ 11:59 pm

Think fast. Solve smarter. Win prizes The 2026 IEEE Global Puzzlethon: Diamonds in the Rough is live! Solve puzzles ✅ Build skills ✅ Win prizes 🎁 Join 8,000+ IEEE Puzzlers on IEEE Collabratec and compete with top badge holders worldwide. Play now