Upload the round's .xlsx files in play order, then enter each workbook's password below. The number of files sets the number of puzzles. Leave empty to keep the current set.
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Tommy Hilfiger · Calvin Klein
Hackathon 2026
Round 1
10 workbooks — each answer unlocks the next · most solved wins · the clock settles ties
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Hackathon 2026 — Round 1
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Starts on your first download
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