Effective: March 2026 · Sponsor: The 5am Lab
The 5am Lab ("Sponsor"). Contact: luke@5amlab.org.
Open to legal residents of the United States who are 18 years of age or older at time of entry. Employees of the Sponsor and their immediate family members are not eligible. Void where prohibited by law.
No purchase necessary. Alternative entry: send an email to luke@5amlab.org with subject "Daily Sudoku Entry — [DATE]" and include your name. One alternative entry per person per day.
One (1) winner per day will receive a $10 electronic gift card (Amazon or equivalent), delivered via email within 48 hours of the prize period ending. Approximate retail value: $10 USD. Prize is non-transferable and has no cash equivalent.
The entry with the lowest completion time for that day's puzzle, submitted before 11:59 PM Eastern Time, will be selected as the winner. In case of a tie, the entry submitted earliest will win. Sponsor reserves the right to verify scores.
Each daily prize period begins at 12:00 AM and ends at 11:59 PM Eastern Time. A new prize period begins each day. Maximum one prize per person per calendar week.
Email addresses collected will be used solely for prize delivery and, with consent, for marketing communications from The 5am Lab. We will never sell or share your email with third parties. You may unsubscribe at any time by emailing luke@5amlab.org.
By entering, you consent to your name and puzzle time appearing on the public leaderboard. No other personal information will be displayed.
All disputes will be resolved by binding arbitration in Michigan. Governing law: State of Michigan.