Puzzle Safari 23: That's Probably a Bad Idea is on Saturday, July 22 on the Microsoft Redmond Campus. The opening ceremony commences at 10:00 AM. All members of your team must attend or watch the opening.
(All times are Pacific Daylight Time (UTC -7 hrs))
| Opening Ceremony—building 99 or Microsoft Teams | 10:00 AM |
| Round 1 starts | 10:30 AM |
| Challenges open | 11:00 AM |
| Round 1 closes, late period for scanning extends 10 more minutes | 1:30 PM |
| Challenges close | 1:30 PM |
| Final time to scan end of round 1 QR code to avoid losing all points | 1:40 PM |
| Round 2 puzzles are available; challenges, running reopen | 2:00 PM |
| All members of team may find QR codes simultaneously | 5:15 PM |
| Puzzle solving closes, late period for scanning extends 10 more minutes | 5:30 PM |
| Challenges close—must complete the challenge by this time | 5:30 PM |
| Solutions posted, voting available | 5:40 PM |
| Final time to scan end of round 2 QR code to avoid losing all points | 5:40 PM |
| Closing, results and awards—live or Microsoft Teams | ~ 6:00 PM |