When: October 15, 2016, 10:00am – 6:00pm. Where: Arlington, VA. DCPHR (pronounced “decipher”) stands for DC Puzzle Hunt Race. $80/team (3-5 players). Registration is open online and closes on October 5.

When: Oct 10-18. Where: online. 25 puzzles, released in 5 daily groups, Monday to Friday, starting Monday, Oct 10, 18:00 Australian EDT. Registration for teams open online since Sep 12. The first annual mezzacotta Puzzle Competition – a successor to the CiSRA Puzzle Competition ran from 2007 to 2013.

All days start at 11:30am local times. UC Berkeley, Berkeley, CA – Sep 10; CMU, Pittsburgh, PA – Sep 24; MIT, Boston, MA – Oct 1; Stanford, Stanford, CA – Oct 9; UW, Seattle, WA – Oct 15. The 6th Annual Palantir Puzzlehunt. Come help monitor elections in the land of Fairie as it attempts to transition into a democracy.

When: Oct 8, 2016: 11:00am-6:00pm EDT; Oct 9, 2016: 11:00am-6:00pm EDT. National Mall, Penn Quarter, and Chinatown in Washington, D.C. A cosmic escapade inspired by Firefly and Serenity. $60/team (1-6 players) per day, or $100/team for both days. Register by September 30.

When: Tuesday, September 13, 2016. Where: 37 cities across three continents: North America, Australia + New Zealand, and Europe. A FREE, monthly, casual puzzling event. The location puzzle is revealed on Friday, September 9. Solve puzzles with friends while drinking and eating!

When: Tuesday, August 9, 2016. Where: 37 cities across three continents: North America, Australia + New Zealand, and Europe. A FREE, monthly, casual puzzling event. The location puzzle is revealed on Friday, August 5. Solve puzzles with friends while drinking and eating!

Where: Jul 21 – Aug 19, 2016. Where: online. The ORDER OF 10 is a secret society of scientists, artists, and inventors who push the boundaries of what is possible. ORIGINS is a celebration of some of the greatest discoveries in computational history. Each week for 4 weeks a new challenge is presented.

When: Tuesday, July 12, 2016. Where: 35 cities across three continents: North America, Australia + New Zealand, and Europe. A FREE, monthly, casual puzzling event. The location puzzle is revealed on Friday, July 8. Solve puzzles with friends while drinking and eating!

When: July 24 & 31, 2016. 2:00pm – 8:00pm. Where: Downtown Walnut Creek. A short format puzzle event presented as a Bay Area Night Game (BANG). For teams of 3-4. Fee: $80/team. Requirement: at least one cellular device with ClueKeeper application, Internet access and a functional camera.  Rain or shine.

When: Saturday, July 16, 2016, 1:30pm – 7:00pm PDT. Where: San Francisco, CA. The Wake: 2 hours – search a room for clues. The Race: 3 hours – run across San Francisco searching for clues. Teams: 2-20 people. Tickets: $0-$300. Secret Meeting Location – 2 weeks before the event to everyone who has an Eventbrite ticket.

When: Saturday July 16, 10:00am – 8:00pm. Where: campus of UC Berkeley, California. A puzzlehunt in which teams of up to 10 will compete. Register a team online. Registration closes July 4.

When: June 12, 12:00 pm – 5:00 pm. Where: Landmark Center at 75 West 5th Street, Saint Paul, MN 55102. $5/Spectator, $20/Individual, $50/Team. Walk-in registration is available beginning at noon.

When: Tuesday, June 14, 2016. Where: 34 cities across three continents: North America, Australia + New Zealand, and Europe. A FREE, monthly, casual puzzling event. The location puzzle is revealed on Friday, June 10. Solve puzzles with friends while drinking and eating!

When: July 7-10, 2016. Where: Salt Lake City Marriott City Center, Salt Lake City, Utah. Last day to book: June 18, 2016. An annual Convention of The National Puzzlers’ League.

When: Sat, June 25, 2016, 10:00am – 6:00pm; and Sat, July 9, 2016, 10:00am – 6:00pm. Where: downtown San Mateo. Bring in: paped, pens/pencils, clipboards, a smartphone with the ClueKeeper software installed. Ticket: $50/team (3-5 people). At the moment a waiting list is available only.

When: June 18, 2016, 1pm EDT / 10am PDT. Where: online. Please, register in advance. The competition pages will be updated with more relevant info 1-2 weeks before the competition.

When: August 11-14, 2016. Where: Salem’s historic Hawthorne Hotel, Salem, MA. An event for jigsaw puzzle collectors, cutters, and enthusiasts. Registration – online. On August 14, 1-4pm – Puzzle Fair, free and open to the public.

When: June 11, 2016, 9:30am – 1:00pm. Where: North Lawn of the Capitol, 11th and L streets, Downtown Sacramento, CA. An information-based puzzle scavenger hunt on foot. Ice Cream Edition. For teams. $25/person. Ticket sale – online till June 9 only. No sale afterwards.

When: May 19: 6:30p / 9:00p; May 20: 7:30p / 10:00p; May 21: 10:30a / 1:00p / 4:00p / 6:30p / 9:00p; May 22: 10:30a / 1:00p / 4:00p / 6:30p. Where: San Jose Woman’s Club at 75 South 11th Street, San Jose, CA 95112. A 1.5-hour Real Escape Game. Teams of 6 players. $27.37/player. Produced by SCRAP.

When: Sunday, May 22, 2016. Where: the Walter E. Washington Convention Center, Washington, DC. The annual brainteaser competition held by The Washington Post Magazine. Thousands come downtown to solve head-scratcher puzzles and vie for a $2,000 grand prize — and to watch the inventors, Dave Barry, Tom Shroder and Gene Weingarten.