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SPG: Serial Proving Grounds

What is SPG?

Serial's puzzle hunt, SPG, is a collection of high caliber puzzles designed for teams of up to 5 players.

30 puzzles of increasing difficulty stand between you and the top spot on our leaderboard.  Does your team have what it takes?

Safe, fun and completely remote, players never have to leave their home.  Contact your fiercest puzzle solvers and play SPG: Serial Proving Grounds today.

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(425) 233-8053

Office Hours M-F 11-6

Events By Reservation Only

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