- PHP Agency LLC
- 540 people
- United States (Reno,,Peppermill Hostel and Casino)
The most people playing checkers simultaneously is 540 at an event organized by the People Helping People Agency (USA) in Reno, Nevada, USA, on 8 February 2014. The record was achieved at the conclusion of the annual sales convention for the PHP Agency in Reno, Nevada, that featured guest speakers and awards.