- Who
- Muckleshoot Casino
- What
- 3,173 people
- Where
- United States (Auburn, WA)
- When
The largest slot machine tournament involved 3,173 participants in an event organized by Muckleshoot Casino with support from Everi Games Inc. (both USA), in Auburn, Washington, USA, on 30 April 2016.
The event was organized in celebration of Muckleshoot Casino's 21st Anniversary.