Double-tap on the edge of the playing surface (just before the frame). This gesture will prompt the player drawer.
Currently, up to eight-player drawers can be created on Gameboard. Each player can then sign in as a guest or scan the QR code via the Gameboard Companion app on their smartphone.
Note: Terraforming Mars requires all players to join via mobile device as cards are displayed & controlled via the mobile app.
We are currently working on standardizing this process for all games.