STRONGHOLD is the 2016 FIRST Robotics Competition (FRC) game. It is played by two Alliances consisting of three teams each. Alliances compete and score points by crossing defences and shooting boulders into the high and low goals of the opposing teams tower of the castle, To earn additioal points, in the last 20 seconds of the game, teams  can scale (climb) up

the opposing tower to capture it.