Abstract: A plurality of vertically adjustable squares on a game board assembly having 1) a game board frame assembly provided with a bottom wall section and side wall sections defining an open cavity therebetween; and 2) a plurality of actuator square assemblies mounted within the open cavity of the support base assembly of the game board frame assembly. The bottom wall section has a plurality of actuator support openings therein to receive and support a respective one of the actuator square assemblies therein. Each actuator square assembly includes 1) a stationary block support assembly with a stationary tube member having a lower end anchored in the respective actuator support openings in the bottom wall section; 2) a movable support tube assembly mounted about the stationary tube member and being vertically movable thereof; and 3) a movable game square member secured to and supported on a respective one of the movable support tube assemblies.