Bal Cube, as an arcade game, likely involves a ball ('Bal') and cube-shaped gameplay elements. Without further context, we can only speculate that this might entail either puzzle-solving, using the cube to manipulate the ball, or even a physics-based game where the player controls the movement of a ball through a landscape made up of cubes. The specific developer, release year, and exact gameplay mechanics are not easily found without additional research.

Bal Cube

Bagman (version on Moon Cresta hardware set 2)