[2] The object is to earn more gold by winning matches and spending that money on better weapons like rifles, missile launchers, and flamethrowers.

[2] Robots can be traded in for money (gold) if updating them is impossible.

[5] Players must deliver newspapers for a tiny stipend in order to resume competing after a loss.

[6] The beta version of Head Buster had a different readout of the battle along with more complicated terrain types.

Players would have to develop their robots literally from the ground up in the unfinished version while robot models were already fully assembled in the finished version.