Hacha Mecha Fighter

There are two different versions of Hacha Mecha Fighter. Those can be distinguished by the size of the NMK logo (the smaller the older) on the title screen.

In the older version of the game, Rank increases at a slower rate (every 34 seconds) compared to the new version (every 17 seconds). Other changes include a shorter distance of the left side enemy kill point from the left edge of the screen (Old Version: -4px; New Version: -20px). This results in objects despawning on the left side of the screen slightly earlier in Old Version.