Aquajack is an arcade game with at least two known versions: one released in Japan and another in the US. This suggests potential regional differences in gameplay, graphics, or even the overall storyline. More detailed information would be required on the developer of the game and the release dates for each region. The variations in release between US and Japanese versions hint at differences in localization, which might encompass changes to the game's language, cultural references, or even gameplay aspects to suit the targeted audiences.

Aquajack (Japan)

Anteater