Phobos

A cyberpunk adventure game developed by Himeya Soft for the PC-98.

In the future, mankind successfully colonized Mars. However, the colonists eventually wished to be independent from Earth's control, and as a result a war began. Martian colonists used armored combat androids in battles.

Eventually an uneasy truce was achieved, but Martian economy was badly damaged by war, and the planet became de facto dependent on Earth to survive.