Go-Jin Senki is a tactical RPG game published by Tonkin House that takes place in a fantasy world where some evil forces controls some giant robots that they used to conquer all the lands, and the game begins in the ruins of the main character town after being attacked by those robots, and is there is the burning ruins of what once was her home when she realized that she got to fight againts that evil army to recover their land and regain peace again. During the game some other people will join his party to help her in her quest.

The gameplay is the classic in a tactical RPG game since the player got some units in each game mission and each unit got a limited range of movement for each turn and the player can choose between different physical and magical attacks to defeat all the enemies in each mission.