Bokosuka Wars / ボコスカウォーズ (X1 - 1983, MSX, PC-88 - 1984, PC-98, FM-7, PC-6001 - 1985)
Cover art (Source: mentioned by the game director on Twitter)
Bokosuka Wars II / ボコスカウォーズII (PS4, Xbox One - 2016, Switch - 2020)
Main visual (Source: mentioned by the game director on Twitter)
Bokosuka Wars
Bokosuka Wars II