Chitei Tairiku Orudoora

A side-scrolling platformer developed and published by SunSoft for the Famicom Disk System. It is the third entry in a series of educational math games. Chitei Tairiku Orudora ("Underground Continent Orudora") is a Famicom Disk System action platformer from SunSoft and the third part of their Chinou Game Series, each borrowing an existing NES game's model (in Orudora's case, Atlantis no Nazo) a...