70s-Style Robot Anime Geppy-X is a fast-paced, side scrolling 2D shooter designed as a tribute to Japanese mecha anime of the 1970s. Set in the year 197X, the story revolves around defending Earth from the invasion of the Space Demon Empire and their gigantic war machines Space Beasts. To fight back, players control the top-secret robot GEPPY-X, switching in real time between three distinct combat forms that balance speed, power, and functionality.