Escape From Tethys is a side-scrolling retro Metroidvania about a scientist exploring a mysterious planet. The events of the game will take you to the hostile planet Tethys, where an ancient evil has awakened in the depths. You will play the role of a scientist who was responsible for developing a powerful weapon just for such a case. As you progress, you will explore the mysterious and dark world of Tethys in order to find a way to escape from this ominous planet.