Sullen is a fast-paced, challenging platformer set inside of a circle. Your ultimate goal is to work through all of the levels and defeat the sullen eye that relentlessly attacks you. You assume control of a small pentagon and must dodge, jump, and shoot your way to victory.

Sullen is a fast-paced, challenging platformer set inside of a circle. Your ultimate goal is to work through all of the levels and defeat the sullen eye that relentlessly attacks you. You assume control of a small pentagon and must dodge, jump, and shoot your way to victory.