You find yourself in a colorless ruin of some kind of long lost realm. You need to search a way back to the Color Kingdom, your home. Pass through the ruins, completing the challenges of each room. Enemies and machine guns will try to stop you! Don't let them touch you, or your journey will come to an end. Survive each room, escape by collecting the key and exiting through the door. But, this lifeless place is full of secrets. Fruits can be collected as a nice treat and some challenge. And if you explore it very well, you may find some hidden gems.

https://armorgames.com/play/18966/colorless-ruins