Rusted Moss is a metroidvania with 2D pixel graphics and a side view. It has a partially open world available for exploration. There are 20 artifacts scattered around the map that provide special abilities. They need to be looked for and collected, because some places cannot be reached without using specific skills. It is also possible to upgrade the main character’s health bar. In interconnected locations there are friendly characters with whom you can chat. The arsenal includes a sniper rifle, hand cannon, machine gun, shotgun and other guns. Each of them is good in a specific situation. However, all this weaponry must first be found on the ground. The weapon has infinite ammo.

The Rusty Moss Project follows the adventures of a girl who travels through a melancholy world. It is inhabited by hostile mechanisms. Among them there are both robots and humanoid creatures. The heroine has to fight almost all of them. In addition to regular opponents, there are bosses. Fights with them take place in separate arenas. There are a total of 6 leaders in this video game with unique attack patterns. You need to find your own approach to each of them. The young woman is equipped with an elastic rope attached to a hook. This gadget allows her to fly over chasms, move quickly and climb into hard-to-reach places. Jumping and flying in the air have sophisticated and realistic physics.