A 2.5D top-down, roguelike shooter set in a base that has been taken over by a revolt of robots. Features of Gunner-chan! Roguelike gameplay, with a different map with each playthrough. Various guns can be picked up in the base. Make use of their features and plan your strategy. There is no reloading or refilling ammunition. Even if you don't have a gun, you can utilize a beam knife for close quarter combat. Unlike twin-stick shooters, your weapon automatically aims at the enemy when within range. You're invincible while dashing. Use this to dodge enemy bullets. Acquire randomly gear from enemies to upgrade the protagonist. Save up money to buy guns and gear at the store. Once you fight a boss, you can unlock a practice mode for them. There are unlockable elements that can be carried over in easy and normal game modes. In expert mode, there are no carry over elements at all. Use only your skills as a player to break your enemies. This game is recommended to be played with a controller.