To shoot, hold down your mouse. There are three gamemodes, 1 is the easiest and 3 is the hardest. Setting difficulty changes the movement and spawning of enemies. Difficulty level 1 and 2 are easy, as they spawn in enemies really slow and they enemies move in a slow, straightforward way. Difficulty level 3 and 4 are hard, as they spawn in enemies continuously very fast and the enemies move in a fast, unpredictable way Your rocket's machine gun also operates slower. Changing rocket costume will change your rocket. Here are the gamemodes- 1- Move mouse to move spaceship, hold down to shoot. Enemies come from the top and you only have to shoot them in one direction. 2- Move mouse to point in its direction, hold W or up arrow key to move in the direction you are pointing in. Hold down mouse to shoot. 3- Move mouse to point in its direction, use WASD or arrow keys to move. Hold mouse to shoot. Overheating mechanic- If you shoot for too long, your spaceship will explode. Heat should not go above 150.
