Description: "Space Fighter" is a vertical scrolling flight shooting game. The player controls the protagonist fighter to fight the enemy in the universe. Players can control the game through keyboard, keyboard+mouse or joystick. Players can get diamonds by destroying enemy planes, and diamonds can be used to upgrade the protagonist's fighter planes in the supply station. The types that can be upgraded include the number of bullets, the power of bullets, cannons, shields, large-scale attack weapons and so on. When the player hits the enemy plane, he can gain energy. After the energy is full, the main gun and auxiliary gun of the fighter will be upgraded. After the level reaches the maximum, the protagonist fighter will enter the state of blood. Players can upgrade element technology, open element cannon and element skills. When the elemental energy is full, the elemental skills can be released. When the energy of various elements is full, different elemental skills and combined elemental skills can be released.