空间大作战 Space Operation

Props can be replaced: A variety of launchers can deal with different enemies. Even if one player picks up props, both parties will add them. However, in two-player mode, the game ends if 1p is destroyed. This should be noted.
Pause method: Press the Esc key to go full screen and then switch to another program.
Return to the interface: press F5
Debugging: press f1
1P only supports keyboard, 2P only supports controller.
Z confirms, X returns
Close the game: alt+f4