Submarine/Bataille navale (PC-50x Family)
Submarine (PC-50x Family) also known as Bataille navale [France] is a submarine space invader style 1-player game for the PC-50x console and clones of said console, the cartridge number is listed as 505 referring to the 50x's fifth released game, enemies ships above actually had AI movement and could shoot down at your ship, sounds were that of bleeping noises and the controls were that of movement of your ship and a single button as the main button for shooting at enemy ships in this game.