Able Astronaut - Version 2.8 The classic game of space invaders in a new guise, with colorful graphics, bombastic sound effects and spectacular explosions. And at the end of the level you will meet a powerful boss, and you must find the key to its defeat. This take is far more complicated than the old space invaders on NES. This game for the real hardcore player.The classic game of space invaders in a new guise, with colorful graphics, bombastic sound effects and spectacular explosions. And at the end of the level you will meet a powerful boss, and you must find the key to its defeat. This take is far more complicated than the old space invaders on NES. This game for the real hardcore player.The classic game of space invaders in a new guise, with colorful graphics, bombastic sound effects and spectacular explosions. And at the end of the level you will meet a powerful boss, and you must find the key to its defeat. This take is far more complicated than the old space invaders on NES. This game for the real hardcore player.