Space Invaders, a classic arcade game, was ported to the Playstation. The game's history stretches back to the late 1970s, where it became a global phenomenon.  Gameplay involves shooting down descending alien invaders.  The Playstation version was likely a port of the original arcade game, retaining the core gameplay.  Taito, the original creators, were likely involved in the porting process.  The European and Japanese releases highlight variations in release dates or regional content.

Space Invaders (Europe)

South Park - Chef's Luv Shack (USA)