Super Mario Bros.

Super Mario Bros. is a platforming game Nintendo Entertainment System released in 1985 that can be played in by interacting with the unobtainable Super Mario Bros item.

Gameplay
In Super Mario Bros., the player controls either Mario (player 1) or Luigi (player 2), who set out to rescue Princess Toadstool from Bowser. The game consists of eight worlds, each containing four side-scrolling platformer levels.

In
In, the Super Mario Bros item is unobtainable without the use of memory editing.