Tetris

Tetris is the most elegant game design in history. Seven shapes, one objective, infinite depth. Alexey Pajitnov created something so fundamentally satisfying that it transcends language, culture, and technology. It has been ported to every platform ever created and remains as addictive today as it was in 1984. When the Game Boy launched with Tetris as its killer app, it proved that gameplay purity beats graphical fidelity every time.