New operating system only runs Tetris

Tetris-OS is an operating system that has just one job: to run Tetris, Alexei Pajitnov's classic puzzle game, and run it well. The creator, jdh, specifies…

Features:° It's Tetris.° 32-bit (x86)° Fully custom bootloader° Soundblaster 16 driver° Custom music track runner° Fully hardcoded tetris theme° Double-buffered 60 FPS graphics at 320×200 pixels with custom 8-bit RGB palette

Here's a video explaining the development of this epic computer science milestone: