Originally shared by Yi Yao
Archive.org released massive amount of classic MAME ROMS for free
The collection is made available by an army of volunteers updating information about each of the hundreds of game cartridges. Sound is still not enabled, but is coming soon. The main consoles covered are the Atari 2600, Atari 7800, Coleco ColecoVision, the Bally Astrocade, and Magnavox Odyssey 2.
I love the idea of playing some vintage Donkey Kong. The only problem with me is that the MAME (Multiple Arcade Machine Emulator) is 42.8GB and I only have about 100GB left on my computer D: