The first video game with stereo sound

Hardware

CPUs: Motorola 16-bit 68000, 7.159MHz and Intel 8-bit 6502A, 1.789MHz
Yamaha 2203, 3.5MHz and Pokey 1.7MHz chips for stereo sound and speech
RAM: ??kB
ROM: 440kB
Resolution: 336x240
Colours: 256 out of 16-bit palette

James Watt's Marble page
Pictures of the ultra-rare Marble Madness II

Hermanni's games