Virtual Sega Master System - Online game archive -- George Foreman's KO Boxing

Program Controls

SMS Button	Key
Up / Down / Left / Right	Cursor keys
Fire 1	Z
Fire 2	X
Start / Pause	Enter
Reset	Backspace
Full Screen	F

Gamepads work too, and phones and tablets get an on-screen pad.

About the Emulator

Games run on the WPM Master System Player, a Z80, VDP and SN76489 emulator written in JavaScript. It runs in any current browser with no Java and no plug-ins. This site was previously based on the JavaGear emulator by Chris White.

The Gamezyte Family

Gamezytethe home of the vintage games
Virtual Apple ][Apple II software online
Virtual AtariAtari 2600 in the browser
Virtual Game BoyGB, GBC and GBA games
Virtual Amstrad CPCCPC and GX4000

Other Great Websites

Apple Archives
Call-A.P.P.L.E.