27 games
78RuneScape
2001 · Android, Browser +6
Jagex
70BatMUD
1990 · Linux, Windows +2
60DragonSpires
1996 · Windows, iOS
GemStone IV
1988 · Browser, Linux +2
Simutronics
Island of Kesmai
1985 · MS-DOS
Kesmai
3Kingdoms
1992 · Android, Linux +4
- ATHEMOO
ATHEMOO
—
AVATAR MUD
1991
- AberMUD
AberMUD
1989
Alan Cox
Achaea, Dreams of Divine Lands
1997 · Browser, Linux +3
Iron Realms Entertainment
Ancient Anguish
1992 · cross-platform
- DikuMUD
DikuMUD
1990 · Legacy Computer
Discworld MUD
1991 · Linux, MS-DOS +3
- Diversity University
Diversity University
1993 · cross-platform
- Dragon's Gate
Dragon's Gate
1990 · cross-platform
- Elendor
Elendor
1991 · cross-platform
FurryMUCK
1990 · Windows, cross-platform
GodWars
—
- LambdaMOO
LambdaMOO
1990 · cross-platform
Pavel Curtis
LegendMUD
1994 · cross-platform
Lost Souls (online game)
1990 · Android, Linux +4
- MicroMUSE
MicroMUSE
1990 · cross-platform
- MorgenGrauen
MorgenGrauen
1992 · cross-platform
Realms of Despair
1994 · Linux, Windows +1
The Shadow of Yserbius
1993 · MS-DOS
Ybarra Productions
TubMUD
1990 · cross-platform
Xyllomer
1991 · cross-platform