flowchart TD A["Maze War (1973)
Steve Colley - Xerox Alto"] --> B["Spasim (1974)
Jim Bowery - PLATO"] A --> C["3D Monster Maze (1981)
Malcolm Evans - ZX81"] D["Pedit5 (1975)
Rusty Rutherford"] --> E["dnd (1975)
Gary Whisenhunt & Ray Wood"] E --> F["Akalabeth (1979)
Richard Garriott"] E --> Z["Deathmaze 5000 (1980)
Med Systems Software - TRS-80"] E --> W["Tunnels of Doom (1982)
Texas Instruments - TI-99/4A"] F --> G["Ultima I (1981)
Richard Garriott - Origin"] Z --> J["Wizardry (1981)
Sir-Tech"] E --> J G --> H["Ultima II (1982)
Richard Garriott"] H --> I["Ultima III (1983)
Richard Garriott"] E --> J["Wizardry (1981)
Sir-Tech"] J --> K["The Bard's Tale (1985)
Interplay"] J --> L["Might and Magic (1986)
New World Computing"] J --> M["Wizardry Empire (1999)
Starfish - Japan"] J --> N["Dungeon Master (1987)
FTL Games"] N --> O["Eye of the Beholder (1991)
SSI"] N --> P["Lands of Lore (1993)
Westwood Studios"] I --> Q["Ultima Underworld (1992)
Looking Glass Studios"] Q --> R["The Elder Scrolls: Arena (1994)
Bethesda"] K --> S["The Bard's Tale II (1986)
Interplay"] S --> T["The Bard's Tale III (1988)
Interplay"] L --> U["Might and Magic II (1988)
New World Computing"] U --> V["Might and Magic III (1991)
New World Computing"] style A fill:#ff9999 style J fill:#99ccff style N fill:#99ff99 style Q fill:#ffcc99 style G fill:#cc99ff