[stateoff]

In this case he really did invent the "Realtime-RPG" that made Diablo what it is.

In his own words: https://www.youtube.com/watch?v=VscdPA6sUkc

[cortesoft]

They did not invent the 'realtime-rpg'

https://en.wikipedia.org/wiki/Ultima_Underworld:_The_Stygian...

[zaphos]

Yes, you're right -- Diablo did a lot for the ARPG genre, but if you enjoy digging through the history of games there is a ton of interesting ARPG stuff from at least the 1980s: https://en.wikipedia.org/wiki/Action_role-playing_game