Doom!
Doom was created by ID Software in 1993!
Doom was not the first (pseudo)-3D game ever created, but it was the first I ever played.
We had a Windows 95 computer shared with the family, and at first I only knew the shareware version of Doom. That was all
I knew. I didn't know english very well yet - I am Finnish and I was very young.
I also loved Doom II, but the first episode of original Doom is always the most joy for me. Still play it to this day :)
Doom was created by ID Software with the lineup of John Romero, John Carmack, Tom Hall to a degree before he left and made Rise of the Triad, Sandy Petersen, Dave Taylor, Adrian Carmack, Kevin Cloud and music by Bobby Prince.
From left to right: John Carmack, Kevin Cloud, Adrian Carmack (back), John Romero, Tom Hall, and Jay Wilbur.
Reading recommendations:
Doomguy is the autobiography of John Romero. A very good read! I have read it once and am listening to it on audio book format at the moment.
I have yet to read this one, but it seems to be on every list.
The first novelization of the game series, called "Knee-deep in the dead". I have started this one, but haven't finished. It is great fun :D
Second game novelization. Have not read it yet, but it is on my list!
Mods
There is like a billion and one thousand seventy-nine different mods for this game, it might be the most modded game ever (based on no fact).
Check out Back to saturn X, Sigil & Sigil II and MyHouse.wad