My online was about 1992 so ya'll had me beat,I knew about it just being in the military we couldn't own our own computer
Around 1985 our neihbor a full bird col. In the air force had comp (it cost more than a new car he said)
We played an adventure game for hours on end
The white text told a story"you are in center of room with 4 doors" ...mmmm...okay "open north door" "it is locked"..mmm. okay "unlock door and open"
"A boogie man comes out and eats you,restart game"
And so on,we would have to walk to were ever,hell it would take an hr or 2 to walk to a castle