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I have very fond memories of the Bard Tales Trilogy (1985 - 87) and the Eye of The Beholder Series : hand drawn maps !!
Most played are Baldur's Gate 2, Nevewinter Nights, Betrayal at Krondor and Lands of Lore.
In my game library you can also find some unknowns as The Shadow of Yserbius or Descent to Undermountain etc....