Broken Sword 1, I must have been about 11 years old. No game has stuck with me more and I still go back and play it from time to time. A timeless classic.
I've never been as hyped up for a game than waiting for Broken Sword 2
which was also fantastic.
Next was Monkey Island 3, once I completed that I discovered the classic oldies like BASS, Full Throttle, Flight of the Amazon Queen etc
Cant wait for Broken Sword 5, its going back to 2D as all adventures should be.