Part one: What is the best game to come out of the 80s?

Part two: What is the best game to come out of the 90s?

Part three: What is the best game to come out of the 00s?

This is the fourth part of the series. This is eventually all going to get compiled into one megathread for people who want gaming recommendations from Chapos specifically. Other decades (70s) and consoles will come in sporadic subsequent threads.

Expanding on your choice is definitely a plus.