Minecraft is the perfect game. Although, of course, perfect is a very subjective word, I think that no matter how you look at it, Minecraft simply fits all the adjacent definitions and interpretations of "perfect". Not only because of its influence on the game industry as a whole or how it forever changed the standard for sandbox games (and not only) but also due to its complex simplicity. There are barely any games that come to mind that can sound as contradictive as this other than Minecraft, but the truth is that those words are the best way I find to describe it. It's a game where you can do everything and nothing. It's a game where you can build or destroy. It's a game where you can make your objective to be dying as many times as you are capable of, or to engage in hardcore gameplay, and never die at all. It's a game to play alone, with friends, with family, or even strangers. It is built on whatever you wish it to be and nothing more. The core gameplay lacks complexity and your objectives are, basically: NONE. You are free to create as much as you want, however, you want, and that is simply beautiful.
More than a game, it is a creative outlet for all types of people. And to be able to be all of that and more with gameplay as complex as placing blocks here and there is truly impressive.
Minecraft is a neverending experience, that marked a lot of people's childhoods and will continue to do so as long as it exists. It is perfect. It is beautiful. It is for everyone and anyone, and that is why you should play it at least once in your life.