I've played the heck out of Zelda games (N64 and before), and I played the heck out of GTA San Andreas (ironically when I was playing it, casually driving the country side and seeing the redwood trees, I do recall thinking it was the greatest game of all time), but I (and I think most people) aren't going to go back and play those games, because there is actually a maxed out point of those games where you literally have done everything. You can get a bit more out of them with speed runs, but they, like other open world/story driven games, do have a finite shelf life. With mods some of those games can be extended like Skyrim, which I have put 100s (if not over a thousand) hours into and bought like 4 times across multiple platforms. But it's shelf life is still limited, unlike, what I'd argue, with Tetris. (There are arguments along those lines to be made with multiplayer games though - one could arguably get satisfaction out of playing something like Overwatch forever - and I'd put that game in my top 100 - but that genre argument falls apart with modernization)
I have no idea what to say my highscore is on tetris since the game varies widely across platform and more importantly 'sub genre', which breaks down between "Classic tetris" and "Modern tetris".
Classic Tetris was what most experienced on Gameboy (and then every other pre-modern platform), with its most important feature, differentiating it from modern Tetris, being the fact that pieces locked the moment the piece hit the playing field. Modern Tetris has banking pieces, and most importantly, it allow you to move the piece forever as long as you keep moving it. As someone who cut his tetris chops for years on classic Tetris, the modern game allows me to pretty much play infinitely. So it's not really a matter of what my high score is these days, it's an issue of how how long I am willing to play endless marathon for, before I have to go do other things. I've actually considered going for the highscore on endless marathon on Tetris effect (the most amazing tetris game ever, especially in VR - I can actually feel the latency decrease in VR that playing in non-VR actually feels slow now... a half a millisecond is real), but the consideration isn't about skill, but about whether I want to play a single game for around 80 hours.