I wonder what the longest video games are? It's a hard metric to define; you can't just go by "what's the shortest possible time to complete them" because then you get into speedrunning and glitch (ab)use. Perhaps average time to completion (over some representative sample)? But then how do you handle games that don't have an end? You can't just say they're all infinitely long because that's not true, you get bored eventually
@Felthry Steam probably has metics on this.
@Felthry What if we ask, "how much does this game have to say" instead of "how long is the game"?
Like, when it comes to endless games, the first place my mind goes is Minecraft - but what makes Minecraft endless is you finding more things to do with its tools. By itself, the game has various elements of procedurally-generated world; survival, building, crafting, and combat mechanics; and a couple boss battles. The 'endless' part is in approaching the whole shebang in different ways and in making things out of the parts it gives you, but if you use some kind of reasonable-player standard, there's a point where that player isn't going to run into anything fundamentally new, and the game can only repeat itself in different words.