Pokemon Emerald is a game made in 2004. We are currently in 2023. How is it possible that Emerald still remains the best and most content rich Pokemon game almost 20 years later?

>Battle Tower
>Battle Factory
>Battle Dome
>Battle Arena
>Battle Pike
>Battle Pyramid
>Battle Palace
>Contests
>Secret Bases
>Trainer Hill
>Safari Zone
>Minigames (Slots, Roulette, Berry Blending)
>A beautiful region
>You can dive underwater
>Memorable locations like the Abandoned Ship, Sky Pillar, etc.

How does Emerald do it, guys?