>>41163592I mean if you want to get technical;
> Gen I- Post-Game Dungeon (Cerulean Cave)
> Gen II- Post-Game Dungeon (Mt. Silver)
- Super Boss (Red)
- Battle Tower (Crystal)
- Post-Game Region (Kanto)
- Post-Game Plot
> Gen III- Post-Game Dungeon (Sky Pillar (RS))
- Super Boss (Steven (E))
- Battle Tower (RS)/Battle Frontier (E)
- Post-Game Legendaries
> Gen IV- Post-Game Dungeon (Stark Mountain)
- Battle Tower (DP)/Battle Frontier (Pt)
- Post-Game Legendaries
- Post-Game Plot
- Post-Game Areas (Battle Island, Lunar Islands, Seabreak Path)
> BW Gen V- Post-Game Dungeons (Giant Chasm, Challenger Cave)
- Super Boss (Alder, Cynthia)
- Post-Game Legendaries
- Post-Game Plot
- Post-Game Areas (East Unova)
> B2W2 Gen V- Post-Game Dungeon (N Castle Ruins)
- Super Boss (Alder, Cynthia)
- Battle Tower (Black Tower/White Treehollow)
- Post-Game Legendaries
- Post-Game Areas (South Unova, Icirrus City)
- Post-Game PWT
> Gen VI- Battle Tower (Maison)
- Post-Game Legendaries
- Post-Game Plot
- Post-Game Location (Kiloude City)
> Gen VII- Post-Game Dungeon (Resolution Cave)
- Battle Tower (Tree)
- Post-Game Legendaries
- Post-Game Plot (Varies between SM and USUM)
- Post-Game Areas (East Poni Island)
I think that was everything for each generation I might've forgotten something though but in general it's not like every generation has been consistent in this and the more recent generations have felt like a step down in that regard mainly due to that lack of that significant Post-Game environment to explore.
