Quoted By:
Me:
Vs. Seeker returns
DexNav or equivalent feature returns
Ball Seals
Custom Pokeballs
Change Pokeballs
Black/white register menu
Following/Riding Pokémon
overworld encounters
Pokemon World Tournament
Better ai with refined movesets, switching/held items
E4 (5 Pokemon) using strategy over simple monotype teams
10 Gyms
Safari zone
Contests
Battle Frontier
Game Corner
Underground
Pokélathon
Photomode/Snap Mode (can turn in pics for money, items etc.)
Poke Pelago but expanded, something like Pokemon Ranch or a Digimon farm.
Bigger more challenging dungeons w/puzzles and secret items, hidden paths etc.
3-5 Mt. Coronet sized dungeons
Less emphasis on the box legends being living breathing gods and lessening their roles in the story
A ton of Sidequests
Online multiplayer minigames
Online quick tournaments (best of 8, best of 16)
Legendary Trainers (LGPE got this right)