Here is a list. Chances are high that I do miss a few.
- Seasons
- PokéStar Studios
- Join Avenue
- Dream World
- Pokemon World tournament(Though stated to be Unova exclusive)
- Easy Mode/Challenge Mode
- Entralink
- Funfest missions
- Memory Link
- Battle Subway(also seems to be a Unova special)
- Gems(Only the normal gen can be found in Pokemon X/Y as of now)
- Lock Capsule
- Sport domes
- Pokemon Musicals
- The Relocator(Used to transfer event Pokemon)
- The Lock Capsule(Used to obtain Snarl in gen 5)
- The Unity Tower(All people you encountered through WiFi would appear in this building)
