What would you add to Super Mario Bros. X?

Look at title.

I would like to add upside-down smb3 wood slopes.

You can! Post a request in SMBX > Graphics > Requests, and someone might complete the request!

I would add the completed version of online multiplayer! where you can choose episodes and split up on world map! (go to different levels at same time)

I would add those triangle blocks from SMW that allow you to walk up walls. I would add whole new ones too so you could walk on the ceiling and such.

I would add a starman,level-time-all bosses and world map events/layers

Samus as a playable character and the SMG gravity arrow backgrounds (so that they change the gravity direcction) And maybe, just maybe flipping from 2D to 3D and back (like like in Super Paper Mario)

I'd add: Koopalings (All at once), More Blocks/Items and World Events

-All Koopalings SMB3 - SMW
- Moar Enemies on every Section
- Frog Suit - Boomerang Flower - Bowser suit
- Moar Playables

Thats all :3

I conform with the online mode and a 4 player mode like NSMBWii/U