1. An Easy Target test stage.
2. Make DK faster.
3. PAUSING IN A MATCH.
4. Timer on Target Test
5. Stickers or unlockables for every 10 matches you beat. AKA Replay Value.
6. Side Specials.
7. Guarding and Rolling.
8. Make Luigi's B faster.
9. Debuff Bowser's power.
10. Debuff Wart's projectiles.
11. Increase speed of Fawfuls Down B.
12. Unlockable Moves.
13. More Colour swaps.
14. Add The Goomba as a playable character.
15. Online Mode.
16. An option to speed up the credits or allow a character to move around destroying names.
17. More in the credits.
18. More Sound effects for (SPOILERS) Geno
19. Controlling WwwWario's Up B.
20. A better arranged Character Select Screen.
21. More Bosses.
22. Add Assist Trophies.
23. More costumes rather than just colours.
24. More unlockable stages NOT unlocked by unlocking a character. (what a mouthful)
25. SHY GUY OR RIOT