Mission Mode is an exciting addition to Mario Kart 8 Deluxe for several reasons:

1. Variety: It offers more variety compared to other modes available at that time.

2. Boss fights: Each ninth mission features a boss fight against familiar enemies like Eyerok from Mario Kart 64 or King Boo from Luigi's Mansion, making it challenging and exciting for players.

3. Solo play opportunities: Mission Mode provides solo players with numerous tasks across six levels (with an additional seventh unlockable level), offering plenty of challenges to overcome alone.

4. Local multiplayer capabilities via Download Play feature without the need for multiple cartridges or separate consoles:

5. Customization options through custom emblems that could be made using the DS's touchscreen, adding a personal touch to each player's experience.

6. Online connectivity: Mario Kart 8 Deluxe was also one of the first games in its series to offer online play, allowing friends from around the world to compete against each other.

These innovative features set Mission Mode apart and make it stand out as an unforgettable part of Mario Kart history.

Mario kart 8 deluxe ds luigis mansion