Mario Kart DS/Level 6

Mission 6-1
Simply use  instead of  to move and use  to go left and  to go right. This way you'll make across the spinning bridge. Just don't fall off!
 * Description: Drive backward across the spinning bridge! If you fall, you're out!
 * Course: Bowser Castle- The spinning bridge
 * Character: Bowser
 * Time: 30 seconds
 * Walkthrough:

Mission 6-2
Drive around, get stars from item boxes and hit the Rocky Wrenches as they pop out of the manholes. Be careful though, because they're sneaky!
 * Description: Get Stars and run over 15 Rocky Wrenches!
 * Course: Airship Fortress- the upper deck of the ship
 * Character: Wario
 * Time: 55 seconds
 * Walkthrough:

Mission 6-3
This is a simple race across Choco Island 2. The first three coins are situated at the shortcut over the chocolate, and there is a mushroom to allow a boost across it. The only real challenge is the pool of chocolate. Don't acclerate and turn, because that could lead to drifting away from the coins.
 * Description: Collect all 30 Coins!
 * Course: Choco Island 2
 * Character: Yoshi
 * Time: 45 seconds
 * Walkthrough:

Mission 6-4

 * Description: Destroy all 10 item boxes!
 * Course: Block Fort
 * Character: Mario
 * Time: 2 minutes
 * Walkthrough:

This mission is actually slightly easy. Each time an item box is broken, it will give Mario a mushroom. The key to completing the mission is to look at the map to see where the item boxes are, use each mushroom to catch up to them, and quickly break them, because they don't stay in one place for too long!

Mission 6-5

 * Description: Drive through all 8 numbered gates in order!
 * Course: Sky Garden
 * Character: Peach
 * Time: 50 seconds
 * Walkthrough:

Mission 6-6

 * Description: Perform 14 power-slide turbo boosts in 1 lap!
 * Course: Yoshi Circuit
 * Character: Yoshi
 * Time: 1 minute
 * Walkthrough:

Power slide along curves, and don't hit the walls. The pihrana plants are gone, so it is easier to turn. Any expirirenced driver will be able to turn with ease. Practice powerslides, then give this mission a try.

Mission 6-7

 * Description: Collect all 40 coins!
 * Course: Tick-Tock Clock- Clock area
 * Character: Toad
 * Time: 1 minute and 30 seconds
 * Walkthrough:

This is a take-your-time mission. All 40 of the coins are situated around the clock of Tick-Tock Clock in the shape of a star, complete with eyes. 34 form the star, while the other six form the eyes. Do not hesitate to use boost pads, because it is easy to go back and get coins. The only thing to worry about are the clock hands. A collision with them will make Toad spill some of the coins he has collected. Avoid them and go where they aren't at.

Mission 6-8
NO TIME LIMIT
 * Description: Reach the finish before Peach!
 * Course: Peach Gardens
 * Character: Bowser
 * Walkthrough:

Boss Fight

 * Description Use Mushroom boosts to hit Cheif Chilly and knock him off the stage 3 times!
 * Course: Water Arena (name based on surroundings)
 * Character: Luigi
 * Time: 5 minutes
 * Walkthrough: