WiiWare World bring you the Mega Man 9 challenge list:
01 Waltz - Clear the game in 120 minutes or less.
02 Tango - Clear the game in 90 minutes or less.
03 Jitterbug - Clear the game in 60 minutes or less.
04 Bust a Move - Don't miss with the Mega Buster and clear the game.
05 Headbanging - Defeat 8 bosses without your helmet.
06 Bunny Hop - Clear any stage jumping 50 times or less.
07 Mr. Trigger Happy - Clear the game with more than 500 Mega Buster shots.
08 Double Trouble - Visit all stages twice and clear the game.
09 Mr. Perfect - Clear the game without getting damaged.
10 Invincible - Clear the game without dying.
11 Almost Invincible - Clear the game without continuing.
12 No Coffee Break - Clear the game without using any energy or mystery tanks.
13 Air Shoes - Clear the game without falling into any holes.
14 Mega Diet - Clear the game without picking up more than 8 energy pellets.
15 Encore - Clear 4 stages using the same special weapon.
16 Peacekeeper - Clear the game by defeating the fewest number of enemies possible.
17 Conservationist - Clear the game by using the least amount of weapon energy possible.
18 Farewell to Arms - Clear 4 stages without using a special weapon.
19 Gamer's Day - Clear the game 5 times in 1 day.
20 Daily Dose - Clear the game once a day for 3 days.
21 Whomp Wily! - Clear the game once.
22 Truly Addicted! - Clear the game for the 10th time.
23 Truly Hardcore! - Clear the game for the 30th time.
24 Conqueror - Defeat your 100th enemy.
25 Vanquisher - Defeat your 500th enemy.
And 25 more when you follow the link...