Already crossed the phase from getting your ass kicked, to kicking robot master asses? Well Megaman 9 has built-in challenges to devour your soul for those willing to get them all. You might have already unlocked some of them during your regular play through, but here it is the challenges list for Megaman 9:

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.