The full list is as follows:
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.
26 Destroyer - Defeat your 1000th enemy.
27 World Warrior - Defeat every type of enemy.
28 Trusty Sidearm - Defeat the 8 bosses with the mega buster.
29 Pack Rat - Collect 999 screws.
30 Valued Customer - Purchase all items.
31 Shop a Holic - Purchase 30 items or more.
32 Last Man Standing - Defeat all bosses with only one pixel of energy left.
33 Survivor - Defeat one boss with only one pixel of energy left.
34 Hard Rock - Reach a boss' room without getting damaged.
35 Heavy Metal - Reach a boss' room without shooting.
36 Speed Metal - Reach a boss' room without stopping once.
37 Fantastic 9 - Accumulate 9 lives.
38 Fully Unloaded - Hit a boss with all special weapons before defeating it.
39 Blue Bomber - Defeat a boss without getting damaged.
40 Eco Fighter - Defeat a boss with only the mega buster.
41 Marathon Fight - Fight a boss for 10 minutes.
42 Quick Draw G - Defeat Galaxy Man in 10 seconds or less.
43 Quick Draw C - Defeat Concrete Man in 10 seconds or less.
44 Quick Draw S - Defeat Splash Woman in 10 seconds or less.
45 Quick Draw H - Defeat Hornet Man in 10 seconds or less.
46 Quick Draw J - Defeat Jewel Man in 10 seconds or less.
47 Quick Draw P - Defeat Plug Man in 10 seconds or less.
48 Quick Draw T - Defeat Tornado Man in 10 seconds or less.
49 Quick Draw M - Defeat Magma Man in 10 seconds or less.
50 Quick Draw X - Defeat the final boss in 180 seconds or less.
You can start crying now. This little lot makes the Xbox 360 achievements look like a walk in the park.
Thanks to both our faithful readers Worrybomb and x.SuperMario.x for sending the list in to us.