Level 43:
 - Screens 0-2, B, C, 13: A few more enemies would be nice.

Level 10A:
 - Screens 11-14: A few more enemies would be nice.

Level 46: 
 - A few too many power-ups.

Level 10:
 - Screen 10: 4-Second Platform bounces on the ground when it reaches 0 and then falls off.

Level 48:
 - Screens 3, 4, 7-9: A few more enemies.
 - Screen 10: The cape gives some weird GFX when forcing Mario down or flying with open cape.

Level 1A:
 - Message 1 needs to have a "," after "to my dungeon".

Level 1B0:
 - Screen 1: Pillars on the left and right side of the rightmost bullet bills make the firing strange and appear behind them.
 - Screen 6 Column D, Rows 0-5 & Column F, Rows 9-C: Some of the walls don't work right.

Level 4B:
 - Screens 3-4: The thwomps are shifted over the right by one square.

Level 13D:
 - Dialogue (Guardian): "What have we here;" should be "What have we here,"
 - Dialogue (Mute): "Koopa Guy;" should be "Koopa Guy,". On "You see", add a comma after "see". The word "apart" should be "a part". Remove the first "apparently". On "Mario was l" it should be "Mario was,"
 - Dialogue (Guardian): "I see; so" should be "I see. So,". The word "your" should be "you're". Add the word "have" after "warrior I".
 - Dialogue (Guardian): Add a hyphen in the word "non-confidently".
 - Dialogue (Mute): Change "my defense;" to "my defense,". Add a comma after "normal to me"
 - Dialogue (Mute): Change "here to request" to "here on request".
 - Dialogue (Guardian): Change "rid of it;" to "rid of it,"
 - Dialogue (Mute): Add a comma after "Personally". Change "plan either;" to "plan either,"
 - Dialogue (Guardian): Add a period after "Hmm". Add a comma after "I understand". Change "I may not" to "I cannot".
 - Dialogue (Guardian): Add a period at the end of "to go pass".
 - Dialogue (...): change "size of Mute;" to "size of Mute,".
 - Dialogue (Mute): Add a period at the end of "myself in to.)" Change "in to" to "into".