A shortcut to difficult mode has been added.
Not all graphics are unchanged, as it mostly affects the sprites, but this should be good enough for people who didn’t like the new ones.
This was responsible for the weird collision issues in v1.0 (yeah, it wasn’t the sprites). They are mostly the same size as the originals. That includes issues in the original game, especially noticeable in 3-2 (hard mode). Super Mario Land DX is a romhack of the original Super Mario Land for the Game Boy that turns the game into a Game Boy Color game.