Visuals
Kirby's Dream Land 3 uses a mode of the SNES termed "pseudo high-resolution" (which allows for color blending between two adjacent pixels) to blend dithered sprites.
The cartridge also takes advantage of SA-1 technology to process game data at a faster rate, which was necessary for the large number of bitmaps and special effects used by faster releases.
Read more about this topic: Kirby's Dream Land 3