Colour-emphasis games

The following is a list of games which make use of PPU register $2001's colour emphasis bits (D7 to D5):

Commercial

• Felix the Cat uses all 3 emphasis bits to dim the entire screen
• Final Fantasy 1
• James Bond Jr uses all 3 emphasis bits to dim the entire screen
• Just Breed uses all 3 emphasis bits to dim the entire screen
• Magician uses all 3 emphasis bits to dim the entire screen
• Noah's Ark (E) uses blue emphasis combined with grayscale mode to put part of the level underwater
• Rockman 4 Minus Infinity romhack during Brightman's stage to darken areas farther away from Mega Man
• The Jungle Book uses all 3 emphasis bits to dim the entire screen

Homebrew

• Wall by Chris Covell uses a blue emphasis to simulate the water flooding the wall.
• Graphics editor by Damian Yerrick allows applying a SCREEN TINT to the picture.

References

• BBS topic