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 rapidly sets and clears all 3 emphasis bits to flash the screen when going into a battle screen or the menus by pressing start or select.
• Final Fantasy II (J) rapidly sets and clears all 3 emphasis bits to flash the screen.
• The Immortal uses all 3 emphasis bits to dim the entire screen.
• James Bond Jr uses all 3 emphasis bits to dim the entire screen.
• The Jungle Book uses all 3 emphasis bits to dim the entire screen.
• Just Breed uses all 3 emphasis bits to dim the entire screen.
• The Lion King (E) 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.
• Super Spy Hunter sets all 3 emphasis bits when the game is paused. The Japanese version, Battle Formula, doesn't do this.

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.
• Munchie Attack by Memblers dims the screen upon Game Over.

Romhacks

• Rockman 4 Minus Infinity (during Brightman's stage) darkens areas farther away from Mega Man.

References

• BBS topic
• BBS topic #2