Looney Tunes: The Video Game

NES

 * December 2, 1985 - NES
 * December 9, 1988 - G&W
 * December 4, 1989 - GB
 * December 12, 1990 - NES Special Edition
 * December 1, 1991 - SNES
 * December 11, 1993 - Super FX
 * December 13, 1994 - SNES Special Edition
 * December 8, 1995 - VB
 * December 10, 1996 - N64
 * December 19, 1997 - Super FX Special Edition
 * December 18, 1998 - GB Special Edition
 * December 6, 1999 - GBC
 * December 14, 2000 - N64 Special Edition
 * December 3, 2001 - GBA
 * December 5, 2001 - GCN
 * December 17, 2003 - GBA Special Edition
 * December 16, 2004 - DS
 * December 15, 2005 - GCN Special Edition
 * December 7, 2006 - Wii

Plot
Elmer Fudd has trapped the Forgotten Five (Buddy, Gabby Goat, Cool Cat, Merlin The Magic Mouse, and Sam Sheepdog) in a cage.

NES Build 1000 to NES Build 2000

 * Due to a change in branding, the logo was altered

NES Build 2000 to NES Build 3000

 * Ralph The Wolf has been replaced with Sam Sheepdog due to Ralph The Wolf looking too similar to Wile E. Coyote
 * Buddy was originally going to be Bosko, but due to the stereotypes of the character, he became Buddy

NES Special Edition to SNES

 * New 16 Bit Graphics
 * New Music
 * Elmer Fudd's hit sound "Ooh" has been removed

SNES Special Edition to GBA

 * Honey Bunny was replaced by Lola Bunny
 * Archival voice clips of Mel Blanc have been added
 * The final level made brighter to accommodate the lack of a backlight
 * The cutscenes have been replaced with FMVs

N64 Special Edition to DS

 * Models compressed
 * Audio compressed
 * New touch screen features
 * LAN multiplayer
 * Several textures updated