Killer Instinct Gold (USA) (Rev 1) (日本語タイトル: キラーインスティンクトゴールド (USA) (Rev 1)) is an updated version of the classic fighting game Killer Instinct released in 1996 for the Nintendo 64. The game features the same characters and stages as the original, but with improved graphics and sound, as well as new modes and content. The game includes a new single-player mode, which allows the player to take on computer-controlled opponents in a tournament-style format. In addition, the game includes a new two-player versus mode, which allows two players to compete against each other in a variety of different matches. Killer Instinct Gold also includes new secret characters, new moves, and a new soundtrack. The game also includes a training mode, which allows players to practice their fighting skills without risking their progress in the game. With its improved graphics, new content, and improved gameplay, Killer Instinct Gold is a great update to the classic fighting game.