NBA Jam 99 is a basketball game for the Nintendo 64 and Game Boy Color, it was released in 1998. New Jersey Nets forward Keith Van Horn appeared on the cover. Acclaim was unable to secure the license to use Michael Jordan's name or likeness, and as such he was not available as a player for the Chicago Bulls. A player named Roster Guard is available in his place. Rosters are accurate as of July 1, 1998. The game also features Kevin Harlan on play-by-play with Bill Walton as the color commentator. The Utah Jazz'Dan Roberts provides the arena announcing.
The game play for NBA Jam 99 differed in that the game featured 5-on-5 play, replacing NBA Jam's typically 2-on-2 play.