Jazz Jackrabbit 2 Plus (JJ2+) adds countless features and bug fixes to both Single Player and Multiplayer gameplay within JJ2, and is used almost universally by most serious players. It has much better network code than the original game, adding console.
Jazz Jackrabbit 2 is the long awaited sequel to the most popular DOS shareware platformer game of 1994! Play as Jazz or his little brother Spaz on the quest to rescue Eva Furlong!