It has optional 2-player co-op which is the same as the single-player game.
Joe and Mac is a platformer, originally for the arcade and later adapted for SNES, Gameboy, and PC amongst other platforms.
This page contains co-op info for Joe & Mac: Caveman Ninja on the Sega Genesis [Classics]. All information about Joe & Mac: Caveman Ninja was correct at the time of posting. Information is subject to change. If you see any errors please email us.