OLD M is another Super Mario adventure game. Jump into the most challenging platformer. Conquer all the levels and become the master of the 3 worlds. Collect as many coins, keys, and diamonds as you can in order to unlock new levels and chests. Watch out for all the enemies across the levels. Some can be killed but some can not. Perform as good as you can and be the best OLD M in the game. Click to play the game free online now! Have a good time!