1st level difficulty: There are three horizontal rows of coins, and Mario must collect fifty of them. The coin layout on this level is similar to that of the secret area in Donut Plains 1 from the original game, which might have been the intended reference.
2nd level difficulty: There are alternating groups of three coins, and Mario must collect thirty of them.
3rd level difficulty: There is a large zigzag of coins, and Mario must collect twenty of them. Sometimes, a group of coins reading "NINTENDO" or "THANK YOU" appears instead.
In Super Mario Advance 2, the 2002 remake of Super Mario World for the Game Boy Advance, the secret area in Donut Plains 1 gives an incentive to collect as many coins as possible, similarly to the coin counter featured in this microgame.