Mickey's Adventures in Numberland

Mickey's Adventures in Numberland (referred as Mickey's Adventure in Numberland on its cover) is an educational Nintendo Entertainment System game starring Disney's Mickey Mouse.

Gameplay
Mickey must collect all of the numbers from one to ten in order to prevent the evil Pete from completely robbing Numberland. The five levels are: Number City, Number Factory, Space Center, Number Museum and Pete's Hideout. Basic math questions must be answered in order to progress to the next level. There are three difficulty levels, players can only "die" on the hardest difficulty level. The player is given balls of bubblegum to be used against enemies as a weapon.