Mickey’s 123 : The Big Surprise Party is a 1990 educational DOS game starring Mickey Mouse, developed by Distinctive Software and published by Disney Software. Aimed at toddlers aged 2–5, it teaches counting from 1 to 9 by having players press number keys to guide Mickey through tasks like delivering invitations, shopping, and decorating for a surprise party. Featuring VGA graphics, smooth animations, and digitized voice counting, the game combines charming visuals with interactive math lessons as Mickey prepares a celebration for a randomly chosen Disney friend