Mickey's Space Adventure

Mickey's Space Adventure is a graphic adventure computer game for a number of computer platforms. It was designed by Roberta Williams and released by Sierra On-Line in 1984. It features the Disney characters Mickey Mouse and Pluto.

Story
The plot involves an alien race losing a precious crystal that contains all of their recorded history, split into nine pieces and hidden throughout Earth's solar system. While out walking Pluto, Mickey Mouse stumbles upon a spaceship sent by the aliens and is charged with searching the planets (and several moons) for the pieces of the crystal.