Mulle Meck is a builder and handyman who builds thing of all sorts of bits of pieces. The player helps him through various little adventures to find stuff he can use for his constructions.
In this game in the series, a meteorite has crashed and the small village Djupforsen has got "space fever". So this time he builds a rocket from all sorts of parts in order to collect fact about space. cars and travels around in them searching for more parts he can use for improvements.