The myths about Odin and Thor are true! Your late friend Professor Euphemius Brown has found the irrefutable proof: The way to Asgard!
His last message to you, however, does not bode well: "Ragnaröck is coming! Our world will end! Only the power of Thor's hammer Mjölnir can prevent this! Find him and bring him back to earth!" Now it's up to you and time is running out!
Minimum age: 14 years (possible from 10 years accompanied by adults).