User Summary Doraemon, Nobita and their friends have travelled to ancient times in a time machine and have fun exploring. Nobita finds a bunch of gems and brings them back to show his friends. Upon seeing them Doraemon warns that he shouldn't have taken them and tells him to put them back...but it is too late in a flash the 5 friends and transported to a alternate world called Kuristeka and spread througout the lands. You must help the friends re-unite and find a way back to their own world.