Once Ardan successfully land the shell on the moon , he must solve a series of puzzles on the surface in order to gain access to the hidden civilization below . There he encounter the Selenite race . Following this , Ardan focus on finding a way to leave the moon and report his findings to Earth . After acquiring what he need , Ardan travel back to Earth in the shell . He land in the ocean and manage to swim to a nearby island , where he meet another famous Jules Verne character , Captain Nemo .