The red balloon was invited to visit by his friend, who lived in Neopolis. The hero himself lived in a small town where everyone knew each other and did not leave it. But then something seemed to spur him on and he went to the metropolis. Movement in his world is carried out through portals and he took advantage of that. Which quickly carried him to the city. But then he was confused and urgently requires your help, which you can provide him in Lost in Neopolis. To get to the house where his friend lives, you need to go through several levels, passing checkpoints. To be sure, complete the tutorial level in Lost in Neopolis.