"Welcome to Level 4: Space fortress a game of exploration, aliens and angry robots with lasers! After only just managed to escape Level 3, gaming heroes Rip and Mei now find themselves drifting through the galaxy in a leaky spaceship! Their only chance of escape is to follow kooky George’s impossible space mission. But first they’ll have to survive a crash landing, outrun space pirates, and battle each other in a giant arena! And all they have for help is a panicky robot with a snowman obsession! Can Rip and Mei pull off George’s outrageous plan to save themselves, and everyone else trapped inside the game?"--Website.