Cirrus@Austlit

'Welcome to Level 4: SPACE FORTRESS--a game of exploration, aliens and angry robots with lasers! After only just managing 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 Georges 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 Georges outrageous plan to save themselves, and everyone else trapped inside the game?' (Publication summary)