FAT40 and Orion made a VIC20 version of the game Island of Secrets. This is a adventure game and was originally written by Jenny Tyler and Les Howarth. To play the game you need VIC20 with a 24K RAM expansion or the VICE emulator. Besides the game itself also the manual, clues, map and the original book are available for download. As a bonus the adventure is in 40 columns!