In Unlock. Kids, the youngest players will find three cases from the bestselling escape game in a version specifically designed for children. Three extraordinary stories full of puzzles, riddles, and surprises, with materials and rules tailored for young puzzle enthusiasts and tinkerers. No app is needed to play Unlock. Kids. Thanks to the easy-to-play tutorial, there is no need to read any rules. What makes it special is that there are two endings for each adventure, allowing the cases to be solved anew.