Yarnys are small, adorable characters made of yarn, featured in the video game series Unravel. They are designed to represent the themes of connection and adventure, as they explore various environments while solving puzzles and overcoming obstacles. In the game, players control a Yarny as it navigates through beautifully crafted levels inspired by real-world settings. The yarn material allows the character to interact with the environment, using its thread to swing, climb, and create bridges, emphasizing creativity and resourcefulness in gameplay.