A grass-cutting frog named Derek, from Ropuka's Idle Island, is a desktop pet developed by Moczan, Little Chmura, and Begoña Pereda. The game allows users to customize Derek's environment and offers gameplay where he cuts grass until he needs to rest. Players can enhance game features using the grass collected, and there are various cosmetic options available for customization. The game creates a relaxing atmosphere, complemented by lo-fi music and ambient sounds. Recent updates have introduced new items, and the game is available for a low price.