FairyTiles is a Mahjong-style Match-3 mobile game designed to offer players a relaxing yet engaging puzzle experience. This project focuses on the end-to-end development of a casual mobile game, from market research and competitor analysis to game design, art direction, and final release. With the rise of hyper-casual and puzzle games as a dominant force in mobile gaming, FairyTiles aims to provide a visually captivating and rewarding gameplay loop. The game integrates a handcrafted 3D diorama art style with collectible Spirit Animals, each offering unique power-ups to assist players in solving puzzles. This blend of game mechanics and aesthetic storytelling enhances player immersion while maintaining the accessibility and replayability of the Match-3 genre. Built upon insights from industry research and competitor deconstruction, this project aspires to create a market-ready casual mobile experience, balancing art, narrative, and strategic puzzle-solving to keep players engaged.