Buy Dudus from the shop, drag them onto your half of the board, then press Fight and they battle on their own. Three of the same Dudu merge into a stronger ★2, and three ★2 make a ★3. There are 29 Dudus in five classes (Guard, Ranger, Mage, Rogue, Support) and six teams (Kingdom, Night, Kitchen, Rescue, Legend, Cosmic). Put different Dudus of the same class or team on the board to unlock traits. Winning drops item components. Put two on the same Dudu and they combine into a full item: 15 recipes, from a revive to dodging, frenzied attack speed, a burning hotpot and armor-breaking hits. A rare Prismatic Shard turns a component into a trait emblem. Rounds 4, 9 and 13 open the Dudu Carousel, where five Dudus circle the board, each carrying an item, and you grab one. Rounds 2, 6 and 11 offer silver, gold or prismatic augments, such as Lucky Star (lose for a while, then cash in big), Shadow Doll and Golden Luck. Most rounds also bring an event, a shiny Dudu in the shop gives you two, and Guards take part of the damage aimed at the allies next to them. The bosses have tricks of their own: the Mountain Ogre throws a Dudu to your back row, the Shadow Fox charms your strongest Dudu, and the Moon Nightmare sings Dudus to sleep. At level 9 the shop starts showing 5-cost legends: Fortune God, Frost Emperor, Seraph and Dragon Slayer. A 4- or 5-cost Dudu at ★3 is twice as strong again. Survive 15 rounds and beat three bosses: the Mountain Ogre, the Shadow Fox, and the Moon Nightmare. After that there's an endless mode. Your run is saved on your phone, so you can close it and come back. The Dudus and monsters are the hand-drawn sprites from the Y Build app. The cover illustration was generated with AI from those sprites. The sound effects come from the Y Build app, and the background music was generated with AI.