Animal Merge: Upgrade the Zoo is an entertaining simulation game designed for Android platforms. Players embark on a synthesis journey within a vibrant fantasy animal world, where the objective is to merge identical cute animals to create higher-level creatures, culminating in the legendary 'king of the beasts.' The game combines engaging gameplay with various challenges and surprises that keep players interested and motivated.

At the start, players will see a random assortment of adorable animals on the screen, which can be manipulated by sliding. The synthesis mechanic allows players to merge adjacent animals to form more advanced ones, while scoring is based on the level of the synthesized animals. The game introduces obstacles like frozen animals and specific synthesis conditions, adding layers of strategy and challenge. With its charming visuals, innovative mechanics, and diverse challenges, Animal Merge offers a unique gaming experience that appeals to fans of simulation games.