宠我一生 is a free social simulation game designed for iPhone users, allowing players to adopt and care for a virtual pet. Users can customize their pet's appearance by selecting various traits such as gender, head shape, body type, and ear style. The game features an array of continuously updated skins and home furnishings to enhance both the pet's and the player's living space.

The gameplay is designed to be casual and non-intrusive, encouraging users to interact with their pets without disrupting daily tasks. Players can feed and care for their pets daily while also engaging in social aspects, such as visiting a plaza to view other players' pets and collaborating with friends to protect their homes from small monsters. This creates a sense of community and companionship within the game.