Once Upon A KATAMARI invites players into a vibrant and nostalgic adventure filled with rolling fun. Set across various historical epochs, players control a katamari to gather objects and restore the stars. The game features a brand-new soundtrack and innovative tools like a magnet to attract nearby items, enhancing the rolling experience. Players will enjoy traversing unique stages reflecting different eras, from the Jurassic period to historic Japan, making each level visually distinct and engaging.

Customization is a significant aspect of gameplay, allowing players to choose from 68 different cousins of The Prince, each with customizable colors and designs. Furthermore, the game includes a competitive element with a 4-player KatamariBall mode, where players can compete against friends or AI opponents, either online or offline. This blend of creativity, nostalgia, and competition makes Once Upon A KATAMARI a delightful addition to the gaming library.