Wheelin' Wallie is a single-player casual and arcade game in which players control Wallie and his wheel across horizontally scrolling levels, collecting dots and avoiding enemies. In this game, the player guides Wallie and his wheel through various obstacles and enemies in a side-view environment, with the goal of reaching the end of each level while accumulating points from dots and flashing dots. It stands out with its unique mechanic where Wallie is separated from his wheel, floating above it, and both move together unless Wallie moves upward, in which case the wheel remains on the ground. The game features timing-based challenges such as water hazards, moving platforms, and enemy avoidance, requiring precise control and quick reflexes.