The story in Archer Maclean's Mercury revolves around guiding a blob of mercury through various mazes. Your objective is to run over color markers, which will change the color of your blob to progress through the levels. Some areas require you to split your mercury and combine it with another color.
The gameplay in Archer Maclean's Mercury involves tilting the game world to navigate the mazes. You'll need to collect color markers, avoid hazards like conveyor belts and jagged corners, and manage your blobs effectively to progress through each level.
The PSP edition of Archer Maclean's Mercury features 83 increasingly difficult mazes, requiring you to adapt and improve your strategy as you progress.