Metroid: Other M is an action-adventure game with three-dimensional graphics.[1] Players take control of series protagonist Samus Aran, a bounty hunter who investigates a derelict space station, known as the Bottle Ship.[2]:2 The main environment is the vessel interior, known as the Main Sector, along with the other environments that are contained in "sectors" or gigantic spheres within the ship: the Biosphere, a lush, tropical region; the Cryophere, an arctic environment; and the Pyrosphere, a heated, lava-filled area.[3] The gameplay revolves around solving puzzles to uncover secrets, platform jumping, and shooting enemies. The game unfolds in a linear manner, and the in-game map highlights the next objective.[4]