Expendable, released in 1999 for the Sega Dreamcast, is an arcade-style shoot 'em up game. It features a futuristic setting where players take on the role of a super soldier fighting against an alien invasion. The game is known for its intense action and cooperative multiplayer mode, allowing two players to tackle missions together. Its fast-paced gameplay and responsive controls were typical of the genre during that era. With a variety of weapons and power-ups to collect, players must blast through levels and defeat challenging bosses to save humanity.