Operation Keystone (video game)
1986 video game
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Gameplay
Operation Keystone is a game in which the player is in command of the Gato-class submarine USS Tang against the ships of the Japanese Navy.[1]
Reception
Mark Bausman reviewed the game for Computer Gaming World, and stated that "This reviewer found Operation Keystone to be an excellent game that maintains a good feel of real-time combat activity."[1]