Cyberlore Studios was a developer of computer games based in Northampton, Massachusetts, United States. The company was founded by Lester Humphreys, Ken Grey, and Herb Perez. Since 1992, they produced expansion packs for MechWarrior 4, Heroes of Might and Magic II, and Warcraft II: Tides of Darkness. They also produced Playboy: The Mansion (2004), a simulation game based on the life of Hugh Hefner and Playboy, and a PlayStation 2 version of the classic board game Risk.