BattleTech: 20 Year Update (1989)

Дополнение для: BattleTech, BattleForce, BattleTech: The Fourth Succession War Military Atlas Volume 1, BattleTech: The Fourth Succession War Military Atlas Volume 2, Battletech: The Periphery, House Davion: The Federated Suns, House Kurita: The Draconis Combine, House Liao: The Capellan Confederation, House Marik: The Free Worlds League, House Steiner: The Lyran Commonwealth