Castles of Mad King Ludwig Expansions 2eEXPANSION FOR: CASTLES OF MAD KING LUDWIG Castles of Mad King Ludwig Expansions includes every previously released expansion for Castles of Mad King Ludwig and a new one, all compatible with the 2nd edition. Renovations: Rework your castle with special double room tiles that are placed directly on top of existing rooms. Towers: Special rooms that provide an additional end game reward. Moats: Surround your castle for extra VPs for each of your rooms.