The Infirmary was a room that was cut from Dungeon Keeper. It was in (or at least intended to be in) the game as of early 1996. Its function would presumably have been analogous to the Lair in that it would have healed creatures.
| ||Barracks / Bridge / Dungeon Heart / Graveyard / Guard Post / Hatchery / Lair / Library / Portal / Prison / Scavenger Room / Temple / Torture Chamber / Training Room / Treasure Room / Workshop|
| ||Casino / Combat Pit / Dungeon Heart / Graveyard / Guard Room / Hatchery / Hero Gate / Lair / Library / Mercenary Portal / Portal / Prison / Stone Bridge / Temple / Torture Chamber / Training Room / Treasury / Wooden Bridge / Workshop|
| ||Alchemy Room / Arena / Brick Wall / Casino / Cemetery / Chicken Coop / Dungeon Heart / Furnace Room / Outpost / Lair / Library / Material Warehouse / Creature Portal / Prison / Stone Bridge / Torture Chamber / Training Room / Treasury / Shrine / Wooden Bridge / World Portal / Workshop|
| ||Dragon Chamber / Infirmary / Kitchen / Crypt / Hive / Tomb / Summoning Chamber / Parlour|
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