A video walkthrough about the level
Introduction
The Catacombs is the alternate version of The Caves, added in the Wrath of the Lamb expansion pack.
However, this level is much harder than its original counterpart.
Rooms
Regular Room
Catacombs 1: 9-12 rooms| Catacombs 2: 11-14 rooms| Catacombs XL: 20-26 rooms
Treasure Room
Catacombs 1: 1 room| Catacombs 2: 1 room| Catacombs XL: 2 rooms
Boss Room
Catacombs 1: 1 room| Catacombs 2: 1 room| Catacombs XL: 2 rooms
Cursed Room
It's possible for this room to appear on any floor.| Note: This door will damage the player for a full heart damage (both entering and exiting).
Arcade Room
It's possible for this room to appear on any floor (except Catacombs 1).| Note: This room will only spawn if the player has at least 5 coins while entering the floor.
Shop
Catacombs 1: 1 room| Catacombs 2: 1 room| Catacombs XL: 1 room| Note: The player can buy items here with coins.
Challenge Room
It's possible for this room to appear on any floor.| Note: This room will only open if the player has full health while entering the floor.
Boss Challenge Room
It's possible for this room to appear on any floor.| Note: This room will only open if the player has one full red heart or less remaining.
Devil Room
This room has a chance to spawn after defeating a boss.| Note: The player can exchange hearts for much better items here.
Angel Room
This room acts similar to the Devil Room. However, it might replace it.| Note: The player can get some effective items here for free.
Secret Room|Super Secret Room
This room is not visible in the map without some specific items. However, the player can reveal it by bombing the middle part of a wall.