Themed room

The following information pertains to an upcoming version (NetHack 3.7). If this version is now released, please verify that it is still accurate, then update the page to incorporate this information.

Themed rooms are rare rooms that are unlike normal rectangular rooms. There is a 33 in 1033 chance (approximately 1 in 31) that the game will attempt to place a themed room instead of a normal random room. Some themed rooms are simply unusual shapes, while others have contents unlike those that appear anywhere else. Some themed rooms can be further transformed into special rooms.

List of themed rooms

Name	Can be special	Normal room contents	Map	Notes
Normal random room	Yes	Yes		A common rectangular room.
Fake Delphi	Yes	Yes		A 11×9 room with a 3×3 room in its center, imitating Delphi.
Room in a room	Yes	Yes		A random room with a random subroom
Huge room	Yes	Yes		A very large room, with a 90% chance of containing a subroom.
Ice room	No	Yes		The floor is covered with ice.
Boulder room	No	No		Each floor space in the room has a 30% chance to have a boulder or rolling boulder trap.
Spider nest	No	No		Each floor space in the room has a 30% chance to have a web, with a giant spider sitting on it.
Trap room	No	No		Each floor space in the room has a 30% chance to have a trap. All of these traps will be of the same type, and they may have corpses and possessions on an eligible level. They can be arrow traps, dart traps, falling rock traps, bear traps, land mines, sleeping gas traps, rust traps or anti-magic fields.
Buried treasure	Yes	Yes		There is a chest buried in the floor, containing 3d4 random objects.
Massacre	No	No		There are 5d5 player monster or quest guardian corpses on the floor.
Pillars	No	No	------------ |..........| |..........| |..--..--..| |..--..--..| |..........| |..........| |..--..--..| |..--..--..| |..........| |..........| ------------	The pillars will be lava 1/7 of the time, water 1/7 of the time or trees 1/7 of the time.
Statuary	No	No		There are 5d5 statues and d3 statue traps.
Light source	No	No		The room is always dark, containing a lit oil lamp.
Temple of the gods	No	No		There is an altar of each alignment. The room is not an actual temple and does not contain a priest.
Mausoleum	No	No		A square room with a 3×3 subroom in the center. There is a 50% chance that there will be a basic lich, demilich, mummy, vampire or zombie sealed in the centre of the room; otherwise there will be an @ corpse. There is a 20% chance that the centre will have a secret door; beware.
Random dungeon feature	No	Yes		At the centre of the room is a cloud, lava, ice, water or a tree. The room will always have an odd width and height so that there is an exact center point.
L-shaped	Yes	Yes	-----    |...|    |...|    |...---- |......| |......| |......| --------	There are four rotations of this type of room.
Blocked center	Yes	Yes	----------- |.........| |.........| |.........| |...}}}...| |...}}}...| |...}}}...| |.........| |.........| |.........| -----------	A 9×9 room with the central 3×3 spaces filled with lava (70% chance), walls (15% chance) or water (15% chance).
Circular, small	Yes	Yes	---    --.--  --...-- |.....| --...--  --.--    ---
Circular, medium	Yes	Yes	-----    --...--  --.....-- |.......| |.......| |.......| --.....--  --...--    -----
Circular, big	Yes	Yes	-----     ---...---   -.......-  --.......-- |.........| |.........| |.........| --.......--  -.......-   ---...---     -----
T-shaped	Yes	Yes	-----       |...|       |...|    ----...---- |.........| |.........| |.........| -----------	There are four rotations of this type of room.
S-shaped	Yes	Yes	--------    |......|    |......| ----......| |......---- |......| |......| --------	There are four rotations and reflections of this type of room.
Cross	Yes	Yes	-----       |...|       |...|    ----...---- |.........| |.........| |.........| ----...----    |...|       |...|       -----
Four-leaf clover	Yes	Yes	----- ----- |...| |...| |...---...| |.........| ---.....---   |.....|   ---.....--- |.........| |...---...| |...| |...| ----- -----
Water-surrounded vault	No	No	}}}}}} }----} }|((|} }|((|} }----} }}}}}}	The room is not connected to the other rooms, but may appear adjacent to a corridor. It can generate alongside an actual vault. It contains a giant zombie, ettin zombie or vampire lord guarding four chests.

See also

• Random vault (UnNetHack)