diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3f03f4c1a4e..248426de34b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -102,7 +102,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        map_path: [example, tradeship, exodus, ministation, shaded_hills, away_sites_testing, modpack_testing, planets_testing]
+        map_path: [example, tradeship, exodus, ministation, shaded_hills, karzefeste, away_sites_testing, modpack_testing, planets_testing]
     steps:
       - uses: actions/checkout@v3
       - name: Setup Cache
diff --git a/maps/karzerfeste/areas/_area.dm b/maps/karzerfeste/areas/_area.dm
new file mode 100644
index 00000000000..6781b9f9eb3
--- /dev/null
+++ b/maps/karzerfeste/areas/_area.dm
@@ -0,0 +1,2 @@
+/area/karzerfeste
+	name = "Burg Karzerfeste"
diff --git a/maps/karzerfeste/jobs/_job.dm b/maps/karzerfeste/jobs/_job.dm
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/maps/karzerfeste/karzerfeste.dm b/maps/karzerfeste/karzerfeste.dm
new file mode 100644
index 00000000000..e8b4a21d359
--- /dev/null
+++ b/maps/karzerfeste/karzerfeste.dm
@@ -0,0 +1,27 @@
+#if !defined(USING_MAP_DATUM)
+
+	#include "../../mods/content/matchmaking/_matchmaking.dme"
+	#include "../../mods/content/mouse_highlights/_mouse_highlight.dme"
+	#include "../../mods/content/scaling_descriptors.dm"
+	#include "../../mods/species/drakes/_drakes.dme" // include before _fantasy.dme so overrides work
+	#include "../../mods/content/fantasy/_fantasy.dme"
+	#include "../../mods/pyrelight/_pyrelight.dme" // include after _fantasy.dme so overrides work
+
+	#include "areas/_area.dm"
+	#include "jobs/_job.dm"
+	#include "levels/_level.dm"
+	#include "levels/strata.dm"
+	#include "outfits/_outfit.dm"
+
+	#include "karzerfeste_currency.dm"
+	#include "karzerfeste_events.dm"
+	#include "karzerfeste_map.dm"
+	#include "karzerfeste_skills.dm"
+	#include "karzerfeste_testing.dm"
+	#include "karzerfeste_turfs.dm"
+
+	#define USING_MAP_DATUM /datum/map/karzerfeste
+
+#elif !defined(MAP_OVERRIDE)
+	#warn A map has already been included, ignoring Berg Karzerfeste
+#endif
diff --git a/maps/karzerfeste/karzerfeste_currency.dm b/maps/karzerfeste/karzerfeste_currency.dm
new file mode 100644
index 00000000000..f1c06d4735e
--- /dev/null
+++ b/maps/karzerfeste/karzerfeste_currency.dm
@@ -0,0 +1,12 @@
+/datum/map/shaded_hills
+	starting_cash_choices = list(
+		/decl/starting_cash_choice/none,
+		/decl/starting_cash_choice/cash
+	)
+	default_currency = /decl/currency/imperial
+	salary_modifier = 0.05 // turn the 300-400 base into 15-20 base
+
+/// Functionally identical to its parent type, but with a different name since it's not defined until later.
+/decl/starting_cash_choice/none
+	name = "none"
+	uid = "starting_cash_none"
diff --git a/maps/karzerfeste/karzerfeste_define.dm b/maps/karzerfeste/karzerfeste_define.dm
new file mode 100644
index 00000000000..3758f52ecb9
--- /dev/null
+++ b/maps/karzerfeste/karzerfeste_define.dm
@@ -0,0 +1,56 @@
+/datum/map/karzerfeste
+	name          = "karzerfeste"
+	full_name     = "Burg Karzerfeste"
+	path          = "karzerfeste"
+	station_name  = "Burg Karzerfeste"
+	station_short = "Karzerfeste"
+
+	// Leaving these for later replacement.
+	dock_name     = "shaded heights"
+	boss_name     = "the Splinter Kingdoms"
+	boss_short    = "Splinter Kingdoms"
+	company_name  = "whispers from the Deep"
+	company_short = "the Deep"
+	system_name   = "Downlands"
+
+	default_spawn = /decl/spawnpoint/arrivals
+	allowed_latejoin_spawns = list(
+		/decl/spawnpoint/arrivals
+	)
+	map_tech_level          = MAP_TECH_LEVEL_MEDIEVAL
+	survival_box_choices    = list()
+	passport_type           = null
+	_available_backpacks    = list(
+		/decl/backpack_outfit/sack
+	)
+	lobby_screens = list(
+		'maps/karzerfeste/pyre_light.png'
+	)
+	lobby_tracks = list(
+		/decl/music_track/dhaka,
+		/decl/music_track/teller,
+		/decl/music_track/suonatore
+	)
+	credit_sound = list(
+		'sound/music/Miris-Magic-Dance.ogg'
+	)
+	game_year = -914 // in 2024, the year should be 1110, roughly a century after the fall of the Imperial Aegis
+
+	char_preview_bgstate_options = list(
+		"000",
+		"midgrey",
+		"FFF",
+		"wood"  = /turf/floor/wood::color,
+		"mud",
+		"grass" = /turf/floor/natural/grass::color,
+		"rock"  = /turf/floor/natural/rock/basalt::color,
+		"brick" = /turf/wall/brick/sandstone::color
+	)
+
+/decl/backpack_outfit/sack
+	is_default = TRUE
+
+// TODO replace this
+/datum/map/karzerfeste/get_map_info()
+	return "You're in the <b>[station_name]</b> of the [system_name], nestled between the mountains and the river and bisected by the decaying Queens' Road. On all sides, you are surrounded by untamed wilds, with only a small ruined fort, rebuilt into an inn, to the east as a sign of civilisation. \
+	Far from the control of [boss_name], you are free to carve forward a path to survival for yourself and your comrades however you wish. Strike the earth!"
diff --git a/maps/karzerfeste/karzerfeste_events.dm b/maps/karzerfeste/karzerfeste_events.dm
new file mode 100644
index 00000000000..cd2b3aa8673
--- /dev/null
+++ b/maps/karzerfeste/karzerfeste_events.dm
@@ -0,0 +1,20 @@
+/datum/map/shaded_hills
+	event_container_mundane  = /datum/event_container/mundane/fantasy
+	event_container_moderate = /datum/event_container/moderate/fantasy
+	event_container_major    = /datum/event_container/major/fantasy
+
+// TODO: more appropriate events.
+/datum/event_container/mundane/fantasy
+	available_events = list(
+		new /datum/event_meta(EVENT_LEVEL_MUNDANE, "Nothing", /datum/event/nothing,	100)
+	)
+
+/datum/event_container/moderate/fantasy
+	available_events = list(
+		new /datum/event_meta(EVENT_LEVEL_MUNDANE, "Nothing", /datum/event/nothing,	100)
+	)
+
+/datum/event_container/major/fantasy
+	available_events = list(
+		new /datum/event_meta(EVENT_LEVEL_MUNDANE, "Nothing", /datum/event/nothing,	100)
+	)
diff --git a/maps/karzerfeste/karzerfeste_map.dm b/maps/karzerfeste/karzerfeste_map.dm
new file mode 100644
index 00000000000..662ee989762
--- /dev/null
+++ b/maps/karzerfeste/karzerfeste_map.dm
@@ -0,0 +1,21 @@
+/datum/map/karzefeste
+	default_liquid_fuel_type = /decl/material/liquid/nutriment/plant_oil
+	loadout_categories = list(
+		/decl/loadout_category/fantasy/clothing,
+		/decl/loadout_category/fantasy/utility
+	)
+
+/datum/map/karzefeste/finalize_map_generation()
+	. = ..()
+	var/static/list/banned_weather = list(
+		/decl/state/weather/snow/medium,
+		/decl/state/weather/snow/heavy,
+		/decl/state/weather/snow
+	)
+	var/datum/level_data/region = SSmapping.levels_by_id["karzefeste_region"]
+	if(istype(region)) // if this is false, something has badly exploded
+		SSweather.setup_weather_system(region, banned_states = banned_weather)
+
+/decl/spawnpoint/arrivals
+	name = "Queens' Road"
+	spawn_announcement = null
diff --git a/maps/karzerfeste/karzerfeste_skills.dm b/maps/karzerfeste/karzerfeste_skills.dm
new file mode 100644
index 00000000000..a7a86be4c5e
--- /dev/null
+++ b/maps/karzerfeste/karzerfeste_skills.dm
@@ -0,0 +1,15 @@
+// Removal of space skills
+/datum/map/shaded_hills/get_available_skill_types()
+	. = ..()
+	. -= list(
+		SKILL_EVA,
+		SKILL_MECH,
+		SKILL_PILOT,
+		SKILL_COMPUTER,
+		SKILL_FORENSICS,
+		SKILL_ELECTRICAL,
+		SKILL_ATMOS,
+		SKILL_ENGINES,
+		SKILL_DEVICES,
+		SKILL_CONSTRUCTION, // Anything using this should be replaced with another skill.
+	)
diff --git a/maps/karzerfeste/karzerfeste_testing.dm b/maps/karzerfeste/karzerfeste_testing.dm
new file mode 100644
index 00000000000..5adbc61c706
--- /dev/null
+++ b/maps/karzerfeste/karzerfeste_testing.dm
@@ -0,0 +1,5 @@
+/datum/map/karzerfeste
+	apc_test_exempt_areas = list(
+		/area/space       = NO_SCRUBBER|NO_VENT|NO_APC,
+		/area/karzerfeste = NO_SCRUBBER|NO_VENT|NO_APC
+	)
diff --git a/maps/karzerfeste/karzerfeste_turfs.dm b/maps/karzerfeste/karzerfeste_turfs.dm
new file mode 100644
index 00000000000..91bef775565
--- /dev/null
+++ b/maps/karzerfeste/karzerfeste_turfs.dm
@@ -0,0 +1,8 @@
+/turf/wall/natural/basalt/karzerfeste
+	strata_override = /decl/strata/karzerfeste
+
+/turf/wall/natural/random/basalt/karzerfeste
+	strata_override = /decl/strata/karzerfeste
+
+/turf/wall/natural/random/high_chance/basalt/karzerfeste
+	strata_override = /decl/strata/karzerfeste
diff --git a/maps/karzerfeste/levels/_level.dm b/maps/karzerfeste/levels/_level.dm
new file mode 100644
index 00000000000..26b98934586
--- /dev/null
+++ b/maps/karzerfeste/levels/_level.dm
@@ -0,0 +1,53 @@
+/datum/level_data/player_level/karzerfeste
+	use_global_exterior_ambience = FALSE
+	base_area = null
+	base_turf = /turf/floor/natural/dirt
+	abstract_type = /datum/level_data/player_level/karzerfeste
+	ambient_light_level = 1
+	ambient_light_color = "#f3e6ca"
+	strata = /decl/strata/karzerfeste
+	exterior_atmosphere = list(
+		/decl/material/gas/oxygen =   MOLES_O2STANDARD,
+		/decl/material/gas/nitrogen = MOLES_N2STANDARD
+	)
+	daycycle_type = /datum/daycycle/karzerfeste
+	daycycle_id = "daycycle_karzerfeste"
+	template_edge_padding = 0 // we use a strictly delineated subarea, no need for this guard
+	var/submap_budget   = 0
+	var/submap_category = null
+	var/submap_area
+	var/list/mobs_to_spawn = list()
+
+/datum/daycycle/karzerfeste
+	cycle_duration = 2 HOURS // 1 hour of daylight, 1 hour of night
+
+// Randomized time of day to start at.
+/datum/daycycle/karzerfeste/New()
+	time_in_cycle = rand(cycle_duration)
+	..()
+
+/datum/level_data/player_level/karzerfeste/get_subtemplate_areas(template_category, blacklist, whitelist)
+	return submap_area ? (islist(submap_area) ? submap_area : list(submap_area)) : null
+
+/datum/level_data/player_level/karzerfeste/get_subtemplate_budget()
+	return submap_budget
+
+/datum/level_data/player_level/karzerfeste/get_subtemplate_category()
+	return submap_category
+
+/datum/level_data/player_level/karzerfeste/after_generate_level()
+	. = ..()
+	if(length(mobs_to_spawn))
+		for(var/list/mob_category in mobs_to_spawn)
+			var/list/mob_types = mob_category[1]
+			var/mob_turf  = mob_category[2]
+			var/mob_count = mob_category[3]
+			var/sanity = 1000
+			while(mob_count && sanity)
+				sanity--
+				var/turf/place_mob_at = locate(rand(level_inner_min_x, level_inner_max_x), rand(level_inner_min_y, level_inner_max_y), level_z)
+				if(istype(place_mob_at, mob_turf) && !(locate(/mob/living) in place_mob_at))
+					var/mob_type = pickweight(mob_types)
+					new mob_type(place_mob_at)
+					mob_count--
+					CHECK_TICK
diff --git a/maps/karzerfeste/levels/strata.dm b/maps/karzerfeste/levels/strata.dm
new file mode 100644
index 00000000000..829d04beb89
--- /dev/null
+++ b/maps/karzerfeste/levels/strata.dm
@@ -0,0 +1,18 @@
+// Simplified metal list.
+/decl/strata/karzerfeste
+	name = "mountainous rock"
+	base_materials = list(/decl/material/solid/stone/basalt)
+	default_strata_candidate = FALSE
+	ores_sparse = list(
+		/decl/material/solid/quartz,
+		/decl/material/solid/graphite,
+		/decl/material/solid/tetrahedrite,
+		/decl/material/solid/hematite
+	)
+	ores_rich = list(
+		/decl/material/solid/gemstone/diamond,
+		/decl/material/solid/metal/gold,
+		/decl/material/solid/metal/platinum,
+		/decl/material/solid/densegraphite,
+		/decl/material/solid/galena
+	)
diff --git a/maps/karzerfeste/outfits/_outfit.dm b/maps/karzerfeste/outfits/_outfit.dm
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/maps/karzerfeste/pyre_light.png b/maps/karzerfeste/pyre_light.png
new file mode 100644
index 00000000000..dd385e04c87
Binary files /dev/null and b/maps/karzerfeste/pyre_light.png differ
diff --git a/nebula.dme b/nebula.dme
index b8da2631e3b..4baf0fc7b58 100644
--- a/nebula.dme
+++ b/nebula.dme
@@ -4029,6 +4029,8 @@
 #include "maps\away_sites_testing\away_sites_testing_define.dm"
 #include "maps\example\example_define.dm"
 #include "maps\exodus\exodus_define.dm"
+#include "maps\karzerfeste\karzerfeste.dm"
+#include "maps\karzerfeste\karzerfeste_define.dm"
 #include "maps\ministation\ministation_define.dm"
 #include "maps\modpack_testing\modpack_testing_define.dm"
 #include "maps\planets_testing\planets_testing_define.dm"
@@ -4048,7 +4050,6 @@
 #include "maps\random_ruins\exoplanet_ruins\spider_nest\spider_nest.dm"
 #include "maps\random_ruins\exoplanet_ruins\tar_anomaly\tar_anomaly.dm"
 #include "maps\random_ruins\space_ruins\space_ruins.dm"
-#include "maps\shaded_hills\shaded_hills.dm"
 #include "maps\shaded_hills\shaded_hills_define.dm"
 #include "maps\tradeship\tradeship_define.dm"
 #include "maps\~mapsystem\map_preferences.dm"