diff --git a/code/game/turfs/unsimulated/planetary_yw.dm b/code/game/turfs/unsimulated/planetary_yw.dm
new file mode 100644
index 0000000000..1e46fb2457
--- /dev/null
+++ b/code/game/turfs/unsimulated/planetary_yw.dm
@@ -0,0 +1,32 @@
+//Atmosphere properties
+#define CRYOGAIA_ONE_ATMOSPHERE	101.13 //kPa
+#define CRYOGAIA_AVG_TEMP	233.15 //kelvin
+
+#define CRYOGAIA_PER_N2		0.16 //percent
+#define CRYOGAIA_PER_O2		0.72
+#define CRYOGAIA_PER_N2O	0.00 //Currently no capacity to 'start' a turf with this. See turf.dm
+#define CRYOGAIA_PER_CO2	0.12
+#define CRYOGAIA_PER_PHORON	0.00
+
+//Math only beyond this point
+#define CRYOGAIA_MOL_PER_TURF	(CRYOGAIA_ONE_ATMOSPHERE*CELL_VOLUME/(CRYOGAIA_AVG_TEMP*R_IDEAL_GAS_EQUATION))
+#define CRYOGAIA_MOL_N2			(CRYOGAIA_MOL_PER_TURF * CRYOGAIA_PER_N2)
+#define CRYOGAIA_MOL_O2			(CRYOGAIA_MOL_PER_TURF * CRYOGAIA_PER_O2)
+#define CRYOGAIA_MOL_N2O			(CRYOGAIA_MOL_PER_TURF * CRYOGAIA_PER_N2O)
+#define CRYOGAIA_MOL_CO2			(CRYOGAIA_MOL_PER_TURF * CRYOGAIA_PER_CO2)
+#define CRYOGAIA_MOL_PHORON		(CRYOGAIA_MOL_PER_TURF * CRYOGAIA_PER_PHORON)
+
+//Turfmakers
+#define CRYOGAIA_SET_ATMOS	nitrogen=CRYOGAIA_MOL_N2;oxygen=CRYOGAIA_MOL_O2;carbon_dioxide=CRYOGAIA_MOL_CO2;phoron=CRYOGAIA_MOL_PHORON;temperature=CRYOGAIA_AVG_TEMP
+#define CRYOGAIA_TURF_CREATE(x)	x/cryogaia/nitrogen=CRYOGAIA_MOL_N2;x/cryogaia/oxygen=CRYOGAIA_MOL_O2;x/cryogaia/carbon_dioxide=CRYOGAIA_MOL_CO2;x/cryogaia/phoron=CRYOGAIA_MOL_PHORON;x/cryogaia/temperature=CRYOGAIA_AVG_TEMP;x/cryogaia/outdoors=TRUE;x/cryogaia/update_graphic(list/graphic_add = null, list/graphic_remove = null) return 0
+#define CRYOGAIA_TURF_CREATE_UN(x)	x/cryogaia/nitrogen=CRYOGAIA_MOL_N2;x/cryogaia/oxygen=CRYOGAIA_MOL_O2;x/cryogaia/carbon_dioxide=CRYOGAIA_MOL_CO2;x/cryogaia/phoron=CRYOGAIA_MOL_PHORON;x/cryogaia/temperature=CRYOGAIA_AVG_TEMP
+
+// This is a wall you surround the area of your "planet" with, that makes the atmosphere inside stay within bounds, even if canisters
+// are opened or other strange things occur.
+/turf/unsimulated/wall/planetary/borealis2
+	name = "Ice wall"
+	desc = "Frigid Ice that seems to be stronger then most manmade structures."
+	icon = 'icons/turf/snow_new.dmi'
+	icon_state = "Icerock"
+	alpha = 0xFF
+	CRYOGAIA_SET_ATMOS
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