diff --git a/1.3/Assemblies/ZombieLand.dll b/1.3/Assemblies/ZombieLand.dll
index e64f7925..cf904949 100644
Binary files a/1.3/Assemblies/ZombieLand.dll and b/1.3/Assemblies/ZombieLand.dll differ
diff --git a/About/Manifest.xml b/About/Manifest.xml
index 0dffadaf..861d0ee9 100644
--- a/About/Manifest.xml
+++ b/About/Manifest.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <Manifest>
   <identifier>net.pardeike.rimworld.mod.zombieland</identifier>
-  <version>2.9.2.0</version>
+  <version>2.9.3.0</version>
   <targetVersions>
     <li>1.0.0</li>
     <li>1.1.0</li>
diff --git a/Source/SoSTools.cs b/Source/SoSTools.cs
index c1ff03e2..6a24aa05 100644
--- a/Source/SoSTools.cs
+++ b/Source/SoSTools.cs
@@ -14,7 +14,9 @@ public class SoSTools
 	{
 		public class Floater
 		{
-			public static readonly int totalCount = 50;
+			public const int totalCount = 50;
+			const float minSize = 0.25f;
+			const float maxSize = 3f;
 
 			public IntVec3 mapSize;
 			public Material material;
@@ -40,11 +42,11 @@ public void Update(int i, int count)
 				if (scale == 0 || position.x < -4 || position.z < -4 || position.x > mapSize.x + 4 || position.z > mapSize.z + 4)
 				{
 					var f = GenMath.LerpDoubleClamped(0, count - 1, 0, 1, i);
-					scale = (1 + Mathf.Pow(f, Mathf.Pow(f + 1.4f, 4)) * 3) / 4;
-					speed = GenMath.LerpDoubleClamped(0.25f, 1, 0.1f, 1, scale);
-					var yAltitute = (f >= 0.985f ? 20f : -0.5f) + i / 1000f;
+					scale = minSize + Mathf.Pow(f, Mathf.Pow(f + 1.4f, 4)) * (maxSize - minSize);
+					speed = 2 * Mathf.Pow(GenMath.LerpDoubleClamped(minSize, maxSize, 0.2f, 1, scale), 2);
+					var yAltitute = (f >= 0.8f ? 20f : -0.5f) + i / 1000f;
 					angle = Rand.Range(0f, 359f);
-					rotation = Rand.Range(-0.4f, 0.4f);
+					rotation = (Rand.Chance(0.2f) ? 3f : 1f) * Rand.Range(-0.4f, 0.4f);
 					switch (Rand.Int % 4)
 					{
 						case 0: // bottom
diff --git a/Source/Tools.cs b/Source/Tools.cs
index 98b65f93..911a9e25 100644
--- a/Source/Tools.cs
+++ b/Source/Tools.cs
@@ -598,6 +598,13 @@ public static bool IsValidSpawnLocation(IntVec3 cell, Map map)
 		{
 			if (cell.Standable(map) == false || cell.Fogged(map)) return false;
 
+			if (map.IsSpace())
+			{
+				var room = cell.GetRoom(map);
+				if (room == null || room.OpenRoofCount > 0 || room.TouchesMapEdge)
+					return false;
+			}
+
 			var edifice = cell.GetEdifice(map);
 			if (edifice != null && edifice is Building_Door door)
 				if (door.Open == false)
diff --git a/Source/ZombieIncidents.cs b/Source/ZombieIncidents.cs
index 407efa13..2ad3f07c 100644
--- a/Source/ZombieIncidents.cs
+++ b/Source/ZombieIncidents.cs
@@ -82,6 +82,12 @@ public static bool ZombiesForNewIncident(TickManager tickManager)
 				tickManager.incidentInfo.parameters = new IncidentParameters();
 			var parameters = tickManager.incidentInfo.parameters;
 
+			if (tickManager.map.IsSpace())
+			{
+				parameters.skipReason = "no zombie events in space";
+				return false;
+			}
+
 			var currentMax = Mathf.FloorToInt(tickManager.GetMaxZombieCount() * ZombieWeather.GetThreatLevel(tickManager.map));
 
 			parameters.capableColonists = Tools.CapableColonists(tickManager.map);
@@ -250,14 +256,14 @@ static IEnumerator SpawnEventProcess(Map map, int incidentSize, IntVec3 spot, Pr
 
 		public static IntVec3 GetValidSpot(Map map, IntVec3 spot, Predicate<IntVec3> cellValidator)
 		{
+			if (ZombieSettings.Values.spawnHowType == SpawnHowType.FromTheEdges && map.IsSpace())
+				return IntVec3.Invalid;
+			var allOverTheMap = ZombieSettings.Values.spawnHowType == SpawnHowType.AllOverTheMap;
 			var spotValidator = SpotValidator(cellValidator);
-
 			for (var counter = 1; counter <= 10; counter++)
 			{
 				if (spot.IsValid)
 					break;
-
-				var allOverTheMap = ZombieSettings.Values.spawnHowType == SpawnHowType.AllOverTheMap;
 				spot = Tools.RandomSpawnCell(map, allOverTheMap == false, spotValidator);
 			}
 			return spot;
diff --git a/Source/ZombieLand.csproj b/Source/ZombieLand.csproj
index faf77fdc..69706ea7 100644
--- a/Source/ZombieLand.csproj
+++ b/Source/ZombieLand.csproj
@@ -10,7 +10,7 @@
 		<OutputPath>..\1.3\Assemblies\</OutputPath>
 		<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
 		<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
-		<Version>2.9.2.0</Version>
+		<Version>2.9.3.0</Version>
 		<Copyright>Copyright ©  2017</Copyright>
 	</PropertyGroup>