diff --git a/Barotrauma/BarotraumaShared/BarotraumaShared.projitems b/Barotrauma/BarotraumaShared/BarotraumaShared.projitems
index 947714b5f..1c409d7b1 100644
--- a/Barotrauma/BarotraumaShared/BarotraumaShared.projitems
+++ b/Barotrauma/BarotraumaShared/BarotraumaShared.projitems
@@ -30,6 +30,9 @@
     <Content Include="$(MSBuildThisFileDirectory)Content\BackgroundSprites\ice.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="$(MSBuildThisFileDirectory)Content\BackgroundSprites\seafloor.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="$(MSBuildThisFileDirectory)Content\BackgroundSprites\vegetation.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
diff --git a/Barotrauma/BarotraumaShared/Content/BackgroundSprites/BackgroundSpritePrefabs.xml b/Barotrauma/BarotraumaShared/Content/BackgroundSprites/BackgroundSpritePrefabs.xml
index a9667707b..0900f75e1 100644
--- a/Barotrauma/BarotraumaShared/Content/BackgroundSprites/BackgroundSpritePrefabs.xml
+++ b/Barotrauma/BarotraumaShared/Content/BackgroundSprites/BackgroundSpritePrefabs.xml
@@ -26,6 +26,7 @@
 
   <leaves spawnpos="Wall, RuinWall" minsize="0.5" maxsize="1.5" alignwithsurface="true" commonness="3">
     <Sprite texture="Content/BackgroundSprites/vegetation.png" sourcerect="305,722,461,301" origin="0.6,0.8"/>
+    <overridecommonness commonness="0" leveltype="Wastes" />
   </leaves>
 
   <branches1 spawnpos="Wall, RuinWall" minsize="0.5" maxsize="2.0" alignwithsurface="true" swingamount="3" randomrotation="-20,20" commonness="4">
@@ -55,6 +56,7 @@
 
   <branch spawnpos="Wall, RuinWall" alignment="Top" minsize="1" maxsize="3" randomrotation="-30,30" swingamount="10" commonness="10">
     <overridecommonness commonness="0" leveltype="Open" />
+    <overridecommonness commonness="0" leveltype="Wastes" />
     <overridecommonness commonness="1" leveltype="Pillars" />
     <overridecommonness commonness="1" leveltype="Slabs" />
     <Sprite texture="Content/BackgroundSprites/vegetation3.png" origin="0.5,0.95"/>
@@ -62,6 +64,7 @@
 
   <branch spawnpos="Wall, RuinWall" alignment="Top" minsize="1" maxsize="3" randomrotation="-30,30" swingamount="8" commonness="10">
     <overridecommonness commonness="0" leveltype="Open" />
+    <overridecommonness commonness="0" leveltype="Wastes" />
     <overridecommonness commonness="1" leveltype="Pillars" />
     <overridecommonness commonness="1" leveltype="Slabs" />
     <Sprite texture="Content/BackgroundSprites/vegetation4.png" sourcerect="0,0,818,1024" origin="0.5,0.95"/>
@@ -69,18 +72,21 @@
 
   <hay spawnpos="Wall, RuinWall" alignment="Top" minsize="0.5" maxsize="1.5" randomrotation="-10,10" swingamount="5" commonness="3">
     <overridecommonness commonness="0" leveltype="Open" />
+    <overridecommonness commonness="0" leveltype="Wastes" />
     <Sprite texture="Content/BackgroundSprites/vegetation4.png" sourcerect="820,245,204,779" origin="0.5,0.95"/>
   </hay>
 
   <branch spawnpos="Wall, RuinWall" minsize="1" maxsize="3" alignwithsurface="true" randomrotation="-30,30" swingamount="10" commonness="0">
     <overridecommonness commonness="10" leveltype="Pillars" />
     <overridecommonness commonness="10" leveltype="Slabs" />
+    <overridecommonness commonness="0" leveltype="Wastes" />
     <Sprite texture="Content/BackgroundSprites/vegetation5.png" sourcerect="0,0,555,1024" origin="0.6,0.95"/>
   </branch>
 
   <branch spawnpos="Wall, RuinWall" minsize="1" maxsize="3" alignwithsurface="true" randomrotation="-30,30" swingamount="10" commonness="0">
     <overridecommonness commonness="10" leveltype="Pillars" />
     <overridecommonness commonness="10" leveltype="Slabs" />
+    <overridecommonness commonness="0" leveltype="Wastes" />
     <Sprite texture="Content/BackgroundSprites/vegetation5.png" sourcerect="580,151,444,873" origin="0.3,0.95"/>
   </branch>
 
@@ -99,4 +105,45 @@
   <icechunk spawnpos="Wall, RuinWall" minsize="5" maxsize="8" randomrotation="-180,180" swingamount="0" commonness="10" depthrange="100,2000">
     <Sprite texture="Content/BackgroundSprites/ice.png" sourcerect="702,513,322,511" origin="0.5,0.5"/>
   </icechunk>
+
+
+  <blacksmoker spawnpos="SeaFloor" alignment="Top" minsize="1" maxsize="2" randomrotation="-5,5" commonness="0">
+    <overridecommonness commonness="1" leveltype="Wastes" />
+    <overridecommonness commonness="1" leveltype="Ridge" />
+    <Sprite texture="Content/BackgroundSprites/seafloor.png" sourcerect="0,443,455,1605" origin="0.5,0.9"/>
+    <ParticleEmitter
+      particle="hydrosmoke"
+      particlespersecond="2"
+      position="0,1400"
+      anglemin="80"
+      anglemax="100"
+      velocitymin="500"
+      velocitymax="6000"/>
+  </blacksmoker>
+
+  <blacksmoker spawnpos="SeaFloor" alignment="Top" minsize="1" maxsize="2" randomrotation="-5,5" commonness="0">
+    <overridecommonness commonness="1" leveltype="Wastes" />
+    <Sprite texture="Content/BackgroundSprites/seafloor.png" sourcerect="463,1329,525,719" origin="0.5,0.9"/>
+    <ParticleEmitter
+      particle="hydrosmoke"
+      particlespersecond="2"
+      position="-20,570"
+      anglemin="80"
+      anglemax="100"
+      velocitymin="500"
+      velocitymax="6000"/>
+  </blacksmoker>
+
+  <blacksmoker spawnpos="SeaFloor" alignment="Top" minsize="1" maxsize="2" randomrotation="-5,5" commonness="0">
+    <overridecommonness commonness="1" leveltype="Wastes" />
+    <Sprite texture="Content/BackgroundSprites/seafloor.png" sourcerect="1030,1245,440,803" origin="0.5,0.9"/>
+    <ParticleEmitter
+      particle="hydrosmoke"
+      particlespersecond="2"
+      position="-50,700"
+      anglemin="80"
+      anglemax="100"
+      velocitymin="500"
+      velocitymax="600"/>
+  </blacksmoker> 
 </backgroundsprites>
\ No newline at end of file
diff --git a/Barotrauma/BarotraumaShared/Content/BackgroundSprites/seafloor.png b/Barotrauma/BarotraumaShared/Content/BackgroundSprites/seafloor.png
new file mode 100644
index 000000000..14dc8b171
Binary files /dev/null and b/Barotrauma/BarotraumaShared/Content/BackgroundSprites/seafloor.png differ
diff --git a/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml b/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml
index 9d1c1ee93..2054f7477 100644
--- a/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml
+++ b/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml
@@ -123,17 +123,59 @@
     VoronoiSiteInterval="1500,1500"
     VoronoiSiteVariance="700,700"
     MainPathNodeIntervalRange="6000,10000"
-    BackgroundColor="25,23,10"
-    SmallTunnelCount="10"
+    WallColor="160,150,150"
+    BackgroundColor="20,15,13"
+    SmallTunnelCount="1"
     SmallTunnelLengthRange="5000,50000"
-    RuinCount="3"
-    BottomHoleProbability="0.5"
+    RuinCount="1"
+    BottomHoleProbability="0.8"
     BackgroundSpriteAmount="1000"
     MountainCountMin="2"
     MountainCountMax="3"
+    SeaFloorDepth="-50000.0"
+    SeaFloorVariance="2000"
+    MountainHeightMin="40000"
+    MountainHeightMax="50000" 
+    />
+
+  <Ridge
+    biomes="Volcanic Ridge"
+    width="100000"
+    height="50000"
+    VoronoiSiteInterval="1500,1500"
+    VoronoiSiteVariance="700,700"
+    MainPathNodeIntervalRange="6000,10000"
+    WallColor="200,150,150"
+    BackgroundColor="25,15,10"
+    SmallTunnelCount="10"
+    SmallTunnelLengthRange="5000,50000"
+    RuinCount="3"
+    BottomHoleProbability="0.6"
+    BackgroundSpriteAmount="1500"
+    MountainCountMin="1"
+    MountainCountMax="1"
     SeaFloorDepth="-100000.0"
     SeaFloorVariance="2000"
-    MountainHeightMin="50000"
-    MountainHeightMax="60000" 
+    MountainHeightMin="80000"
+    MountainHeightMax="120000"
+    />
+
+  <Plateau
+    biomes="Cold Caverns"
+    width="200000"
+    height="25000"
+    VoronoiSiteInterval="2000,2000"
+    VoronoiSiteVariance="800,800"
+    MainPathNodeIntervalRange="5000,10000"
+    BackgroundColor="29,36,50"
+    RuinCount="1"
+    BottomHoleProbability="0.9"
+    BackgroundSpriteAmount="1000"
+    SeaFloorDepth="0.0"
+    SeaFloorVariance="500"
+    MountainCountMin="1"
+    MountainCountMax="2"
+    MountainHeightMin="1000"
+    MountainHeightMax="5000"
     />
 </LevelGenerationParameters>
\ No newline at end of file
diff --git a/Barotrauma/BarotraumaShared/Content/Particles/ParticlePrefabs.xml b/Barotrauma/BarotraumaShared/Content/Particles/ParticlePrefabs.xml
index ca9c81561..c609b0af2 100644
--- a/Barotrauma/BarotraumaShared/Content/Particles/ParticlePrefabs.xml
+++ b/Barotrauma/BarotraumaShared/Content/Particles/ParticlePrefabs.xml
@@ -157,7 +157,27 @@
     restitution="0.01"
     loopanim="false">
     <animatedsprite texture="Content/Particles/SmokeParticleSheet.png" sourcerect="0,0,1024,1024" columns="5" rows="5"/>
-  </smoke>  
+  </smoke>
+
+  <hydrosmoke
+    startsizemin="10.0,10.0" startsizemax="30.0,30.0"
+    sizechangemin="5.0,5.0" sizechangemax="10.0,10.0"
+    startrotationmin="0.0" startrotationmax="360"
+    angularvelocitymin="-20" angularvelocitymax="20"
+    startcolor="0.2, 0.2, 0.2, 1.0"
+    colorchange="0.0, 0.0, 0.0, -0.1"
+    growtime="10"    
+    lifetime="25"
+    drawtarget="water"
+    collideswithwalls="true"
+    collisionradius="102.0"
+    velocitychange="0.0, 2.0">    
+      <sprite texture="Content/Particles/SmokeParticleSheet.png" sourcerect="0,410,204,204"/>
+      <sprite texture="Content/Particles/SmokeParticleSheet.png" sourcerect="204,410,204,204"/>
+      <sprite texture="Content/Particles/SmokeParticleSheet.png" sourcerect="410,410,204,204"/>
+      <sprite texture="Content/Particles/SmokeParticleSheet.png" sourcerect="614,410,204,204"/>
+      <sprite texture="Content/Particles/SmokeParticleSheet.png" sourcerect="819,410,204,204"/>
+  </hydrosmoke>
 
   <explosionfire
     startsizemin="0.25,0.15" startsizemax="0.5,0.25"