diff --git a/Barotrauma/BarotraumaClient/Source/Map/Levels/LevelRenderer.cs b/Barotrauma/BarotraumaClient/Source/Map/Levels/LevelRenderer.cs
index 4cd7d27b8..14e5de89d 100644
--- a/Barotrauma/BarotraumaClient/Source/Map/Levels/LevelRenderer.cs
+++ b/Barotrauma/BarotraumaClient/Source/Map/Levels/LevelRenderer.cs
@@ -270,7 +270,7 @@ namespace Barotrauma
             wallCenterEffect.CurrentTechnique.Passes[0].Apply();
             if (GameMain.GameScreen.Cam.WorldView.Y - GameMain.GameScreen.Cam.WorldView.Height < level.SeaFloorTopPos + 1024)
             {
-                foreach (LevelWall wall in level.WrappingWalls)
+                foreach (LevelWall wall in level.ExtraWalls)
                 {
                     graphicsDevice.SetVertexBuffer(wall.BodyVertices);
                     graphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, (int)Math.Floor(wall.BodyVertices.VertexCount / 3.0f));
@@ -287,7 +287,7 @@ namespace Barotrauma
 
             if (GameMain.GameScreen.Cam.WorldView.Y - GameMain.GameScreen.Cam.WorldView.Height < level.SeaFloorTopPos + 1024)
             {
-                foreach (LevelWall wall in level.WrappingWalls)
+                foreach (LevelWall wall in level.ExtraWalls)
                 {
                     graphicsDevice.SetVertexBuffer(wall.WallVertices);
                     graphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, (int)Math.Floor(wall.WallVertices.VertexCount / 3.0f));
diff --git a/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml b/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml
index 83dbd38d9..c7e8ee73f 100644
--- a/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml
+++ b/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml
@@ -3,16 +3,19 @@
 
   <Biomes>
     <Biome
-      name ="Cold Caverns"
-      description="asdgfdfg"/>
+      name = "Cold Caverns"
+      description= "asdgfdfg"/>
 
     <Biome
-      name ="Volcanic Ridge"
-      description="asdgfdfg"/>
+      name = "Volcanic Ridge"
+      description= "asdgfdfg"/>
 	  
     <Biome
-      name ="Great Sea"
-      description="asdgfdfg"/>
+      name = "Hydrothermal Wastes"
+      description= "asdgfdfg"/>
+    <Biome
+      name = "Great Sea"
+      description= "asdgfdfg"/>
   </Biomes>
   
   <Default
@@ -107,4 +110,25 @@
     MountainHeightMin="10000"
     MountainHeightMax="20000" 
     />
+
+  <Wastes
+    biomes="Hydrothermal Wastes"
+    width="100000"
+    height="50000"
+    VoronoiSiteInterval="1500,1500"
+    VoronoiSiteVariance="700,700"
+    MainPathNodeIntervalRange="6000,10000"
+    BackgroundColor="25,23,10"
+    SmallTunnelCount="10"
+    SmallTunnelLengthRange="5000,50000"
+    RuinCount="3"
+    BottomHoleProbability="0.5"
+    BackgroundSpriteAmount="1000"
+    MountainCountMin="2"
+    MountainCountMax="3"
+    SeaFloorDepth="-100000.0"
+    SeaFloorVariance="2000"
+    MountainHeightMin="50000"
+    MountainHeightMax="60000" 
+    />
 </LevelGenerationParameters>
\ No newline at end of file
diff --git a/Barotrauma/BarotraumaShared/Source/Map/Levels/Level.cs b/Barotrauma/BarotraumaShared/Source/Map/Levels/Level.cs
index 8679f32ec..a6df9f7a6 100644
--- a/Barotrauma/BarotraumaShared/Source/Map/Levels/Level.cs
+++ b/Barotrauma/BarotraumaShared/Source/Map/Levels/Level.cs
@@ -107,7 +107,7 @@ namespace Barotrauma
             get { return ruins; }
         }
         
-        public LevelWall[] WrappingWalls
+        public LevelWall[] ExtraWalls
         {
             get { return extraWalls; }
         }
@@ -907,31 +907,29 @@ namespace Barotrauma
                 }
             }
 
-            /*
-            if (wrappingWalls == null) return cells;
-
-            for (int side = 0; side < 2; side++)
+            if (extraWalls != null)
             {
-                for (int n = 0; n < 2; n++)
+                Debug.Assert(extraWalls.Count() == 1, "Level.GetCells may need to be updated to support extra walls other than the ocean floor.");
+                if (pos.Y - searchDepth * GridCellSize < SeaFloorTopPos)
                 {
-                    if (wrappingWalls[side, n] == null) continue;
-
-                    if (Vector2.Distance(wrappingWalls[side, n].MidPos, pos) > WrappingWall.WallWidth) continue;
-
-                    foreach (VoronoiCell cell in wrappingWalls[side, n].Cells)
+                    foreach (VoronoiCell cell in extraWalls[0].Cells)
                     {
-                        cells.Add(cell);
+                        if (Math.Abs(cell.Center.X - pos.X) < searchDepth * GridCellSize)
+                        {
+                            cells.Add(cell);
+                        }
                     }
                 }
-            }*/
+            }
 
+            
             return cells;
         }
 
         private void Unload()
         {
 #if CLIENT
-            if (renderer!=null) 
+            if (renderer != null) 
             {
                 renderer.Dispose();
                 renderer = null;