diff --git a/Barotrauma/BarotraumaClient/Source/GameSession/GameModes/SinglePlayerMode.cs b/Barotrauma/BarotraumaClient/Source/GameSession/GameModes/SinglePlayerMode.cs
index 4d69122d1..796ed03d9 100644
--- a/Barotrauma/BarotraumaClient/Source/GameSession/GameModes/SinglePlayerMode.cs
+++ b/Barotrauma/BarotraumaClient/Source/GameSession/GameModes/SinglePlayerMode.cs
@@ -112,7 +112,7 @@ namespace Barotrauma
 
         public void GenerateMap(string seed)
         {
-            Map = new Map(seed, 500);
+            Map = new Map(seed, 1000);
         }
 
         public override void Start()
diff --git a/Barotrauma/BarotraumaClient/Source/Map/Map/Map.cs b/Barotrauma/BarotraumaClient/Source/Map/Map/Map.cs
index 2e97ba120..db4c64e19 100644
--- a/Barotrauma/BarotraumaClient/Source/Map/Map/Map.cs
+++ b/Barotrauma/BarotraumaClient/Source/Map/Map/Map.cs
@@ -114,13 +114,11 @@ namespace Barotrauma
                         new Rectangle((int)start.X, (int)start.Y, (int)dist + 2, width),
                         new Rectangle(0, 0, iceCrack.Width, 60), crackColor, MathUtils.VectorToAngle(end - start),
                         new Vector2(0, 30), SpriteEffects.None, 0.01f);
-
-                    if (i == 0)
-                    {
-
-                        GUI.DrawString(spriteBatch, start, connection.Biome.Name, Color.White);
-                    }
                 }
+
+                //TODO: remove
+                Vector2 center = rectCenter + (connection.CenterPos + offset) * scale;
+                GUI.DrawString(spriteBatch, center, connection.Biome.Name, Color.White);
             }
 
             rect.Inflate(8, 8);
diff --git a/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml b/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml
index c7e8ee73f..9d1c1ee93 100644
--- a/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml
+++ b/Barotrauma/BarotraumaShared/Content/Map/LevelGenerationParameters.xml
@@ -4,24 +4,29 @@
   <Biomes>
     <Biome
       name = "Cold Caverns"
-      description= "asdgfdfg"/>
+      description= "asdgfdfg"
+      MapPlacement="Center, Random"/>
 
     <Biome
       name = "Volcanic Ridge"
-      description= "asdgfdfg"/>
+      description= "asdgfdfg"
+      MapPlacement="Random"/>
 	  
     <Biome
       name = "Hydrothermal Wastes"
-      description= "asdgfdfg"/>
+      description= "asdgfdfg"
+      MapPlacement="Random"/>
+    
     <Biome
       name = "Great Sea"
-      description= "asdgfdfg"/>
+      description= "asdgfdfg"
+      MapPlacement="Edge"/>
   </Biomes>
   
   <Default
     biomes="Cold Caverns"
     width="150000"
-    height="60000"
+    height="60000"    
     VoronoiSiteInterval="2000,2000"
     VoronoiSiteVariance="800,800"
     MainPathNodeIntervalRange="10000,30000"
diff --git a/Barotrauma/BarotraumaShared/Source/Map/Levels/LevelGenerationParams.cs b/Barotrauma/BarotraumaShared/Source/Map/Levels/LevelGenerationParams.cs
index 72bad5efd..270ebb2bd 100644
--- a/Barotrauma/BarotraumaShared/Source/Map/Levels/LevelGenerationParams.cs
+++ b/Barotrauma/BarotraumaShared/Source/Map/Levels/LevelGenerationParams.cs
@@ -8,9 +8,18 @@ namespace Barotrauma
 {
     class Biome
     {
+        public enum MapPlacement
+        {
+            Random = 1,
+            Center = 2,
+            Edge = 4
+        }
+
         public readonly string Name;
         public readonly string Description;
 
+        public readonly MapPlacement Placement;
+        
         public Biome(string name, string description)
         {
             Name = name;
@@ -21,6 +30,17 @@ namespace Barotrauma
         {
             Name = ToolBox.GetAttributeString(element, "name", "Biome");
             Description = ToolBox.GetAttributeString(element, "description", "");
+            
+            string[] placementsStrs = ToolBox.GetAttributeString(element, "MapPlacement", "Default").Split(',');
+            foreach (string placementStr in placementsStrs)
+            {
+                MapPlacement parsedPlacement;            
+                if (Enum.TryParse(placementStr.Trim(), out parsedPlacement))
+                {
+                    Placement |= parsedPlacement;
+                }
+            }
+
         }
     }
 
diff --git a/Barotrauma/BarotraumaShared/Source/Map/Map/Map.cs b/Barotrauma/BarotraumaShared/Source/Map/Map/Map.cs
index 7bcf8a74b..b6a52a02f 100644
--- a/Barotrauma/BarotraumaShared/Source/Map/Map/Map.cs
+++ b/Barotrauma/BarotraumaShared/Source/Map/Map/Map.cs
@@ -57,7 +57,7 @@ namespace Barotrauma
         {
             string mapSeed = ToolBox.GetAttributeString(element, "seed", "a");
 
-            int size = ToolBox.GetAttributeInt(element, "size", 500);
+            int size = ToolBox.GetAttributeInt(element, "size", 1000);
             Map map = new Map(mapSeed, size);
 
             map.SetLocation(ToolBox.GetAttributeInt(element, "currentlocation", 0));
@@ -119,7 +119,7 @@ namespace Barotrauma
             Voronoi voronoi = new Voronoi(0.5f);
 
             List<Vector2> sites = new List<Vector2>();
-            for (int i = 0; i < 50; i++)
+            for (int i = 0; i < 100; i++)
             {
                 sites.Add(new Vector2(Rand.Range(0.0f, size, Rand.RandSync.Server), Rand.Range(0.0f, size, Rand.RandSync.Server)));
             }
@@ -159,6 +159,7 @@ namespace Barotrauma
                 connections.Add(new LocationConnection(newLocations[0], newLocations[1]));
             }
 
+            //remove connections that are too short
             float minDistance = 50.0f;
             for (int i = connections.Count - 1; i >= 0; i--)
             {
@@ -201,6 +202,7 @@ namespace Barotrauma
                 }
             }
 
+
             foreach (LocationConnection connection in connections)
             {
                 Vector2 start = connection.Locations[0].MapPosition;
@@ -208,12 +210,54 @@ namespace Barotrauma
                 int generations = (int)(Math.Sqrt(Vector2.Distance(start, end) / 10.0f));
                 connection.CrackSegments = MathUtils.GenerateJaggedLine(start, end, generations, 5.0f);
             }
+            
+            AssignBiomes();
+        }
 
+        private void AssignBiomes()
+        {
             List<LocationConnection> biomeSeeds = new List<LocationConnection>();
-            foreach (Biome biome in LevelGenerationParams.GetBiomes())
+
+            List<Biome> centerBiomes = LevelGenerationParams.GetBiomes().FindAll(b => b.Placement.HasFlag(Biome.MapPlacement.Center));
+            if (centerBiomes.Count > 0)
+            {
+                Vector2 mapCenter = new Vector2(locations.Sum(l => l.MapPosition.X), locations.Sum(l => l.MapPosition.Y)) / locations.Count;
+                foreach (Biome centerBiome in centerBiomes)
+                {
+                    LocationConnection closestConnection = null;
+                    float closestDist = float.PositiveInfinity;
+                    foreach (LocationConnection connection in connections)
+                    {
+                        if (connection.Biome != null) continue;
+
+                        float dist = Vector2.Distance(connection.CenterPos, mapCenter);
+                        if (closestConnection == null || dist < closestDist)
+                        {
+                            closestConnection = connection;
+                            closestDist = dist;
+                        }
+                    }
+
+                    closestConnection.Biome = centerBiome;
+                    biomeSeeds.Add(closestConnection);
+                }
+            }
+
+            List<Biome> edgeBiomes = LevelGenerationParams.GetBiomes().FindAll(b => b.Placement.HasFlag(Biome.MapPlacement.Edge));
+            if (edgeBiomes.Count > 0)
+            {
+                List<LocationConnection> edges = GetMapEdges();
+                foreach (LocationConnection edge in edges)
+                {
+                    edge.Biome = edgeBiomes[Rand.Range(0, edgeBiomes.Count, Rand.RandSync.Server)];
+                }
+            }
+            
+            List<Biome> randomBiomes = LevelGenerationParams.GetBiomes().FindAll(b => b.Placement.HasFlag(Biome.MapPlacement.Random));
+            foreach (Biome biome in randomBiomes)
             {
                 LocationConnection seed = connections[0];
-                while (biomeSeeds.Contains(seed))
+                while (seed.Biome != null)
                 {
                     seed = connections[Rand.Range(0, connections.Count, Rand.RandSync.Server)];
                 }
@@ -247,6 +291,25 @@ namespace Barotrauma
                 ExpandBiomes(nextSeeds);
             }
         }
+
+        private List<LocationConnection> GetMapEdges()
+        {
+            List<Vector2> verts = locations.Select(l => l.MapPosition).ToList();
+
+            List<Vector2> giftWrappedVerts = MathUtils.GiftWrap(verts);
+
+            List<LocationConnection> edges = new List<LocationConnection>();
+            foreach (LocationConnection connection in connections)
+            {
+                if (giftWrappedVerts.Contains(connection.Locations[0].MapPosition) || 
+                    giftWrappedVerts.Contains(connection.Locations[1].MapPosition))
+                {
+                    edges.Add(connection);
+                }
+            }
+            
+            return edges;
+        }
         
 
         private void GenerateDifficulties(Location start, List<LocationConnection> locations, float currDifficulty)
@@ -339,6 +402,14 @@ namespace Barotrauma
             get { return level; }
             set { level = value; }
         }
+
+        public Vector2 CenterPos
+        {
+            get
+            {
+                return (locations[0].MapPosition + locations[1].MapPosition) / 2.0f;
+            }
+        }
         
         public LocationConnection(Location location1, Location location2)
         {