diff --git a/Minecraft.World/Biome.cpp b/Minecraft.World/Biome.cpp
index 3dba97a0..f1593dd3 100644
--- a/Minecraft.World/Biome.cpp
+++ b/Minecraft.World/Biome.cpp
@@ -82,7 +82,7 @@ void Biome::staticCtor()
 	Biome::jungle = (new JungleBiome(21))->setColor(0x537b09)->setName(L"Jungle")->setLeafColor(0x537b09)->setTemperatureAndDownfall(1.2f, 0.9f)->setDepthAndScale(0.2f, 0.4f)->setLeafFoliageWaterSkyColor(eMinecraftColour_Grass_Jungle, eMinecraftColour_Foliage_Jungle, eMinecraftColour_Water_Jungle,eMinecraftColour_Sky_Jungle);
 	Biome::jungleHills = (new JungleBiome(22))->setColor(0x2c4205)->setName(L"JungleHills")->setLeafColor(0x537b09)->setTemperatureAndDownfall(1.2f, 0.9f)->setDepthAndScale(1.8f, 0.5f)->setLeafFoliageWaterSkyColor(eMinecraftColour_Grass_JungleHills, eMinecraftColour_Foliage_JungleHills, eMinecraftColour_Water_JungleHills,eMinecraftColour_Sky_JungleHills);
 
-	Biome::savanna = (new Biome(35))->setName(L"Savanna")->setLeafFoliageWaterSkyColor(eMinecraftColour_Grass_Savanna, eMinecraftColour_Foliage_Savanna, eMinecraftColour_Sky_Desert, eMinecraftColour_Sky_Desert);
+	Biome::savanna = (new SavannaBiome(35))->setColor(0xbda235)->setName(L"Savanna")->setNoRain()->setTemperatureAndDownfall(1.2f, 0.0f) ->setLeafFoliageWaterSkyColor(eMinecraftColour_Grass_Savanna, eMinecraftColour_Foliage_Savanna, eMinecraftColour_Sky_Desert, eMinecraftColour_Sky_Desert);
 	Biome::roofedForest = (new Biome(29))->setName(L"Roofed Forest")->setLeafFoliageWaterSkyColor(eMinecraftColour_Grass_RoofedForest, eMinecraftColour_Foliage_RoofedForest, eMinecraftColour_Water_Forest, eMinecraftColour_Sky_Forest);
 
 }
diff --git a/Minecraft.World/Biome.h b/Minecraft.World/Biome.h
index 3b681169..42f46be9 100644
--- a/Minecraft.World/Biome.h
+++ b/Minecraft.World/Biome.h
@@ -14,6 +14,7 @@ class BirchFeature;
 class SwampTreeFeature;
 class ChunkRebuildData;
 
+
 class Biome
 {
 	friend class ChunkRebuildData;
diff --git a/Minecraft.World/BiomeDecorator.h b/Minecraft.World/BiomeDecorator.h
index 01560045..93742780 100644
--- a/Minecraft.World/BiomeDecorator.h
+++ b/Minecraft.World/BiomeDecorator.h
@@ -14,6 +14,7 @@ class BiomeDecorator
 	friend class TaigaBiome;
 	friend class MushroomIslandBiome;
 	friend class BeachBiome;
+	friend class SavannaBiome;
 	friend class JungleBiome;
 protected:
 	Level *level;
diff --git a/Minecraft.World/BiomeInitLayer.cpp b/Minecraft.World/BiomeInitLayer.cpp
index 6edd18de..0e409e7f 100644
--- a/Minecraft.World/BiomeInitLayer.cpp
+++ b/Minecraft.World/BiomeInitLayer.cpp
@@ -21,7 +21,7 @@ BiomeInitLayer::BiomeInitLayer(int64_t seed, shared_ptr<Layer>parent, LevelType
 	}
 	else
 	{
-		startBiomes = BiomeArray(7);
+		startBiomes = BiomeArray(8);
 		startBiomes[0] = Biome::desert;
 		startBiomes[1] = Biome::forest;
 		startBiomes[2] = Biome::extremeHills;
@@ -29,6 +29,7 @@ BiomeInitLayer::BiomeInitLayer(int64_t seed, shared_ptr<Layer>parent, LevelType
 		startBiomes[4] = Biome::plains;
 		startBiomes[5] = Biome::taiga;
 		startBiomes[6] = Biome::jungle;
+		startBiomes[7] = Biome::savanna;
 	}
 }
 
diff --git a/Minecraft.World/BiomeSource.cpp b/Minecraft.World/BiomeSource.cpp
index 89422677..76495708 100644
--- a/Minecraft.World/BiomeSource.cpp
+++ b/Minecraft.World/BiomeSource.cpp
@@ -24,6 +24,7 @@ void BiomeSource::_init()
 	playerSpawnBiomes.push_back(Biome::forestHills);
 	playerSpawnBiomes.push_back(Biome::jungle);
 	playerSpawnBiomes.push_back(Biome::jungleHills);
+	playerSpawnBiomes.push_back(Biome::savanna);
 }
 
 void BiomeSource::_init(int64_t seed, LevelType *generator)
diff --git a/Minecraft.World/DarkOakFeature.cpp b/Minecraft.World/DarkOakFeature.cpp
index 30759bce..d9ceded6 100644
--- a/Minecraft.World/DarkOakFeature.cpp
+++ b/Minecraft.World/DarkOakFeature.cpp
@@ -4,99 +4,157 @@
 #include "net.minecraft.world.level.tile.h"
 #include "TreeTile2.h"
 #include "LeafTile2.h"
+#include <cmath>
 
-DarkOakFeature::DarkOakFeature(bool doUpdate) : Feature(doUpdate)
-{
-    this->baseHeight = 6; 
+#include <algorithm>
+
+DarkOakFeature::DarkOakFeature(bool doUpdate) : Feature(doUpdate) {
+    this->baseHeight = 6;
 }
 
-bool DarkOakFeature::place(Level *level, Random *random, int x, int y, int z)
-{
-    int treeHeight = random->nextInt(3) + baseHeight;
-    
-    
-    if (y < 1 || y + treeHeight + 1 > Level::maxBuildHeight) return false;
+bool DarkOakFeature::place(Level *worldIn, Random *rand, int x, int y, int z) {
+    int i = rand->nextInt(3) + rand->nextInt(2) + 6;
+    int j = x;
+    int k = y;
+    int l = z;
 
-    for (int ix = 0; ix <= 1; ix++) {
-        for (int iz = 0; iz <= 1; iz++) {
-            int below = level->getTile(x + ix, y - 1, z + iz);
-            if (below != Tile::grass_Id && below != Tile::dirt_Id) return false;
-        }
-    }
+    if (k >= 1 && k + i + 1 < Level::maxBuildHeight) {
+        int below = worldIn->getTile(j, k - 1, l);
+        bool isSoil = (below == Tile::grass_Id || below == Tile::dirt_Id);
 
-    
-    int dx = random->nextInt(3) - 1;
-    int dz = random->nextInt(3) - 1;
-    int bendStart = treeHeight - random->nextInt(4);
-    int bendLength = 2 - random->nextInt(3);
+        if (!(isSoil && k < Level::maxBuildHeight - i - 1)) {
+            return false;
+        } else if (!this->checkSpace(worldIn, j, k, l, i)) {
+            return false;
+        } else {
+           
+            int dirX = 0;
+            int dirZ = 0;
+            int facing = rand->nextInt(4);
+            if (facing == 0) dirX = 1;
+            else if (facing == 1) dirX = -1;
+            else if (facing == 2) dirZ = 1;
+            else if (facing == 3) dirZ = -1;
 
-    int curX = x;
-    int curZ = z;
+            int i1 = i - rand->nextInt(4);
+            int j1 = 2 - rand->nextInt(3);
+            int k1 = j;
+            int l1 = l;
+            int i2 = k + i - 1;
 
-    
-    for (int h = 0; h < treeHeight; h++)
-    {
-        if (h >= bendStart && bendLength > 0)
-        {
-            curX += dx;
-            curZ += dz;
-            bendLength--;
-        }
-
-        placeTrunk2x2(level, curX, y + h, curZ);
-    }
-
-    
-    int topY = y + treeHeight;
-    for (int lx = -2; lx <= 3; lx++)
-    {
-        for (int lz = -2; lz <= 3; lz++)
-        {
-            for (int ly = -1; ly <= 1; ly++)
-            {
-                
-                if ((lx == -2 && lz == -2) || (lx == 3 && lz == -2) || (lx == -2 && lz == 3) || (lx == 3 && lz == 3)) 
-                    if (ly != 0) continue;
-
-                placeLeaf(level, curX + lx, topY + ly, curZ + lz);
+            
+            for (int j2 = 0; j2 < i; ++j2) {
+                if (j2 >= i1 && j1 > 0) {
+                    k1 += dirX;
+                    l1 += dirZ;
+                    --j1;
+                }
+                int k2 = k + j2;
+                this->placeLog(worldIn, k1, k2, l1);
+                this->placeLog(worldIn, k1 + 1, k2, l1);
+                this->placeLog(worldIn, k1, k2, l1 + 1);
+                this->placeLog(worldIn, k1 + 1, k2, l1 + 1);
             }
+
+            
+            for (int i3 = -2; i3 <= 0; ++i3) {
+                for (int l3 = -2; l3 <= 0; ++l3) {
+                    int k4 = -1;
+                    this->placeLeaf(worldIn, k1 + i3, i2 + k4, l1 + l3);
+                    this->placeLeaf(worldIn, 1 + k1 - i3, i2 + k4, l1 + l3);
+                    this->placeLeaf(worldIn, k1 + i3, i2 + k4, 1 + l1 - l3);
+                    this->placeLeaf(worldIn, 1 + k1 - i3, i2 + k4, 1 + l1 - l3);
+
+                    if ((i3 > -2 || l3 > -1) && (i3 != -1 || l3 != -2)) {
+                        k4 = 1;
+                        this->placeLeaf(worldIn, k1 + i3, i2 + k4, l1 + l3);
+                        this->placeLeaf(worldIn, 1 + k1 - i3, i2 + k4, l1 + l3);
+                        this->placeLeaf(worldIn, k1 + i3, i2 + k4, 1 + l1 - l3);
+                        this->placeLeaf(worldIn, 1 + k1 - i3, i2 + k4, 1 + l1 - l3);
+                    }
+                }
+            }
+
+            
+            for (int j3 = -3; j3 <= 4; ++j3) {
+                for (int i4 = -3; i4 <= 4; ++i4) {
+                    if ((j3 != -3 || i4 != -3) && (j3 != -3 || i4 != 4) && (j3 != 4 || i4 != -3) && (j3 != 4 || i4 != 4) && (std::abs(j3) < 3 || std::abs(i4) < 3)) {
+                        this->placeLeaf(worldIn, k1 + j3, i2, l1 + i4);
+                    }
+                }
+            }
+
+            
+            for (int k3 = -1; k3 <= 2; ++k3) {
+                for (int j4 = -1; j4 <= 2; ++j4) {
+                    if ((k3 < 0 || k3 > 1 || j4 < 0 || j4 > 1) && rand->nextInt(3) <= 0) {
+                        int l4 = rand->nextInt(3) + 2;
+
+                        
+                        for (int i5 = 0; i5 < l4; ++i5) {
+                            this->placeLog(worldIn, j + k3, i2 - i5 - 1, l + j4);
+                        }
+
+                        
+                        for (int j5 = -1; j5 <= 1; ++j5) {
+                            for (int l2 = -1; l2 <= 1; ++l2) {
+                                this->placeLeaf(worldIn, k1 + k3 + j5, i2, l1 + j4 + l2);
+                            }
+                        }
+
+                        
+                        for (int k5 = -2; k5 <= 2; ++k5) {
+                            for (int l5 = -2; l5 <= 2; ++l5) {
+                                if (std::abs(k5) != 2 || std::abs(l5) != 2) {
+                                    this->placeLeaf(worldIn, k1 + k3 + k5, i2 - 1, l1 + j4 + l5);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+
+            return true;
         }
     }
+    return false;
+}
 
-    
-    for (int rx = -1; rx <= 2; rx++)
-    {
-        for (int rz = -1; rz <= 2; rz++)
-        {
-            if ((rx < 0 || rx > 1 || rz < 0 || rz > 1) && random->nextInt(3) == 0)
-            {
-                int branchLen = random->nextInt(3) + 2;
-                for (int bh = 0; bh < branchLen; bh++)
-                {
-                    placeBlock(level, x + rx, topY - bh - 1, z + rz, Tile::tree2Trunk_Id, TreeTile2::DARK_TRUNK);
+
+bool DarkOakFeature::checkSpace(Level *worldIn, int x, int y, int z, int height) {
+    for (int l = 0; l <= height + 1; ++l) {
+        int i1 = 1;
+        if (l == 0) i1 = 0;
+        if (l >= height - 1) i1 = 2;
+
+        for (int j1 = -i1; j1 <= i1; ++j1) {
+            for (int k1 = -i1; k1 <= i1; ++k1) {
+                int tile = worldIn->getTile(x + j1, y + l, z + k1);
+                
+                if (tile != 0 && tile != Tile::leaves_Id && tile != Tile::leaves2_Id && 
+                    tile != Tile::tallgrass_Id && tile != Tile::sapling_Id) {
+                    return false;
                 }
             }
         }
     }
-
     return true;
 }
 
-void DarkOakFeature::placeTrunk2x2(Level *level, int x, int y, int z)
-{
+void DarkOakFeature::placeLog(Level *worldIn, int x, int y, int z) {
+    int tile = worldIn->getTile(x, y, z);
     
-    placeBlock(level, x, y, z, Tile::tree2Trunk_Id, TreeTile2::DARK_TRUNK);
-    placeBlock(level, x + 1, y, z, Tile::tree2Trunk_Id, TreeTile2::DARK_TRUNK);
-    placeBlock(level, x, y, z + 1, Tile::tree2Trunk_Id, TreeTile2::DARK_TRUNK);
-    placeBlock(level, x + 1, y, z + 1, Tile::tree2Trunk_Id, TreeTile2::DARK_TRUNK);
+    if (tile == 0 || tile == Tile::leaves_Id || tile == Tile::leaves2_Id || tile == Tile::tallgrass_Id) {
+        
+        placeBlock(worldIn, x, y, z, Tile::tree2Trunk_Id, TreeTile2::DARK_TRUNK);
+    }
 }
 
-void DarkOakFeature::placeLeaf(Level *level, int x, int y, int z)
-{
-    int tile = level->getTile(x, y, z);
-    if (tile == 0 || tile == Tile::leaves_Id || tile == Tile::leaves2_Id)
-    {
+void DarkOakFeature::placeLeaf(Level *worldIn, int x, int y, int z) {
+    int tile = worldIn->getTile(x, y, z);
+    
+    if (tile == 0) {
         
-        placeBlock(level, x, y, z, Tile::leaves2_Id, 1);
+        placeBlock(worldIn, x, y, z, Tile::leaves2_Id, 1);
     }
 }
\ No newline at end of file
diff --git a/Minecraft.World/DarkOakFeature.h b/Minecraft.World/DarkOakFeature.h
index dfce2405..a7e98960 100644
--- a/Minecraft.World/DarkOakFeature.h
+++ b/Minecraft.World/DarkOakFeature.h
@@ -14,4 +14,8 @@ private:
     void placeTrunk2x2(Level *level, int x, int y, int z);
     
     void placeLeaf(Level *level, int x, int y, int z);
+    private:
+    bool checkSpace(Level *worldIn, int x, int y, int z, int height);
+    void placeLog(Level *worldIn, int x, int y, int z);
+    
 };
\ No newline at end of file
diff --git a/Minecraft.World/Minecraft.World.vcxproj b/Minecraft.World/Minecraft.World.vcxproj
index 5413f130..e1791fd0 100644
--- a/Minecraft.World/Minecraft.World.vcxproj
+++ b/Minecraft.World/Minecraft.World.vcxproj
@@ -2718,6 +2718,7 @@
     <ClInclude Include="RotatedPillarTile.h" />
     <ClInclude Include="SandTile.h" />
     <ClInclude Include="Sapling2.h" />
+    <ClInclude Include="SavannaBiome.h" />
     <ClInclude Include="SavannaTreeFeature.h" />
     <ClInclude Include="Score.h" />
     <ClInclude Include="Scoreboard.h" />
@@ -3658,6 +3659,7 @@
     <ClCompile Include="RotatedPillarTile.cpp" />
     <ClCompile Include="SandTile.cpp" />
     <ClCompile Include="Sapling2.cpp" />
+    <ClCompile Include="SavannaBiome.cpp" />
     <ClCompile Include="SavannaTreeFeature.cpp" />
     <ClCompile Include="Score.cpp" />
     <ClCompile Include="Scoreboard.cpp" />
diff --git a/Minecraft.World/Minecraft.World.vcxproj.filters b/Minecraft.World/Minecraft.World.vcxproj.filters
index 5a90c307..1340b672 100644
--- a/Minecraft.World/Minecraft.World.vcxproj.filters
+++ b/Minecraft.World/Minecraft.World.vcxproj.filters
@@ -824,6 +824,7 @@
     <ClCompile Include="Sapling2.cpp" />
     <ClCompile Include="SavannaTreeFeature.cpp" />
     <ClCompile Include="DarkOakFeature.cpp" />
+    <ClCompile Include="SavannaBiome.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="AABB.h" />
@@ -1817,6 +1818,7 @@
     <ClInclude Include="Sapling2.h" />
     <ClInclude Include="SavannaTreeFeature.h" />
     <ClInclude Include="DarkOakFeature.h" />
+    <ClInclude Include="SavannaBiome.h" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\Minecraft.Client\Xbox\res\audio\Minecraft.xgs" />
diff --git a/Minecraft.World/SavannaBiome.cpp b/Minecraft.World/SavannaBiome.cpp
new file mode 100644
index 00000000..8c259087
--- /dev/null
+++ b/Minecraft.World/SavannaBiome.cpp
@@ -0,0 +1,30 @@
+#include "stdafx.h"
+#include "net.minecraft.world.level.levelgen.feature.h"
+#include "net.minecraft.world.level.biome.h"
+#include "net.minecraft.world.entity.animal.h"
+#include "net.minecraft.world.entity.h"
+#include "SavannaBiome.h"
+#include "SavannaTreeFeature.h" 
+
+SavannaBiome::SavannaBiome(int id) : Biome(id)
+{
+    
+    friendlies.push_back(new MobSpawnerData(eTYPE_HORSE, 1, 2, 6));
+
+    
+    decorator->treeCount = 1;
+    decorator->flowerCount = 4;
+    decorator->grassCount = 20; 
+}
+
+Feature *SavannaBiome::getTreeFeature(Random *random)
+{
+    
+    if (random->nextInt(5) > 0)
+    {
+        return new SavannaTreeFeature(false);
+    }
+    
+    
+    return new TreeFeature(false);
+}
\ No newline at end of file
diff --git a/Minecraft.World/SavannaBiome.h b/Minecraft.World/SavannaBiome.h
new file mode 100644
index 00000000..0a07d202
--- /dev/null
+++ b/Minecraft.World/SavannaBiome.h
@@ -0,0 +1,10 @@
+#pragma once
+#include "Biome.h"
+
+class SavannaBiome : public Biome
+{
+public:
+    SavannaBiome(int id);
+
+    virtual Feature *getTreeFeature(Random *random);
+};
\ No newline at end of file
diff --git a/Minecraft.World/net.minecraft.world.level.biome.h b/Minecraft.World/net.minecraft.world.level.biome.h
index dc082d70..8339e462 100644
--- a/Minecraft.World/net.minecraft.world.level.biome.h
+++ b/Minecraft.World/net.minecraft.world.level.biome.h
@@ -29,4 +29,7 @@
 #include "BeachBiome.h"
 
 //1.2.3
-#include "JungleBiome.h"
\ No newline at end of file
+#include "JungleBiome.h"
+
+//TU31
+#include "SavannaBiome.h"
\ No newline at end of file