diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 00000000..51c411f6
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,73 @@
+name: Publish
+
+on: [push, pull_request]
+
+env:
+  DOTNET_VERSION: "3.1.x" # The .NET SDK version to use
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    env:
+      ARTIFACT_BENCHMARK: "artifact/benchmark"
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup .NET Core
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: ${{ env.DOTNET_VERSION }}
+
+      - name: Install dependencies
+        run: dotnet restore
+
+      # - name: Build
+      #   run: |
+      #     dotnet build PapyrusCs -c Release --no-restore
+
+      - name: Test
+        run: |
+          dotnet test --no-restore --verbosity normal
+
+      - name: Prepare artifacts
+        run: |
+          mkdir -p "${{ env.ARTIFACT_BENCHMARK }}"
+          cp "MapLoader.NUnitTests/bin/Debug/netcoreapp3.1/benchmark.png" "${{ env.ARTIFACT_BENCHMARK }}/benchmark.png"
+          cp "MapLoader.NUnitTests/bin/Debug/netcoreapp3.1/benchmark/Benchmark.png" "${{ env.ARTIFACT_BENCHMARK }}/benchmark-original.png"
+
+      - name: Upload benchmark
+        uses: actions/upload-artifact@v2
+        with:
+          name: "benchmark"
+          path: "${{ env.ARTIFACT_BENCHMARK }}/**/*"
+
+  publish:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        runtime: [linux-x64, win-x64]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup .NET Core
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: ${{ env.DOTNET_VERSION }}
+
+      - name: Install dependencies
+        run: dotnet restore
+
+      # - name: Build
+      #   run: |
+      #     dotnet build PapyrusCs -c Release --no-restore
+
+      - name: Build ${{ matrix.runtime }}
+        run: |
+          dotnet publish PapyrusCs -c Release -o build/${{ matrix.runtime }} -r ${{ matrix.runtime }} --self-contained true
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: "papyruscs-${{ matrix.runtime }}"
+          path: "build/${{ matrix.runtime }}/**/*"
diff --git a/MapLoader.NUnitTests/OtherTests.cs b/MapLoader.NUnitTests/OtherTests.cs
index 8d26eb60..8e7bc358 100644
--- a/MapLoader.NUnitTests/OtherTests.cs
+++ b/MapLoader.NUnitTests/OtherTests.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Drawing;
 using System.IO;
@@ -8,6 +8,7 @@
 using Maploader.Renderer.Heightmap;
 using Maploader.Renderer.Imaging;
 using Maploader.Renderer.Texture;
+using Maploader.World;
 using Microsoft.Extensions.ObjectPool;
 using NUnit.Framework;
 using PapyrusCs.Database;
@@ -165,16 +166,24 @@ public void BenchmarkRender()
             {
                 var dut = new Maploader.World.World();
                 dut.Open(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "benchmark", "world", "db"));
-                int chunkRadius = 1;
-                int centerOffsetX = 1; //65;
-                int centerOffsetZ = 1; //65;
+                int XMin = -1, XMax = 3;
+                int ZMin = -1, ZMax = 4;
                 string filename = "benchmark.png";
 
-                RenderMap(chunkRadius, dut, centerOffsetX, centerOffsetZ, filename);
+                RenderMap(dut, filename, XMin, XMax, ZMin, ZMax);
             }
 
             private static void RenderMap(int chunkRadius, Maploader.World.World dut, int centerOffsetX,
                 int centerOffsetZ, string filename)
+            {
+                int XMin = centerOffsetX - chunkRadius, XMax = centerOffsetX + chunkRadius;
+                int ZMin = centerOffsetZ - chunkRadius, ZMax = centerOffsetZ + chunkRadius;
+
+                RenderMap(dut, filename, XMin, XMax, ZMin, ZMax);
+            }
+
+            private static void RenderMap(Maploader.World.World dut, string filename,
+            int XMin, int XMax, int ZMin, int ZMax)
             {
                 var json = File.ReadAllText(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"textures",
                     "terrain_texture.json"));
@@ -185,20 +194,25 @@ private static void RenderMap(int chunkRadius, Maploader.World.World dut, int ce
                     Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "textures"), g);
                 finder.Debug = false;
 
-                var b = g.CreateEmptyImage(16 * 16 * (2 * chunkRadius + 1), 16 * 16 * (2 * chunkRadius + 1));
+                var b = g.CreateEmptyImage(16 * 16 * (XMax - XMin + 1), 16 * 16 * (ZMax - ZMin + 1));
+
+                var render = new ChunkRenderer<Bitmap>(finder, g, new RenderSettings() { YMax = 40 });
 
-                var render = new ChunkRenderer<Bitmap>(finder, g, new RenderSettings() {YMax = 40});
+                var keysByXZ = dut.GetDimension(0)
+                    .Select(x => new LevelDbWorldKey2(x))
+                    .Where(c => c.X <= XMax && c.X >= XMin && c.Z <= ZMax && c.Z >= ZMin)
+                    .GroupBy(x => x.XZ);
+                var chunkKeys = keysByXZ.Select(chunkGroup => new GroupedChunkSubKeys(chunkGroup));
+                var chunkDatas = chunkKeys.Select(dut.GetChunkData);
 
-                //Parallel.For(-chunkRadius, chunkRadius + 1,new ParallelOptions(){MaxDegreeOfParallelism = 8} , dx =>
-                for (int dz = -chunkRadius; dz <= chunkRadius; dz++)
+                foreach (var chunkData in chunkDatas)
                 {
-                    for (int dx = -chunkRadius; dx <= chunkRadius; dx++)
+                    var c = dut.GetChunk(chunkData.X, chunkData.Z, chunkData);
+                    if (c != null)
                     {
-                        var c = dut.GetChunk(dx + centerOffsetX, dz + centerOffsetZ);
-                        if (c != null)
-                        {
-                            render.RenderChunk(b, c, (chunkRadius + dx) * 256, (chunkRadius + dz) * 256);
-                        }
+                        int dx = chunkData.X - XMin;
+                        int dz = chunkData.Z - ZMin;
+                        render.RenderChunk(b, c, dx * 256, dz * 256);
                     }
                 }
 
diff --git a/MapLoader.NUnitTests/benchmark/Benchmark.png b/MapLoader.NUnitTests/benchmark/Benchmark.png
index c807e86f..dd8ad486 100644
Binary files a/MapLoader.NUnitTests/benchmark/Benchmark.png and b/MapLoader.NUnitTests/benchmark/Benchmark.png differ
diff --git a/MapLoader.NUnitTests/benchmark/world/db/000106.ldb b/MapLoader.NUnitTests/benchmark/world/db/000106.ldb
new file mode 100644
index 00000000..c0ac6088
Binary files /dev/null and b/MapLoader.NUnitTests/benchmark/world/db/000106.ldb differ
diff --git a/MapLoader.NUnitTests/benchmark/world/db/001497.ldb b/MapLoader.NUnitTests/benchmark/world/db/001497.ldb
deleted file mode 100644
index fd8f1169..00000000
Binary files a/MapLoader.NUnitTests/benchmark/world/db/001497.ldb and /dev/null differ
diff --git a/MapLoader.NUnitTests/benchmark/world/db/001499.ldb b/MapLoader.NUnitTests/benchmark/world/db/001499.ldb
deleted file mode 100644
index c514fed9..00000000
Binary files a/MapLoader.NUnitTests/benchmark/world/db/001499.ldb and /dev/null differ
diff --git a/MapLoader.NUnitTests/benchmark/world/db/001500.log b/MapLoader.NUnitTests/benchmark/world/db/001500.log
deleted file mode 100644
index 958cfc72..00000000
Binary files a/MapLoader.NUnitTests/benchmark/world/db/001500.log and /dev/null differ
diff --git a/MapLoader.NUnitTests/benchmark/world/db/CURRENT b/MapLoader.NUnitTests/benchmark/world/db/CURRENT
index e4f6d59b..1fb45e8c 100644
--- a/MapLoader.NUnitTests/benchmark/world/db/CURRENT
+++ b/MapLoader.NUnitTests/benchmark/world/db/CURRENT
@@ -1 +1 @@
-MANIFEST-001498
+MANIFEST-000103
diff --git a/MapLoader.NUnitTests/benchmark/world/db/LOCK b/MapLoader.NUnitTests/benchmark/world/db/LOCK
deleted file mode 100644
index e69de29b..00000000
diff --git a/MapLoader.NUnitTests/benchmark/world/db/MANIFEST-000103 b/MapLoader.NUnitTests/benchmark/world/db/MANIFEST-000103
new file mode 100644
index 00000000..a0512581
Binary files /dev/null and b/MapLoader.NUnitTests/benchmark/world/db/MANIFEST-000103 differ
diff --git a/MapLoader.NUnitTests/benchmark/world/db/MANIFEST-001498 b/MapLoader.NUnitTests/benchmark/world/db/MANIFEST-001498
deleted file mode 100644
index fbe64142..00000000
Binary files a/MapLoader.NUnitTests/benchmark/world/db/MANIFEST-001498 and /dev/null differ
diff --git a/MapLoader.NUnitTests/benchmark/world/level.dat b/MapLoader.NUnitTests/benchmark/world/level.dat
index 678c25e8..7b4ac605 100644
Binary files a/MapLoader.NUnitTests/benchmark/world/level.dat and b/MapLoader.NUnitTests/benchmark/world/level.dat differ
diff --git a/MapLoader.NUnitTests/benchmark/world/level.dat_old b/MapLoader.NUnitTests/benchmark/world/level.dat_old
index 6be48bef..72aa5978 100644
Binary files a/MapLoader.NUnitTests/benchmark/world/level.dat_old and b/MapLoader.NUnitTests/benchmark/world/level.dat_old differ
diff --git a/MapLoader.NUnitTests/benchmark/world/levelname.txt b/MapLoader.NUnitTests/benchmark/world/levelname.txt
index 3eec8496..c03ddeb8 100644
--- a/MapLoader.NUnitTests/benchmark/world/levelname.txt
+++ b/MapLoader.NUnitTests/benchmark/world/levelname.txt
@@ -1 +1 @@
-Benchmark New
\ No newline at end of file
+1.19.0 Test
\ No newline at end of file
diff --git a/MapLoader.NUnitTests/benchmark/world/world_icon.jpeg b/MapLoader.NUnitTests/benchmark/world/world_icon.jpeg
index 8eb7665e..b4dda940 100644
Binary files a/MapLoader.NUnitTests/benchmark/world/world_icon.jpeg and b/MapLoader.NUnitTests/benchmark/world/world_icon.jpeg differ
diff --git a/Maploader/World/World.cs b/Maploader/World/World.cs
index e2294555..30905b38 100644
--- a/Maploader/World/World.cs
+++ b/Maploader/World/World.cs
@@ -120,6 +120,7 @@ public Chunk GetChunk(int x, int z, ChunkData data)
             return c;
         }
 
+        [Obsolete("Use GetChunk(int x, int z, ChunkData data) instead")]
         public Chunk GetChunk(int x, int z)
         {
             bool haveData = false;
@@ -130,14 +131,14 @@ public Chunk GetChunk(int x, int z)
 
             var key = CreateKey(x, z);
 
-            for (byte subChunkIdx = 0; subChunkIdx < 15; subChunkIdx++)
+            for (sbyte subChunkIdx = -4; subChunkIdx < 20; subChunkIdx++)
             {
-                key[9] = subChunkIdx;
+                key[9] = (byte)subChunkIdx;
                 UIntPtr length;
                 var data = db.Get(key, out length);
                 if (data != null)
                 {
-                    subChunks[subChunkIdx] = data;
+                    subChunks[(byte)subChunkIdx] = data;
                     haveData = true;
                 }
             }
diff --git a/readme.md b/readme.md
index c0c4aa80..4cad2983 100644
--- a/readme.md
+++ b/readme.md
@@ -1,6 +1,5 @@
 Chat: [![Discord](https://img.shields.io/discord/569841820092203011.svg?logo=discord&logoColor=white)](https://discord.gg/J2sBaXa) <br>
-Windows: [![Build status](https://ci.appveyor.com/api/projects/status/tfspbbi72bx73qg8?svg=true)](https://ci.appveyor.com/project/mjungnickel18/papyruscs) <br>
-Linux: [![Build status](https://ci.appveyor.com/api/projects/status/xo9ew31l49hayjcm?svg=true)](https://ci.appveyor.com/project/mjungnickel18/papyruscs-ytqjm) <br>
+Build: [![GitHub Workflow Status](https://img.shields.io/github/workflow/status/papyrus-mc/papyruscs/publish?logo=github)](https://github.com/papyrus-mc/papyruscs/actions/workflows/publish.yml?query=branch%3Amaster) <br>
 
 # Papyrus