diff --git a/Client/Rendering/Texture/AtlasLoader.cs b/Client/Rendering/Texture/AtlasLoader.cs
index dc70996..d9d082d 100644
--- a/Client/Rendering/Texture/AtlasLoader.cs
+++ b/Client/Rendering/Texture/AtlasLoader.cs
@@ -9,12 +9,13 @@ namespace Voxel.Client.Rendering.Texture;
 
 public class AtlasLoader {
 
-    private static JsonSerializer Serializer = new JsonSerializer();
-
+    private static JsonSerializer Serializer = new();
+    
     public static void LoadAtlas(AssetReader reader, Atlas target, RenderSystem renderSystem) {
-
-        reader.LoadAll(s => s.StartsWith(Path.Combine("textures", "atlases", target.Name.ToLower())) && s.EndsWith(".json"), (path, stream, length) => {
-
+        bool FilenameMatches(string s)
+            => s.StartsWith(Path.Combine("textures", "atlases", target.Name.ToLower())) && s.EndsWith(".json");
+        
+        foreach ((string path, var stream, int length) in reader.LoadAll(FilenameMatches)) {
             using var sr = new StreamReader(stream);
             using var jsonTextReader = new JsonTextReader(sr);
 
@@ -40,7 +41,7 @@ public static void LoadAtlas(AssetReader reader, Atlas target, RenderSystem rend
             if (jsonObject.Explicit != null && jsonObject.Explicit != null)
                 foreach (var entry in jsonObject.Explicit)
                     target.StitchTexture($"{target.Name.ToLower()}/{entry.Name}", texture, set, new ivec2(entry.X, entry.Y), new ivec2(entry.Width, entry.Height));
-        });
+        }
 
         target.GenerateMipmaps();
         renderSystem.MainCommandList.SetFramebuffer(renderSystem.GraphicsDevice.SwapchainFramebuffer);
diff --git a/Common/Util/Iteration.cs b/Common/Util/Iteration.cs
index 424bc9e..e645baa 100644
--- a/Common/Util/Iteration.cs
+++ b/Common/Util/Iteration.cs
@@ -5,36 +5,16 @@
 namespace Voxel.Common.Util;
 
 public static class Iteration {
-
-    public static IEnumerable<ivec3> Cubic(ivec3 min, ivec3 max) => new PositionIteratorVec3 { Min = min, Max = max };
-    public static IEnumerable<ivec3> Cubic(int min, int max) => new PositionIteratorInt { Min = min, Max = max };
-
-    public static IEnumerable<ivec3> Cubic(int max) => Cubic(0, max);
-
-    private class PositionIteratorVec3 : IEnumerable<ivec3> {
-        public ivec3 Min;
-        public ivec3 Max;
-
-        public IEnumerator<ivec3> GetEnumerator() {
-            for (var x = Min.x; x < Max.x; x++)
-            for (var y = Min.y; y < Max.y; y++)
-            for (var z = Min.z; z < Max.z; z++)
+    public static IEnumerable<ivec3> Cubic(ivec3 min, ivec3 max) {
+        for (int x = min.x; x < max.x; x++) 
+        for (int y = min.y; y < max.y; y++)
+        for (int z = min.z; z < max.z; z++)
                 yield return new(x, y, z);
-        }
-        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
     }
 
-    private class PositionIteratorInt : IEnumerable<ivec3> {
+    public static IEnumerable<ivec3> Cubic(int min, int max)
+        => Cubic(new ivec3(min, min, min), new ivec3(max, max, max));
 
-        public int Min;
-        public int Max;
-
-        public IEnumerator<ivec3> GetEnumerator() {
-            for (var x = Min; x < Max; x++)
-            for (var y = Min; y < Max; y++)
-            for (var z = Min; z < Max; z++)
-                yield return new(x, y, z);
-        }
-        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
-    }
+    public static IEnumerable<ivec3> Cubic(int max)
+        => Cubic(0, max);
 }
diff --git a/Core/Assets/AssetReader.cs b/Core/Assets/AssetReader.cs
index 1ef6f61..ef4a97f 100644
--- a/Core/Assets/AssetReader.cs
+++ b/Core/Assets/AssetReader.cs
@@ -3,7 +3,7 @@
 
 namespace RenderSurface.Assets;
 
-public class AssetReader : IDisposable {
+public sealed class AssetReader : IDisposable {
     public delegate bool ConditionDelegate(string path);
     public delegate void LoadDelegate(string path, Stream stream, int length);
 
@@ -25,16 +25,21 @@ public bool TryGetStream(string path, [NotNullWhen(true)] out Stream? assetStrea
         return true;
     }
 
-    public void LoadAll(ConditionDelegate condition, LoadDelegate loader) {
+    public IEnumerable<(string path, Stream stream, int length)> LoadAll(ConditionDelegate condition) {
         foreach (var entry in File.Entries) {
             if (!condition(entry.FullName))
                 continue;
 
             using var str = entry.Open();
-            loader(entry.FullName, str, (int)entry.Length);
+            yield return (entry.FullName, str, (int)entry.Length);
         }
     }
 
+    public void LoadAll(ConditionDelegate condition, LoadDelegate loader) {
+        foreach ((string path, var stream, int length) in LoadAll(condition))
+            loader(path, stream, length);
+    }
+
     public void Dispose() {
         File.Dispose();
     }
diff --git a/Core/Game.cs b/Core/Game.cs
index 9d54c54..e913804 100644
--- a/Core/Game.cs
+++ b/Core/Game.cs
@@ -1,5 +1,4 @@
-using ImGuiNET;
-using RenderSurface.Assets;
+using RenderSurface.Assets;
 using RenderSurface.Input;
 using RenderSurface.Rendering;
 using Veldrid;
@@ -45,7 +44,7 @@ public void Run(int tps = 20, string windowTitle = "Game") {
 
         isOpen = true;
 
-        AssetReader = new AssetReader("Content.zip");
+        AssetReader = new("Content.zip");
 
         ImGuiRenderer = new(gd, gd.SwapchainFramebuffer.OutputDescription, NativeWindow.Width, NativeWindow.Height);
         RenderSystem = new(this, AssetReader);