diff --git a/Assets/Scripts/AudioManager.cs b/Assets/Scripts/AudioManager.cs
index 1e7f5ce..c00020e 100644
--- a/Assets/Scripts/AudioManager.cs
+++ b/Assets/Scripts/AudioManager.cs
@@ -30,6 +30,13 @@ public class AudioManager : MonoBehaviour
             return instance;
         }
     }
+
+    [SerializeField, Range(0, 1)]
+    private float masterVolume = 1f;
+
+    private float prevMasterVolume;
+
+    private FMOD.ChannelGroup masterChannelGroup;
     
     void Awake()
     {
@@ -43,6 +50,20 @@ public class AudioManager : MonoBehaviour
         InitFmod();
     }
 
+    void Update()
+    {
+        if (!fmodSystem.hasHandle() || !masterChannelGroup.hasHandle())
+            return;
+
+        if (!Mathf.Approximately(masterVolume, prevMasterVolume))
+        {
+            masterChannelGroup.setVolume(masterVolume);
+            prevMasterVolume = masterVolume;
+        }
+        
+        masterChannelGroup.getVolume(out masterVolume);
+    }
+
     void OnDisable()
     {
         // Ensure FMOD gets closed before hot reload
@@ -85,6 +106,11 @@ public class AudioManager : MonoBehaviour
 
         result = fmodSystem.init(MaxVirtualChannels, FMOD.INITFLAGS.VOL0_BECOMES_VIRTUAL, IntPtr.Zero);
         CheckFmodResult(result, "FMOD.System.init");
+
+        result = fmodSystem.getMasterChannelGroup(out masterChannelGroup);
+        CheckFmodResult(result, "FMOD.System.getMasterChannelGroup");
+        masterChannelGroup.setVolume(masterVolume);
+        prevMasterVolume = masterVolume;
     }
 
     private void CheckFmodResult(FMOD.RESULT result, string cause)
diff --git a/Assets/Scripts/QuakeParms.cs b/Assets/Scripts/QuakeParms.cs
index f983db9..7d5c845 100644
--- a/Assets/Scripts/QuakeParms.cs
+++ b/Assets/Scripts/QuakeParms.cs
@@ -29,7 +29,9 @@ public class QuakeParms
 
     public IntPtr ToNativePtr()
     {
-        nativeBlock = Marshal.AllocHGlobal(Marshal.SizeOf<QuakeParms>());
+        if (nativeBlock == IntPtr.Zero)
+            nativeBlock = Marshal.AllocHGlobal(Marshal.SizeOf<QuakeParms>());
+        
         Marshal.StructureToPtr(this, nativeBlock, false);
         return nativeBlock;
     }
@@ -48,6 +50,10 @@ public class QuakeParms
     {
         memSize = memorySize;
         memBase = Marshal.AllocHGlobal(memorySize);
+        if (memBase == IntPtr.Zero)
+        {
+            throw new OutOfMemoryException($"Could not allocate {memorySize / 1024 / 1024} MB of heap memory!");
+        }
     }
         
     public void Destroy()
diff --git a/Assets/Scripts/Support/AliasModel.cs b/Assets/Scripts/Support/AliasModel.cs
index caa18e2..781ae9c 100644
--- a/Assets/Scripts/Support/AliasModel.cs
+++ b/Assets/Scripts/Support/AliasModel.cs
@@ -111,6 +111,9 @@ public class AliasModel
                 animName = frameName;
                 continue;
             }
+            
+            // TODO do we maybe need to distinguish between frames and poses here after all?
+            // In most cases frames and poses are correlated 1-to-1, but perhaps not always. This could cause subtle animation glitches.
 
             if (frameName != animName)
             {
@@ -284,7 +287,7 @@ public class AliasModel
         mesh.SetUVs(0, uvs);
         mesh.Optimize();
         mesh.RecalculateBounds();
-        mesh.UploadMeshData(false);
+        mesh.UploadMeshData(false); // Meshes have to stay in RAM, otherwise they won't show up in standalone builds
         return mesh;
     }
 
diff --git a/Assets/Styles/GLQuake/GLQuake.asset b/Assets/Styles/GLQuake/GLQuake.asset
index ad7c1fd..eba8ec3 100644
--- a/Assets/Styles/GLQuake/GLQuake.asset
+++ b/Assets/Styles/GLQuake/GLQuake.asset
@@ -16,9 +16,9 @@ MonoBehaviour:
   worldMaterial: {fileID: 2100000, guid: fcbaf32c00bea2344bbb1419c61364b6, type: 2}
   liquidMaterial: {fileID: 2100000, guid: cd59502a1689c0847a1963c60e347987, type: 2}
   liquidProperties:
-    waterAlpha: 0.85
-    slimeAlpha: 0.9
-    lavaAlpha: 0.95
+    waterAlpha: 0.8
+    slimeAlpha: 0.85
+    lavaAlpha: 0.9
     teleporterAlpha: 1
   particles:
     explosion: {fileID: 0}
diff --git a/ProjectSettings/DynamicsManager.asset b/ProjectSettings/DynamicsManager.asset
index cdc1f3e..084758c 100644
--- a/ProjectSettings/DynamicsManager.asset
+++ b/ProjectSettings/DynamicsManager.asset
@@ -3,10 +3,11 @@
 --- !u!55 &1
 PhysicsManager:
   m_ObjectHideFlags: 0
-  serializedVersion: 11
-  m_Gravity: {x: 0, y: -9.81, z: 0}
+  serializedVersion: 13
+  m_Gravity: {x: 0, y: -800, z: 0}
   m_DefaultMaterial: {fileID: 0}
   m_BounceThreshold: 2
+  m_DefaultMaxDepenetrationVelocity: 10
   m_SleepThreshold: 0.005
   m_DefaultContactOffset: 0.01
   m_DefaultSolverIterations: 6
@@ -22,6 +23,7 @@ PhysicsManager:
   m_AutoSyncTransforms: 0
   m_ReuseCollisionCallbacks: 1
   m_ClothInterCollisionSettingsToggle: 0
+  m_ClothGravity: {x: 0, y: -9.81, z: 0}
   m_ContactPairsMode: 0
   m_BroadphaseType: 0
   m_WorldBounds:
@@ -31,4 +33,5 @@ PhysicsManager:
   m_FrictionType: 0
   m_EnableEnhancedDeterminism: 0
   m_EnableUnifiedHeightmaps: 1
-  m_DefaultMaxAngluarSpeed: 7
+  m_SolverType: 0
+  m_DefaultMaxAngularSpeed: 7