diff --git a/CHANGELOG.md b/CHANGELOG.md
index c20f177..2a3cc74 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Fixed
+
+- Fixed GameplayTags not loading from StreamingAssets on Android (APK/AAB)
+- Fixed GameplayTags not loading from StreamingAssets on WebGL
+
 ## [0.1.0-beta.8] - 2025-09-22
 
 ### Fixed
diff --git a/Runtime/BuildGameplayTagSource.cs b/Runtime/BuildGameplayTagSource.cs
index d4c1c0d..68cda87 100644
--- a/Runtime/BuildGameplayTagSource.cs
+++ b/Runtime/BuildGameplayTagSource.cs
@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 using UnityEngine;
+using UnityEngine.Networking;
 
 namespace BandoWare.GameplayTags
 {
@@ -12,8 +13,11 @@ public void RegisterTags(GameplayTagRegistrationContext context)
       {
          try
          {
-            using FileStream file = File.OpenRead(Path.Combine(Application.streamingAssetsPath, "GameplayTags"));
-            using BinaryReader reader = new(file);
+            string path = Path.Combine(Application.streamingAssetsPath, "GameplayTags");
+            byte[] data = LoadData(path);
+
+            using MemoryStream memoryStream = new(data);
+            using BinaryReader reader = new(memoryStream);
 
             while (reader.BaseStream.Position != reader.BaseStream.Length)
             {
@@ -26,5 +30,48 @@ public void RegisterTags(GameplayTagRegistrationContext context)
             Debug.LogError($"Failed to load gameplay tags from StreamingAssets: {e.Message}");
          }
       }
+
+      private byte[] LoadData(string dataPath)
+      {
+         return Application.platform switch
+         {
+            RuntimePlatform.WebGLPlayer => LoadDataFromWebRequest(dataPath),
+            RuntimePlatform.Android => LoadDataFromWebRequest(dataPath),
+            _ => LoadDataFromFile(dataPath),
+         };
+      }
+
+      private byte[] LoadDataFromWebRequest(string dataPath)
+      {
+         using UnityWebRequest request = UnityWebRequest.Get(dataPath);
+         UnityWebRequestAsyncOperation operation = request.SendWebRequest();
+         while (!operation.isDone) { }
+
+#if UNITY_2020_2_OR_NEWER
+         if (request.result != UnityWebRequest.Result.Success)
+#else
+         if (request.isNetworkError || request.isHttpError)
+#endif
+         {
+            if (request.responseCode == 404)
+               Debug.LogError($"GameplayTags file not found at path: {dataPath}");
+            else
+               Debug.LogError($"Failed to load gameplay tags from StreamingAssets: {request.error}");
+
+            return Array.Empty<byte>();
+         }
+
+         return request.downloadHandler.data;
+      }
+
+      private byte[] LoadDataFromFile(string path)
+      {
+         if (!File.Exists(path))
+         {
+            Debug.LogError($"GameplayTags file not found at path: {path}");
+            return Array.Empty<byte>();
+         }
+         return File.ReadAllBytes(path);
+      }
    }
 }
\ No newline at end of file
diff --git a/Runtime/GameplayTagContainerExtensionMethods.cs b/Runtime/GameplayTagContainerExtensionMethods.cs
index 92e3c19..0f27524 100644
--- a/Runtime/GameplayTagContainerExtensionMethods.cs
+++ b/Runtime/GameplayTagContainerExtensionMethods.cs
@@ -47,24 +47,24 @@ private static bool HasAnyInternal(List<int> tagIndices, List<int> otherTagIndic
          end = ~end;
 
          int j = 1;
-         int i = start + 1;
-         while (i < end && j < otherTagIndices.Count)
+         int i = start;
+         int otherLimit = otherTagIndices.Count - 1;
+
+         while (i < end && j < otherLimit)
          {
-            if (otherTagIndices[j] == tagIndices[i])
+            int tagVal = tagIndices[i];
+            int otherVal = otherTagIndices[j];
+
+            if (tagVal == otherVal)
                return true;
 
-            if (tagIndices[i] > otherTagIndices[j])
+            if (tagVal < otherVal)
             {
                i++;
-               continue;
             }
-
-            j++;
-            while (otherTagIndices[j] < tagIndices[i])
+            else
             {
                j++;
-               if (j == end)
-                  return false;
             }
          }