diff --git a/app/src/main/assets/cubemap/underwater/negz.ktx b/app/src/main/assets/cubemap/underwater/negz.ktx
index def3481b9..24844921a 100644
Binary files a/app/src/main/assets/cubemap/underwater/negz.ktx and b/app/src/main/assets/cubemap/underwater/negz.ktx differ
diff --git a/app/src/main/res/values/options_values.xml b/app/src/main/res/values/options_values.xml
index 712dcccc2..36e9b8ffd 100644
--- a/app/src/main/res/values/options_values.xml
+++ b/app/src/main/res/values/options_values.xml
@@ -5,7 +5,7 @@
         <item>@string/developer_options_env_void</item>
         <item>@string/developer_options_env_cave</item>
         <item>@string/developer_options_env_offworld</item>
-        <!--<item>@string/developer_options_env_underwater</item>-->
+        <item>@string/developer_options_env_underwater</item>
         <item>@string/developer_options_env_winter</item>
         <item>@string/developer_options_env_meadow</item>
     </string-array>
@@ -14,7 +14,7 @@
         <item>void</item>
         <item>cave</item>
         <item>offworld</item>
-        <!--<item>underwater</item>-->
+        <item>underwater</item>
         <item>winter</item>
         <item>meadow</item>
     </string-array>
@@ -23,7 +23,7 @@
         <item>@color/black</item>
         <item>@drawable/environment_cave</item>
         <item>@drawable/environment_offworld</item>
-        <!--<item>@drawable/environment_underwater</item>-->
+        <item>@drawable/environment_underwater</item>
         <item>@drawable/environment_winter</item>
         <item>@drawable/environment_meadow</item>
     </array>
diff --git a/app/src/uncompressed_assets/main/assets/cubemap/underwater/negz.jpg b/app/src/uncompressed_assets/main/assets/cubemap/underwater/negz.jpg
index 713cabfa5..5d6b8b205 100644
Binary files a/app/src/uncompressed_assets/main/assets/cubemap/underwater/negz.jpg and b/app/src/uncompressed_assets/main/assets/cubemap/underwater/negz.jpg differ