diff --git a/osu.Game/Localisation/DebugLocalisationStore.cs b/osu.Game/Localisation/DebugLocalisationStore.cs
new file mode 100644
index 0000000000..2b114b1bd8
--- /dev/null
+++ b/osu.Game/Localisation/DebugLocalisationStore.cs
@@ -0,0 +1,30 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using osu.Framework.Localisation;
+
+namespace osu.Game.Localisation
+{
+    public class DebugLocalisationStore : ILocalisationStore
+    {
+        public string Get(string lookup) => $@"[[{lookup.Substring(lookup.LastIndexOf('.') + 1)}]]";
+
+        public Task<string> GetAsync(string lookup, CancellationToken cancellationToken = default) => Task.FromResult(Get(lookup));
+
+        public Stream GetStream(string name) => throw new NotImplementedException();
+
+        public IEnumerable<string> GetAvailableResources() => throw new NotImplementedException();
+
+        public CultureInfo EffectiveCulture { get; } = CultureInfo.CurrentCulture;
+
+        public void Dispose()
+        {
+        }
+    }
+}
diff --git a/osu.Game/Localisation/Language.cs b/osu.Game/Localisation/Language.cs
index ab96d01c82..c13a1a10cb 100644
--- a/osu.Game/Localisation/Language.cs
+++ b/osu.Game/Localisation/Language.cs
@@ -110,6 +110,11 @@ namespace osu.Game.Localisation
         // zh_hk,
 
         [Description(@"繁體中文（台灣）")]
-        zh_hant
+        zh_hant,
+
+#if DEBUG
+        [Description(@"Debug (show raw keys)")]
+        debug
+#endif
     }
 }
diff --git a/osu.Game/OsuGame.cs b/osu.Game/OsuGame.cs
index 5a150b0c49..ba87c69d8f 100644
--- a/osu.Game/OsuGame.cs
+++ b/osu.Game/OsuGame.cs
@@ -628,6 +628,14 @@ namespace osu.Game
 
             foreach (var language in Enum.GetValues(typeof(Language)).OfType<Language>())
             {
+#if DEBUG
+                if (language == Language.debug)
+                {
+                    Localisation.AddLanguage(Language.debug.ToString(), new DebugLocalisationStore());
+                    continue;
+                }
+#endif
+
                 string cultureCode = language.ToCultureCode();
 
                 try