diff --git a/src/gameui/scripts/GameScriptFunctionsScriptEvents.cpp b/src/gameui/scripts/GameScriptFunctionsScriptEvents.cpp
index e92432e..81af2c6 100644
--- a/src/gameui/scripts/GameScriptFunctionsScriptEvents.cpp
+++ b/src/gameui/scripts/GameScriptFunctionsScriptEvents.cpp
@@ -52,7 +52,6 @@ static int32_t Script_UnitIsUnit(lua_State* L) {
 
 static int32_t Script_UnitIsPlayer(lua_State* L) {
     // TODO
-    __debugbreak();
     lua_pushnil(L);
     return 1;
 }
diff --git a/src/ui/CSimpleMessageFrame.cpp b/src/ui/CSimpleMessageFrame.cpp
new file mode 100644
index 0000000..ea4e0a3
--- /dev/null
+++ b/src/ui/CSimpleMessageFrame.cpp
@@ -0,0 +1,39 @@
+#include "ui/CSimpleMessageFrame.hpp"
+#include "ui/CSimpleMessageFrameScript.hpp"
+
+int32_t CSimpleMessageFrame::s_metatable = 0;
+int32_t CSimpleMessageFrame::s_objectType = 0;
+
+void CSimpleMessageFrame::CreateScriptMetaTable() {
+    lua_State* L = FrameScript_GetContext();
+    int32_t ref = FrameScript_Object::CreateScriptMetaTable(L, &CSimpleMessageFrame::RegisterScriptMethods);
+    CSimpleMessageFrame::s_metatable = ref;
+}
+
+int32_t CSimpleMessageFrame::GetObjectType() {
+    if (!CSimpleMessageFrame::s_objectType) {
+        CSimpleMessageFrame::s_objectType = ++FrameScript_Object::s_objectTypes;
+    }
+
+    return CSimpleMessageFrame::s_objectType;
+}
+
+void CSimpleMessageFrame::RegisterScriptMethods(lua_State* L) {
+    CSimpleFrame::RegisterScriptMethods(L);
+    FrameScript_Object::FillScriptMethodTable(L, SimpleMessageFrameMethods, NUM_SIMPLE_MESSAGE_FRAME_SCRIPT_METHODS);
+}
+
+CSimpleMessageFrame::CSimpleMessageFrame(CSimpleFrame* parent)
+    : CSimpleFrame(parent) {
+}
+
+bool CSimpleMessageFrame::IsA(int32_t type) {
+    return type == CSimpleMessageFrame::s_objectType
+        || type == CSimpleFrame::s_objectType
+        || type == CScriptRegion::s_objectType
+        || type == CScriptObject::s_objectType;
+}
+
+int32_t CSimpleMessageFrame::GetScriptMetaTable() {
+    return CSimpleMessageFrame::s_metatable;
+}
diff --git a/src/ui/CSimpleMessageFrame.hpp b/src/ui/CSimpleMessageFrame.hpp
new file mode 100644
index 0000000..2029db0
--- /dev/null
+++ b/src/ui/CSimpleMessageFrame.hpp
@@ -0,0 +1,25 @@
+#ifndef UI_C_SIMPLE_MESSAGE_FRAME_HPP
+#define UI_C_SIMPLE_MESSAGE_FRAME_HPP
+
+#include "ui/CSimpleFrame.hpp"
+
+class CSimpleMessageFrame : public CSimpleFrame {
+    public:
+    // Static variables
+    static int32_t s_metatable;
+    static int32_t s_objectType;
+
+    // Static functions
+    static void CreateScriptMetaTable();
+    static int32_t GetObjectType();
+    static void RegisterScriptMethods(lua_State* L);
+
+    // Member functions
+    CSimpleMessageFrame(CSimpleFrame* parent);
+
+    // Virtual member functions
+    virtual bool IsA(int32_t type);
+    virtual int32_t GetScriptMetaTable();
+};
+
+#endif
diff --git a/src/ui/CSimpleMessageFrameScript.cpp b/src/ui/CSimpleMessageFrameScript.cpp
new file mode 100644
index 0000000..8ca78d7
--- /dev/null
+++ b/src/ui/CSimpleMessageFrameScript.cpp
@@ -0,0 +1,68 @@
+#include "ui/CSimpleMessageFrameScript.hpp"
+#include "ui/CSimpleMessageFrame.hpp"
+#include "util/Lua.hpp"
+#include "util/Unimplemented.hpp"
+
+static int32_t Script_GetOrientation(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_SetOrientation(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_GetMinMaxValues(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_SetMinMaxValues(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_GetValue(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_SetValue(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_GetStatusBarTexture(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_SetStatusBarTexture(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_GetStatusBarColor(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_SetStatusBarColor(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_GetRotatesTexture(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+static int32_t Script_SetRotatesTexture(lua_State* L) {
+    WHOA_UNIMPLEMENTED(0);
+}
+
+
+FrameScript_Method SimpleMessageFrameMethods[NUM_SIMPLE_MESSAGE_FRAME_SCRIPT_METHODS] = {
+    { "GetOrientation", &Script_GetOrientation },
+    { "SetOrientation", &Script_SetOrientation },
+    { "GetMinMaxValues", &Script_GetMinMaxValues },
+    { "SetMinMaxValues", &Script_SetMinMaxValues },
+    { "GetValue", &Script_GetValue },
+    { "SetValue", &Script_SetValue },
+    { "GetStatusBarTexture", &Script_GetStatusBarTexture },
+    { "SetStatusBarTexture", &Script_SetStatusBarTexture },
+    { "GetStatusBarColor", &Script_GetStatusBarColor },
+    { "SetStatusBarColor", &Script_SetStatusBarColor },
+    { "GetRotatesTexture", &Script_GetRotatesTexture },
+    { "SetRotatesTexture", &Script_SetRotatesTexture }
+};
diff --git a/src/ui/CSimpleMessageFrameScript.hpp b/src/ui/CSimpleMessageFrameScript.hpp
new file mode 100644
index 0000000..bf01acd
--- /dev/null
+++ b/src/ui/CSimpleMessageFrameScript.hpp
@@ -0,0 +1,10 @@
+#ifndef UI_C_SIMPLE_MESSAGE_FRAME_SCRIPT_HPP
+#define UI_C_SIMPLE_MESSAGE_FRAME_SCRIPT_HPP
+
+#include "ui/FrameScript.hpp"
+
+#define NUM_SIMPLE_MESSAGE_FRAME_SCRIPT_METHODS 12
+
+extern FrameScript_Method SimpleMessageFrameMethods[NUM_SIMPLE_MESSAGE_FRAME_SCRIPT_METHODS];
+
+#endif
diff --git a/src/ui/FrameXML.cpp b/src/ui/FrameXML.cpp
index 9a14b08..763e60a 100644
--- a/src/ui/FrameXML.cpp
+++ b/src/ui/FrameXML.cpp
@@ -8,6 +8,7 @@
 #include "ui/CSimpleModel.hpp"
 #include "ui/CSimpleMovieFrame.hpp"
 #include "ui/CSimpleScrollFrame.hpp"
+#include "ui/CSimpleMessageFrame.hpp"
 #include "ui/CSimpleMessageScrollFrame.hpp"
 #include "ui/CSimpleSlider.hpp"
 #include "ui/CSimpleStatusBar.hpp"
@@ -57,7 +58,8 @@ CSimpleFrame* Create_SimpleFrame(CSimpleFrame* parent) {
 CSimpleFrame* Create_SimpleMessageFrame(CSimpleFrame* parent) {
     // TODO
 
-    return nullptr;
+    auto m = SMemAlloc(sizeof(CSimpleMessageFrame), __FILE__, __LINE__, 0x0);
+    return new (m) CSimpleMessageFrame(parent);
 }
 
 CSimpleFrame* Create_SimpleModel(CSimpleFrame* parent) {
diff --git a/src/ui/ScriptFunctions.cpp b/src/ui/ScriptFunctions.cpp
index 1b9780f..466d271 100644
--- a/src/ui/ScriptFunctions.cpp
+++ b/src/ui/ScriptFunctions.cpp
@@ -12,6 +12,7 @@
 #include "ui/CSimpleScrollFrame.hpp"
 #include "ui/CSimpleSlider.hpp"
 #include "ui/CSimpleTexture.hpp"
+#include "ui/CSimpleMessageFrame.hpp"
 #include "ui/CSimpleMessageScrollFrame.hpp"
 #include "ui/CSimpleStatusBar.hpp"
 #include "ui/FrameScript.hpp"
@@ -79,8 +80,7 @@ void RegisterSimpleFrameScriptMethods() {
     CSimpleEditBox::CreateScriptMetaTable();
     CSimpleHTML::CreateScriptMetaTable();
 
-    // TODO
-    // CSimpleMessageFrame::CreateScriptMetaTable();
+    CSimpleMessageFrame::CreateScriptMetaTable();
     CSimpleMessageScrollFrame::CreateScriptMetaTable();
 
     CSimpleModel::CreateScriptMetaTable();