diff --git a/src/gameui/CGTooltipScript.cpp b/src/gameui/CGTooltipScript.cpp
index a9482ae..a26a188 100644
--- a/src/gameui/CGTooltipScript.cpp
+++ b/src/gameui/CGTooltipScript.cpp
@@ -1,4 +1,5 @@
 #include "gameui/CGTooltipScript.hpp"
+#include "gameui/CGTooltip.hpp"
 #include "util/Lua.hpp"
 #include "util/Unimplemented.hpp"
 
@@ -23,11 +24,40 @@ static int32_t Script_GetPadding(lua_State* L) {
 }
 
 static int32_t Script_IsOwned(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    auto type = CGTooltip::GetObjectType();
+    auto tooltip = static_cast<CGTooltip*>(FrameScript_GetObjectThis(L, type));
+
+    if (lua_type(L, 2) != LUA_TTABLE) {
+        return luaL_error(L, "Usage: %s:IsOwned(frame)", tooltip->GetDisplayName());
+    }
+
+    lua_rawgeti(L, 2, 0);
+    auto frame = static_cast<CScriptObject*>(lua_touserdata(L, -1));
+    lua_settop(L, -2);
+
+    if (!frame) {
+        return luaL_error(L, "%s:IsOwned(): Couldn't find 'this' in frame object", tooltip->GetDisplayName());
+    }
+
+    if (!frame->IsA(CSimpleFrame::GetObjectType())) {
+        return luaL_error(L, "%s:IsOwned(): Wrong object type, expected frame", tooltip->GetDisplayName());
+    }
+
+    if (tooltip->m_parent == frame) {
+        lua_pushnumber(L, 1.0);
+    } else {
+        lua_pushnil(L);
+    }
+    return 1;
 }
 
 static int32_t Script_GetOwner(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    auto type = CGTooltip::GetObjectType();
+    auto tooltip = static_cast<CGTooltip*>(FrameScript_GetObjectThis(L, type));
+
+    // TODO
+    lua_pushnil(L);
+    return 1;
 }
 
 static int32_t Script_SetOwner(lua_State* L) {
diff --git a/src/gameui/GameScriptFunctions.cpp b/src/gameui/GameScriptFunctions.cpp
index 1dc6fe3..614d3b9 100644
--- a/src/gameui/GameScriptFunctions.cpp
+++ b/src/gameui/GameScriptFunctions.cpp
@@ -20,6 +20,7 @@
 void RegisterSimpleFrameScriptMethods();
 int32_t Script_GetScreenWidth(lua_State* L);
 int32_t Script_GetScreenHeight(lua_State* L);
+int32_t Script_GetCursorPosition(lua_State* L);
 
 
 static int32_t Script_FrameXML_Debug(lua_State* L) {
@@ -741,10 +742,6 @@ static int32_t Script_CancelSummon(lua_State* L) {
     WHOA_UNIMPLEMENTED(0);
 }
 
-static int32_t Script_GetCursorPosition(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
-}
-
 static int32_t Script_GetNetStats(lua_State* L) {
     // v1 = ClientServices__Connection();
     // NetClient__GetNetStats(v1, &v5, &v4, (int*)&v3);
@@ -1153,11 +1150,17 @@ static int32_t Script_IsAddOnLoadOnDemand(lua_State* L) {
 }
 
 static int32_t Script_IsAddOnLoaded(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    // TODO
+    lua_pushnil(L);
+    lua_pushnil(L);
+    return 2;
 }
 
 static int32_t Script_LoadAddOn(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    // TODO
+    lua_pushnil(L);
+    lua_pushstring(L, "UNKNOWN_ERROR");
+    return 2;
 }
 
 static int32_t Script_PartialPlayTime(lua_State* L) {
diff --git a/src/gameui/scripts/GameScriptFunctionsBattlefieldInfo.cpp b/src/gameui/scripts/GameScriptFunctionsBattlefieldInfo.cpp
index 34476c0..7931aaf 100644
--- a/src/gameui/scripts/GameScriptFunctionsBattlefieldInfo.cpp
+++ b/src/gameui/scripts/GameScriptFunctionsBattlefieldInfo.cpp
@@ -105,7 +105,8 @@ static int32_t Script_GetBattlefieldStatData(lua_State* L) {
 }
 
 static int32_t Script_RequestBattlefieldPositions(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    // TODO: sub_54CF60
+    return 0;
 }
 
 static int32_t Script_GetNumBattlefieldPositions(lua_State* L) {
diff --git a/src/gameui/scripts/GameScriptFunctionsCharacterInfo.cpp b/src/gameui/scripts/GameScriptFunctionsCharacterInfo.cpp
index 5110dd3..165627d 100644
--- a/src/gameui/scripts/GameScriptFunctionsCharacterInfo.cpp
+++ b/src/gameui/scripts/GameScriptFunctionsCharacterInfo.cpp
@@ -161,7 +161,14 @@ static int32_t Script_ClearInspectPlayer(lua_State* L) {
 }
 
 static int32_t Script_GetWeaponEnchantInfo(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    // TODO
+    lua_pushnil(L);
+    lua_pushnil(L);
+    lua_pushnil(L);
+    lua_pushnil(L);
+    lua_pushnil(L);
+    lua_pushnil(L);
+    return 6;
 }
 
 static int32_t Script_HasWandEquipped(lua_State* L) {
diff --git a/src/gameui/scripts/GameScriptFunctionsScriptEvents.cpp b/src/gameui/scripts/GameScriptFunctionsScriptEvents.cpp
index 7174dd2..e9224d4 100644
--- a/src/gameui/scripts/GameScriptFunctionsScriptEvents.cpp
+++ b/src/gameui/scripts/GameScriptFunctionsScriptEvents.cpp
@@ -257,7 +257,9 @@ static int32_t Script_UnitIsDeadOrGhost(lua_State* L) {
 }
 
 static int32_t Script_UnitIsConnected(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    // TODO
+    lua_pushnil(L);
+    return 1;
 }
 
 static int32_t Script_UnitAffectingCombat(lua_State* L) {
diff --git a/src/ui/CScriptRegion.cpp b/src/ui/CScriptRegion.cpp
index 6fe36be..19facee 100644
--- a/src/ui/CScriptRegion.cpp
+++ b/src/ui/CScriptRegion.cpp
@@ -64,6 +64,10 @@ bool CScriptRegion::IsDragging() {
     return false;
 }
 
+bool CScriptRegion::IsMouseOver(float a1, float a2, float a3, float a4) {
+    return false;
+}
+
 void CScriptRegion::LoadXML(XMLNode* node, CStatus* status) {
     CLayoutFrame::LoadXML(node, status);
 
diff --git a/src/ui/CScriptRegion.hpp b/src/ui/CScriptRegion.hpp
index fc68977..2714d37 100644
--- a/src/ui/CScriptRegion.hpp
+++ b/src/ui/CScriptRegion.hpp
@@ -29,6 +29,7 @@ class CScriptRegion : public CScriptObject, public CLayoutFrame {
         virtual bool IsA(const char* typeName);
         virtual const char* GetObjectTypeName();
         virtual bool IsDragging();
+        virtual bool IsMouseOver(float a1, float a2, float a3, float a4);
         virtual void PreOnAnimUpdate() {};
         virtual void OnLayerUpdate(float elapsedSec);
         virtual void NotifyAnimBegin(CSimpleAnimGroup* animGroup);
diff --git a/src/ui/CScriptRegionScript.cpp b/src/ui/CScriptRegionScript.cpp
index ff56269..5abcd14 100644
--- a/src/ui/CScriptRegionScript.cpp
+++ b/src/ui/CScriptRegionScript.cpp
@@ -518,7 +518,23 @@ int32_t CScriptRegion_IsDragging(lua_State* L) {
 }
 
 int32_t CScriptRegion_IsMouseOver(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    int32_t type = CScriptRegion::GetObjectType();
+    auto region = static_cast<CScriptRegion*>(FrameScript_GetObjectThis(L, type));
+
+    float rect[4];
+    for (int32_t i = 0; i < 4; ++i) {
+        if (lua_isnumber(L, i + 2)) {
+            rect[i] = lua_tonumber(L, i + 2);
+            rect[i] /= CoordinateGetAspectCompensation() * 1024.0f;
+            rect[i] = NDCToDDCWidth(rect[i]);
+        } else {
+            rect[i] = 0.0f;
+        }
+    }
+
+    auto result = region->IsMouseOver(rect[0], rect[1], rect[2], rect[3]);
+    lua_pushboolean(L, result);
+    return 1;
 }
 
 FrameScript_Method ScriptRegionMethods[NUM_SCRIPT_REGION_SCRIPT_METHODS] = {
diff --git a/src/ui/CSimpleButtonScript.cpp b/src/ui/CSimpleButtonScript.cpp
index 8010475..2fa05fc 100644
--- a/src/ui/CSimpleButtonScript.cpp
+++ b/src/ui/CSimpleButtonScript.cpp
@@ -71,7 +71,10 @@ int32_t CSimpleButton_Disable(lua_State* L) {
 }
 
 int32_t CSimpleButton_IsEnabled(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    auto type = CSimpleButton::GetObjectType();
+    auto button = static_cast<CSimpleButton*>(FrameScript_GetObjectThis(L, type));
+    lua_pushnumber(L, button->GetButtonState() != BUTTONSTATE_DISABLED);
+    return 1;
 }
 
 int32_t CSimpleButton_GetButtonState(lua_State* L) {
diff --git a/src/ui/CSimpleFontStringScript.cpp b/src/ui/CSimpleFontStringScript.cpp
index f7b5594..0032ef2 100644
--- a/src/ui/CSimpleFontStringScript.cpp
+++ b/src/ui/CSimpleFontStringScript.cpp
@@ -56,11 +56,25 @@ int32_t CSimpleFontString_Hide(lua_State* L) {
 }
 
 int32_t CSimpleFontString_IsVisible(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    auto type = CSimpleFontString::GetObjectType();
+    auto string = static_cast<CSimpleFontString*>(FrameScript_GetObjectThis(L, type));
+    if (string->m_visible) {
+        lua_pushnumber(L, 1.0);
+    } else {
+        lua_pushnil(L);
+    }
+    return 1;
 }
 
 int32_t CSimpleFontString_IsShown(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    auto type = CSimpleFontString::GetObjectType();
+    auto string = static_cast<CSimpleFontString*>(FrameScript_GetObjectThis(L, type));
+    if (string->m_shown) {
+        lua_pushnumber(L, 1.0);
+    } else {
+        lua_pushnil(L);
+    }
+    return 1;
 }
 
 int32_t CSimpleFontString_GetFontObject(lua_State* L) {
diff --git a/src/ui/CSimpleTextureScript.cpp b/src/ui/CSimpleTextureScript.cpp
index c5536db..b1ecc61 100644
--- a/src/ui/CSimpleTextureScript.cpp
+++ b/src/ui/CSimpleTextureScript.cpp
@@ -96,11 +96,25 @@ int32_t CSimpleTexture_Hide(lua_State* L) {
 }
 
 int32_t CSimpleTexture_IsVisible(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    auto type = CSimpleTexture::GetObjectType();
+    auto texture = static_cast<CSimpleTexture*>(FrameScript_GetObjectThis(L, type));
+    if (texture->m_visible) {
+        lua_pushnumber(L, 1.0);
+    } else {
+        lua_pushnil(L);
+    }
+    return 1;
 }
 
 int32_t CSimpleTexture_IsShown(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    auto type = CSimpleTexture::GetObjectType();
+    auto texture = static_cast<CSimpleTexture*>(FrameScript_GetObjectThis(L, type));
+    if (texture->m_shown) {
+        lua_pushnumber(L, 1.0);
+    } else {
+        lua_pushnil(L);
+    }
+    return 1;
 }
 
 int32_t CSimpleTexture_GetTexture(lua_State* L) {
@@ -211,11 +225,15 @@ int32_t CSimpleTexture_SetRotation(lua_State* L) {
 }
 
 int32_t CSimpleTexture_SetDesaturated(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    // TODO
+    lua_pushnil(L);
+    return 1;
 }
 
 int32_t CSimpleTexture_IsDesaturated(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    // TODO
+    lua_pushnil(L);
+    return 1;
 }
 
 int32_t CSimpleTexture_SetNonBlocking(lua_State* L) {
diff --git a/src/ui/LuaExtraFuncs.cpp b/src/ui/LuaExtraFuncs.cpp
index 9bde9ef..4720a7b 100644
--- a/src/ui/LuaExtraFuncs.cpp
+++ b/src/ui/LuaExtraFuncs.cpp
@@ -106,7 +106,9 @@ int32_t strlenutf8(lua_State* L) {
 }
 
 int32_t issecure(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    // TODO
+    lua_pushnil(L);
+    return 1;
 }
 
 int32_t issecurevariable(lua_State* L) {