diff --git a/Source/Client/Mode/ActiveGameMode.h b/Source/Client/Mode/ActiveGameMode.h
index d4c37aa4..88e767b5 100644
--- a/Source/Client/Mode/ActiveGameMode.h
+++ b/Source/Client/Mode/ActiveGameMode.h
@@ -6,10 +6,14 @@
 struct CWorld {
   /* 0000 */ int running;
   /* 0004 */ CMode* gameMode;
-  /* 0008 */ unsigned char unknown_0008[0x50];
+  /* 0008 */ unsigned char unknown_0008[0x28];
+  /* 0030 */ char nextModeName[0x28];
   /* 0058 */ int state;
+  /* 005C */ int nextState;
 
   CMode* ActiveGameMode();
+  void Quit();
+  void Switch(int mode, const char* name);
 };
 
 extern CWorld g_world;
diff --git a/Source/Client/ModeTransitions.cpp b/Source/Client/ModeTransitions.cpp
new file mode 100644
index 00000000..019e889f
--- /dev/null
+++ b/Source/Client/ModeTransitions.cpp
@@ -0,0 +1,27 @@
+#include "Client/Application/ApplicationWindow.h"
+#include "Client/Mode/ActiveGameMode.h"
+#include "Contents/Configuration/ServiceConfiguration.h"
+
+#include <cstring>
+#include <shellapi.h>
+
+// OFFSET: 0x00AD67E0
+// FUNCTION: fn_17845
+void CWorld::Quit() {
+  if (this->gameMode) {
+    this->gameMode->running = 0;
+  }
+
+  if (g_serviceType == 11) {
+    ShellExecuteA(hWnd, "open", "http://www.ragnarok.co.in/index.php", nullptr, nullptr, SW_SHOWNORMAL);
+  }
+  this->running = 0;
+}
+
+// OFFSET: 0x00AD7620
+// FUNCTION: fn_17851
+void CWorld::Switch(int mode, const char* name) {
+  this->gameMode->running = 0;
+  std::strcpy(this->nextModeName, name);
+  this->nextState = mode;
+}
diff --git a/data/compile.json b/data/compile.json
index affd49c9..fad499c9 100644
--- a/data/compile.json
+++ b/data/compile.json
@@ -260,6 +260,7 @@
   "Source/Client/ModeBaseEvents.cpp": 0,
   "Source/Client/ModeFade.cpp": 0,
   "Source/Client/ModeFadeOut.cpp": 0,
+  "Source/Client/ModeTransitions.cpp": 0,
   "Source/Client/Registry.cpp": 0,
   "Source/Client/Replay.cpp": 0,
   "Source/Client/ReplayControl.cpp": 0,