diff --git a/Sources/CMakeLists.txt b/Sources/CMakeLists.txt
index 7f823cb..e17288a 100644
--- a/Sources/CMakeLists.txt
+++ b/Sources/CMakeLists.txt
@@ -152,7 +152,10 @@ endif()
 
 
 # !!! FIXME: I currently force this, but you shouldn't _have_ to.
-add_definitions(-DSINGLE_THREADED=1)
+option(USE_SINGLE_THREAD "Use Single Threaded version" TRUE)
+if(USE_SINGLE_THREAD)
+ add_definitions(-DSINGLE_THREADED=1)
+endif()
 
 
 include_directories(
@@ -585,6 +588,22 @@ if (USE_I386_ASM)
     list(APPEND ADDITIONAL_ENGINE_SRCS SoundMixer386.o)
 endif()
 
+if(USE_SINGLE_THREAD)
+ set(SYNCHRO_SRCS
+    Engine/Base/NullSynchronization.cpp  # single threaded.
+ )
+else()
+ #!! TODO Win32/Linux case
+ set(SYNCHRO_SRCS
+    Engine/Base/Unix/UnixSynchronization.cpp  # multithreaded Unix.
+    #Engine/Base/SDL/SDLSynchronization.cpp
+    #Engine/Base/SDL/SDLThreadLocalStorage.cpp  # multithreaded Unix.
+ )
+    #Engine/Base/Registry.cpp  # Windows only.
+    #Engine/Base/StackDump.cpp  # Windows only.
+    #Engine/Base/Win32/Win32Synchronization.cpp # Windows only.
+endif()
+
 set(ENGINE_SRCS
     ${ENGINE_ENTITIES_CPP}
     Engine/Engine.cpp
@@ -623,12 +642,7 @@ set(ENGINE_SRCS
     Engine/Base/SDL/SDLTimer.cpp
     Engine/Base/SDL/SDLInput.cpp
     Engine/Base/SDL/SDLEvents.cpp
-    Engine/Base/NullSynchronization.cpp  # single threaded.
-    #Engine/Base/Unix/UnixSynchronization.cpp  # multithreaded Unix.
-    #Engine/Base/SDL/SDLThreadLocalStorage.cpp  # multithreaded Unix.
-    #Engine/Base/Registry.cpp  # Windows only.
-    #Engine/Base/StackDump.cpp  # Windows only.
-    #Engine/Base/Win32/Win32Synchronization.cpp # Windows only.
+    ${SYNCHRO_SRCS}
     Engine/Brushes/Brush.cpp
     Engine/Brushes/BrushIO.cpp
     Engine/Brushes/BrushShadows.cpp
diff --git a/Sources/Engine/Base/Lists.cpp b/Sources/Engine/Base/Lists.cpp
old mode 100644
new mode 100755
diff --git a/Sources/Engine/Base/SDL/SDLEvents.cpp b/Sources/Engine/Base/SDL/SDLEvents.cpp
old mode 100644
new mode 100755
index 7732a66..aad7b99
--- a/Sources/Engine/Base/SDL/SDLEvents.cpp
+++ b/Sources/Engine/Base/SDL/SDLEvents.cpp
@@ -50,6 +50,13 @@ BOOL PeekMessage(MSG *msg, void *hwnd, UINT wMsgFilterMin,
             case SDL_KEYUP:
                 if (sdlevent.key.keysym.sym == SDLK_BACKQUOTE)
                     msg->unicode = '~';  // !!! FIXME: this is all a hack.
+                #ifdef PLATFORM_PANDORA
+                if(sdlevent.key.keysym.sym == SDLK_RCTRL) {
+                    msg->message = (sdlevent.type==SDL_KEYDOWN)?WM_RBUTTONDOWN:WM_RBUTTONUP;
+                } else if(sdlevent.key.keysym.sym == SDLK_RSHIFT) {
+                    msg->message = (sdlevent.type==SDL_KEYDOWN)?WM_LBUTTONDOWN:WM_LBUTTONUP;
+                } else
+                #endif
                 msg->wParam = sdlevent.key.keysym.sym;
                 return TRUE;
 
@@ -107,17 +114,28 @@ void DispatchMessage(MSG *msg)
 SHORT GetKeyState(int vk)
 {
     SHORT retval = 0;
+#ifdef PLATFORM_PANDORA
+    Uint8 *keystate = SDL_GetKeyboardState(NULL);
+#endif
 
     switch (vk)
     {
         case VK_LBUTTON:
             if (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON_LMASK)
                 retval = 0x8000;
+            #ifdef PLATFORM_PANDORA
+            if(keystate[SDL_SCANCODE_RSHIFT])
+                retval = 0x8000;
+            #endif
             break;
 
         case VK_RBUTTON:
             if (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON_RMASK)
                 retval = 0x8000;
+            #ifdef PLATFORM_PANDORA
+            if(keystate[SDL_SCANCODE_RCTRL])
+                retval = 0x8000;
+            #endif
             break;
 
         case VK_MBUTTON:
@@ -127,7 +145,11 @@ SHORT GetKeyState(int vk)
 
         default:
             STUBBED("this can't possibly be right, yeah?");
+            #ifdef PLATFORM_PANDORA
+            if (keystate[SDL_GetScancodeFromKey((SDL_Keycode)vk)])
+            #else
             if (SDL_GetKeyboardState(NULL)[SDL_GetScancodeFromKey((SDL_Keycode)vk)])
+            #endif
                 retval = 0x8000;
             break;
     } // switch
diff --git a/Sources/Engine/Base/SDL/SDLInput.cpp b/Sources/Engine/Base/SDL/SDLInput.cpp
index ef4efd5..d378cc1 100755
--- a/Sources/Engine/Base/SDL/SDLInput.cpp
+++ b/Sources/Engine/Base/SDL/SDLInput.cpp
@@ -49,6 +49,8 @@ INDEX inp_bMsgDebugger = FALSE;
 INDEX inp_bForceJoystickPolling = 0;
 INDEX inp_bAutoDisableJoysticks = 0;
 
+static CTCriticalSection sl_csInput;
+
 extern INDEX inp_ctJoysticksAllowed;
 
 /*
@@ -281,6 +283,16 @@ static void SetKeyFromEvent(const SDL_Event *event, const BOOL bDown)
     return;
   } // if
 
+  #ifdef PLATFORM_PANDORA
+  if(event->key.keysym.sym==SDLK_RSHIFT) {
+    _abKeysPressed[KID_MOUSE1] = bDown;
+    return;
+  } else if(event->key.keysym.sym==SDLK_RCTRL) {
+    _abKeysPressed[KID_MOUSE2] = bDown;
+    return;
+  }
+  #endif
+
     // convert virtualkey to kid
   const INDEX iKID = _aiScancodeToKid[event->key.keysym.scancode];
 
@@ -333,10 +345,14 @@ static void sdl_event_handler(const SDL_Event *event)
 int SE_SDL_InputEventPoll(SDL_Event *sdlevent)
 {
     ASSERT(sdlevent != NULL);
-    const int retval = SDL_PollEvent(sdlevent);
-    if (retval)
-        sdl_event_handler(sdlevent);
-    return retval;
+    CTSingleLock slInput(&sl_csInput, FALSE);
+    if(slInput.TryToLock()) {
+      const int retval = SDL_PollEvent(sdlevent);
+      if (retval)
+          sdl_event_handler(sdlevent);
+      return retval;
+    }
+    return 0;
 } // SE_SDL_InputEventPoll
 
 
@@ -495,6 +511,9 @@ BOOL CInput::PlatformInit(void)
   _pShell->DeclareSymbol("persistent user INDEX inp_bSDLPermitCtrlG;", (void*)&inp_bSDLPermitCtrlG);
   _pShell->DeclareSymbol("persistent user INDEX inp_bSDLGrabInput;", (void*)&inp_bSDLGrabInput);
   MakeConversionTables();
+
+  sl_csInput.cs_iIndex = 3000;
+
   return(TRUE);
 }
 
@@ -656,11 +675,16 @@ void CInput::DisableInput( void)
   inp_bPollJoysticks = FALSE;
 }
 
+#define USE_MOUSEWARP 1
+// Define this to use GetMouse instead of using Message to read mouse coordinates
 
 // blank any queued mousemove events...SDLInput.cpp needs this when
 //  returning from the menus/console to game or the viewport will jump...
 void CInput::ClearRelativeMouseMotion(void)
 {
+    #if USE_MOUSEWARP
+    SDL_GetRelativeMouseState(NULL, NULL);
+    #endif
     mouse_relative_x = mouse_relative_y = 0;
 }
 
@@ -697,12 +721,25 @@ void CInput::GetInput(BOOL bPreScan)
       // get codes
       INDEX iKID  = kc.kc_iKID;
       //INDEX iScan = kc.kc_iScanCode;
-      //INDEX iVirt = kc.kc_iVirtKey;
-
-      // if snooped that key is pressed
-      if (_abKeysPressed[iKID]) {
-        // mark it as pressed
-        inp_ubButtonsBuffer[iKID] = 0xFF;
+      INDEX iVirt = kc.kc_iVirtKey;
+      // if reading async keystate
+      if (inp_iKeyboardReadingMethod==0) {
+        // if there is a valid virtkey
+        if (iVirt>=0) {
+          // is state is pressed
+          if (SDL_GetKeyboardState(NULL)[SDL_GetScancodeFromKey((SDL_Keycode)iVirt)]) {
+            // mark it as pressed
+            inp_ubButtonsBuffer[iKID] = 0xFF;
+          }
+        }
+      }
+      else
+      {
+        // if snooped that key is pressed
+        if (_abKeysPressed[iKID]) {
+          // mark it as pressed
+          inp_ubButtonsBuffer[iKID] = 0xFF;
+        }
       }
     }
   }
@@ -712,7 +749,15 @@ void CInput::GetInput(BOOL bPreScan)
   _abKeysPressed[KID_MOUSEWHEELDOWN] = FALSE;
 
   // read mouse position
-  if ((mouse_relative_x != 0) || (mouse_relative_y != 0)) {
+  #ifdef USE_MOUSEWARP
+  int iMx, iMy;
+  SDL_GetRelativeMouseState(&iMx, &iMy);
+  mouse_relative_x = iMx;
+  mouse_relative_y = iMy;
+  #else
+  if ((mouse_relative_x != 0) || (mouse_relative_y != 0)) 
+  #endif
+  {
     FLOAT fDX = FLOAT( mouse_relative_x );
     FLOAT fDY = FLOAT( mouse_relative_y );
 
@@ -762,11 +807,14 @@ void CInput::GetInput(BOOL bPreScan)
     inp_caiAllAxisInfo[1].cai_fReading = fMouseRelX;
     inp_caiAllAxisInfo[2].cai_fReading = fMouseRelY;
     inp_caiAllAxisInfo[3].cai_fReading = fMouseRelZ;
-  } else {
+  } 
+  #ifndef USE_MOUSEWARP
+  else {
     inp_caiAllAxisInfo[1].cai_fReading = 0.0;
     inp_caiAllAxisInfo[2].cai_fReading = 0.0;
     inp_caiAllAxisInfo[3].cai_fReading = 0.0;
   }
+  #endif
 
 /*
   // if not pre-scanning
diff --git a/Sources/Engine/Base/Stream.cpp b/Sources/Engine/Base/Stream.cpp
old mode 100644
new mode 100755
diff --git a/Sources/Engine/Base/Timer.cpp b/Sources/Engine/Base/Timer.cpp
old mode 100644
new mode 100755
index 8922297..db603b3
--- a/Sources/Engine/Base/Timer.cpp
+++ b/Sources/Engine/Base/Timer.cpp
@@ -195,8 +195,9 @@ void __stdcall CTimer_TimerFunc(UINT uID, UINT uMsg, ULONG dwUser, ULONG dw1, UL
 }
 #elif (defined PLATFORM_UNIX)
 #include "SDL.h"
-Uint32 CTimer_TimerFunc_SDL(Uint32 interval)
+Uint32 CTimer_TimerFunc_SDL(Uint32 interval, void* param)
 {
+  (void)param;
   // access to the list of handlers must be locked
   CTSingleLock slHooks(&_pTimer->tm_csHooks, TRUE);
   // handle all timers
@@ -433,8 +434,8 @@ CTimer::CTimer(BOOL bInterrupt /*=TRUE*/)
    #else
 
     if (SDL_Init(SDL_INIT_TIMER) == -1) FatalError(TRANS("Cannot initialize multimedia timer!"));
-    SDL_SetTimer(ULONG(TickQuantum*1000.0f), CTimer_TimerFunc_SDL);
-
+    tm_TimerID = SDL_AddTimer(ULONG(TickQuantum*1000.0f), CTimer_TimerFunc_SDL, NULL);
+    if( tm_TimerID==NULL) FatalError(TRANS("Cannot initialize multimedia timer!"));
    #endif
 
     // make sure that timer interrupt is ticking
@@ -473,7 +474,7 @@ CTimer::~CTimer(void)
   ASSERT(tm_lhHooks.IsEmpty());
 
 #else
-    SDL_SetTimer(0, NULL);
+    SDL_RemoveTimer(tm_TimerID);
 #endif
 
 #endif
diff --git a/Sources/Engine/Base/Timer.h b/Sources/Engine/Base/Timer.h
old mode 100644
new mode 100755
index 0d77e62..f0660e1
--- a/Sources/Engine/Base/Timer.h
+++ b/Sources/Engine/Base/Timer.h
@@ -82,7 +82,11 @@ public:
   FLOAT tm_fLerpFactor;   // factor used for lerping between frames
   FLOAT tm_fLerpFactor2;  // secondary lerp-factor used for unpredicted movement
 
+  #ifdef PLATFORM_WIN32
   ULONG tm_TimerID;       // windows timer ID
+  #else
+  int tm_TimerID;         // SDL_TimerID in fact
+  #endif
 
   CTCriticalSection tm_csHooks;   // access to timer hooks
   CListHead         tm_lhHooks;   // a list head for timer hooks
diff --git a/Sources/Engine/Base/Unix/UnixSynchronization.cpp b/Sources/Engine/Base/Unix/UnixSynchronization.cpp
index 07dc8f9..12e6d77 100644
--- a/Sources/Engine/Base/Unix/UnixSynchronization.cpp
+++ b/Sources/Engine/Base/Unix/UnixSynchronization.cpp
@@ -6,7 +6,7 @@
 
 #include "Engine/StdH.h"
 #include <Engine/Base/Synchronization.h>
-
+//#pragma GCC optimize 0
 CTCriticalSection::CTCriticalSection(void)
 {
     cs_pvObject = (void *) new pthread_mutex_t;
@@ -25,7 +25,14 @@ INDEX CTCriticalSection::Lock(void)
 {
     if (owner == pthread_self())
         return(++LockCounter);
-
+    if(owner==0 && LockCounter) {
+        //printf("Warning, suspicious mutex state, force unlocking...\n");
+        pthread_mutex_unlock((pthread_mutex_t *) cs_pvObject);
+        LockCounter=0;
+    }
+    if(owner!=0) {
+      // do something???
+    }
     pthread_mutex_lock((pthread_mutex_t *) cs_pvObject);
     owner = pthread_self();
     return(++LockCounter);
@@ -51,7 +58,7 @@ INDEX CTCriticalSection::Unlock(void)
         {
             if (--LockCounter == 0)
             {
-                pthread_mutex_unlock((pthread_mutex_t *) cs_pvObject);
+                int ret = pthread_mutex_unlock((pthread_mutex_t *) cs_pvObject);
                 owner = 0;
             }
         }
diff --git a/Sources/Engine/Engine.cpp b/Sources/Engine/Engine.cpp
index 3c2721c..c07171f 100644
--- a/Sources/Engine/Engine.cpp
+++ b/Sources/Engine/Engine.cpp
@@ -648,7 +648,12 @@ ENGINE_API void SE_InitEngine(const char *argv0, CTString strGameID)
   ReleaseDC( NULL, hdc);
 #else
   // !!! FIXME : rcg01072002 This CAN be done with SDL, actually. Move this somewhere.
+  #ifdef PLATFORM_PANDORA
+  // hacked gamma support
+  _pGfx->gl_ulFlags |= GLF_ADJUSTABLEGAMMA;
+  #else
   CPrintF( TRANS("\nWARNING: Gamma, brightness and contrast are not adjustable!\n\n"));
+  #endif
 #endif
 
 // !!! FIXME : rcg12072001 Move this somewhere else.
@@ -688,6 +693,9 @@ ENGINE_API void SE_EndEngine(void)
     //ASSERT(bOK);
     ReleaseDC( NULL, hdc);
   }
+#elif defined(PLATFORM_PANDORA)
+  // restore default gamma
+  system("sudo /usr/pandora/scripts/op_gamma.sh 0");
 #endif
 
   // free stocks
diff --git a/Sources/Engine/Graphics/GfxLibrary.cpp b/Sources/Engine/Graphics/GfxLibrary.cpp
index 203e9f3..4d8b657 100644
--- a/Sources/Engine/Graphics/GfxLibrary.cpp
+++ b/Sources/Engine/Graphics/GfxLibrary.cpp
@@ -1992,6 +1992,18 @@ void CGfxLibrary::SwapBuffers(CViewPort *pvp)
     }
   }
   else
+#elif defined(PLATFORM_PANDORA)
+  if( gl_ulFlags & GLF_ADJUSTABLEGAMMA) {
+    //hacky Gamma only (no Contrast/Brightness) support.
+    static float old_pandora_gamma = 0.0f;
+    if (old_pandora_gamma!=gfx_fGamma) {
+      char buf[50];
+      sprintf(buf,"sudo /usr/pandora/scripts/op_gamma.sh %.2f", gfx_fGamma);
+      system(buf);
+      old_pandora_gamma = gfx_fGamma;
+    }
+  } 
+  else
 #endif
   // if not supported
   {
diff --git a/Sources/GameMP/Game.cpp b/Sources/GameMP/Game.cpp
index f630c37..2befdbf 100755
--- a/Sources/GameMP/Game.cpp
+++ b/Sources/GameMP/Game.cpp
@@ -2224,7 +2224,12 @@ void CGame::GameRedrawView( CDrawPort *pdpDrawPort, ULONG ulFlags)
       _pInput->GetInput(TRUE);
     }
     // timer must not occur during prescanning
-    { CTSingleLock csTimer(&_pTimer->tm_csHooks, TRUE);
+    { 
+#if defined(PLATFORM_UNIX) && !defined(SINGLE_THREADED)
+      #warning "This seems to cause Race Condition, so disabled"
+#else
+      CTSingleLock csTimer(&_pTimer->tm_csHooks, TRUE);
+#endif
     // for each local player
     for( INDEX i=0; i<4; i++) {
       // if local player