diff --git a/CMakeLists.txt b/CMakeLists.txt
index b01525692..91f12d6da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -97,43 +97,6 @@ endif()
 # We probably support older versions than this.
 cmake_minimum_required(VERSION 2.6)
 
-# source directory: libs
-
-set(LIBS_DIR ${CMAKE_SOURCE_DIR}/libs)
-
-set(OENGINE_OGRE
-  ${LIBS_DIR}/openengine/ogre/renderer.cpp
-  ${LIBS_DIR}/openengine/ogre/lights.cpp
-  ${LIBS_DIR}/openengine/ogre/selectionbuffer.cpp
-  ${LIBS_DIR}/openengine/ogre/imagerotate.cpp
-)
-
-set(OENGINE_GUI
-  ${LIBS_DIR}/openengine/gui/loglistener.cpp
-  ${LIBS_DIR}/openengine/gui/manager.cpp
-  ${LIBS_DIR}/openengine/gui/layout.cpp
-)
-
-set(OENGINE_BULLET
-    ${LIBS_DIR}/openengine/bullet/BtOgre.cpp
-    ${LIBS_DIR}/openengine/bullet/BtOgreExtras.h
-    ${LIBS_DIR}/openengine/bullet/BtOgreGP.h
-    ${LIBS_DIR}/openengine/bullet/BtOgrePG.h
-    ${LIBS_DIR}/openengine/bullet/physic.cpp
-    ${LIBS_DIR}/openengine/bullet/physic.hpp
-    ${LIBS_DIR}/openengine/bullet/BulletShapeLoader.cpp
-    ${LIBS_DIR}/openengine/bullet/BulletShapeLoader.h
-    ${LIBS_DIR}/openengine/bullet/trace.cpp
-    ${LIBS_DIR}/openengine/bullet/trace.h
-
-)
-
-set(OENGINE_ALL ${OENGINE_OGRE} ${OENGINE_GUI} ${OENGINE_BULLET})
-source_group(libs\\openengine FILES ${OENGINE_ALL})
-
-set(OPENMW_LIBS ${OENGINE_ALL})
-set(OPENMW_LIBS_HEADER)
-
 # Sound setup
 set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL SWSCALE SWRESAMPLE AVRESAMPLE)
 unset(FFMPEG_LIBRARIES CACHE)
@@ -275,6 +238,7 @@ include_directories("."
     ${MYGUI_INCLUDE_DIRS}
     ${MYGUI_PLATFORM_INCLUDE_DIRS}
     ${OPENAL_INCLUDE_DIR}
+    ${BULLET_INCLUDE_DIRS}
     ${LIBS_DIR}
 )
 
@@ -572,6 +536,10 @@ if(WIN32)
     include(CPack)
 endif(WIN32)
 
+# Libs
+include_directories(libs)
+add_subdirectory(libs/openengine)
+
 # Extern
 add_subdirectory (extern/shiny)
 add_subdirectory (extern/ogre-ffmpeg-videoplayer)
diff --git a/apps/opencs/CMakeLists.txt b/apps/opencs/CMakeLists.txt
index d2d745cc2..7eacfd7ef 100644
--- a/apps/opencs/CMakeLists.txt
+++ b/apps/opencs/CMakeLists.txt
@@ -165,7 +165,8 @@ qt4_wrap_ui(OPENCS_UI_HDR ${OPENCS_UI})
 qt4_wrap_cpp(OPENCS_MOC_SRC ${OPENCS_HDR_QT})
 qt4_add_resources(OPENCS_RES_SRC ${OPENCS_RES})
 
-include_directories(${CMAKE_CURRENT_BINARY_DIR} ${BULLET_INCLUDE_DIRS})
+# for compiled .ui files
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
 if(APPLE)
     set (OPENCS_MAC_ICON ${CMAKE_SOURCE_DIR}/files/mac/openmw-cs.icns)
@@ -175,7 +176,6 @@ endif(APPLE)
 
 add_executable(openmw-cs
     MACOSX_BUNDLE
-    ${OENGINE_BULLET}
     ${OPENCS_SRC}
     ${OPENCS_UI_HDR}
     ${OPENCS_MOC_SRC}
@@ -199,6 +199,7 @@ if(APPLE)
 endif(APPLE)
 
 target_link_libraries(openmw-cs
+    ${OENGINE_LIBRARY}
     ${OGRE_LIBRARIES}
     ${OGRE_Overlay_LIBRARIES}
     ${OGRE_STATIC_PLUGINS}
diff --git a/apps/openmw/CMakeLists.txt b/apps/openmw/CMakeLists.txt
index eabbb7577..860cc2fcb 100644
--- a/apps/openmw/CMakeLists.txt
+++ b/apps/openmw/CMakeLists.txt
@@ -104,7 +104,6 @@ find_package(Boost REQUIRED COMPONENTS ${BOOST_COMPONENTS})
 
 if (NOT ANDROID)
     add_executable(openmw
-        ${OPENMW_LIBS} ${OPENMW_LIBS_HEADER}
         ${OPENMW_FILES}
         ${GAME} ${GAME_HEADER}
         ${APPLE_BUNDLE_RESOURCES}
@@ -112,7 +111,6 @@ if (NOT ANDROID)
 else ()
     add_library(openmw
         SHARED
-        ${OPENMW_LIBS} ${OPENMW_LIBS_HEADER}
         ${OPENMW_FILES}
         ${GAME} ${GAME_HEADER}
     )
@@ -120,9 +118,10 @@ endif ()
 
 # Sound stuff - here so CMake doesn't stupidly recompile EVERYTHING
 # when we change the backend.
-include_directories(${SOUND_INPUT_INCLUDES} ${BULLET_INCLUDE_DIRS})
+include_directories(${SOUND_INPUT_INCLUDES})
 
 target_link_libraries(openmw
+    ${OENGINE_LIBRARY}
     ${OGRE_LIBRARIES}
     ${OGRE_STATIC_PLUGINS}
     ${SHINY_LIBRARIES}
diff --git a/apps/openmw/mwinput/inputmanagerimp.cpp b/apps/openmw/mwinput/inputmanagerimp.cpp
index 4212c562b..284919f64 100644
--- a/apps/openmw/mwinput/inputmanagerimp.cpp
+++ b/apps/openmw/mwinput/inputmanagerimp.cpp
@@ -816,7 +816,7 @@ namespace MWInput
 
         setPlayerControlsEnabled(!guiMode);
 
-        //esc, to leave inital movie screen
+        //esc, to leave initial movie screen
         OIS::KeyCode kc = mInputManager->sdl2OISKeyCode(SDLK_ESCAPE);
         bool guiFocus = MyGUI::InputManager::getInstance().injectKeyPress(MyGUI::KeyCode::Enum(kc), 0);
         setPlayerControlsEnabled(!guiFocus);
@@ -843,7 +843,7 @@ namespace MWInput
         else
             mInputBinder->buttonReleased(deviceID, arg);
 
-        //to escape inital movie
+        //to escape initial movie
         OIS::KeyCode kc = mInputManager->sdl2OISKeyCode(SDLK_ESCAPE);
         setPlayerControlsEnabled(!MyGUI::InputManager::getInstance().injectKeyRelease(MyGUI::KeyCode::Enum(kc)));
     }
@@ -1236,11 +1236,11 @@ namespace MWInput
             bool controlExists = mInputBinder->getChannel(i)->getControlsCount () != 0;
             if (!controlExists)
             {
-                int inital;
+                float initial;
                 if (defaultButtonBindings.find(i) != defaultButtonBindings.end())
-                    inital = 0.0f;
-                else inital = 0.5f;
-                control = new ICS::Control(boost::lexical_cast<std::string>(i), false, true, inital, ICS::ICS_MAX, ICS::ICS_MAX);
+                    initial = 0.0f;
+                else initial = 0.5f;
+                control = new ICS::Control(boost::lexical_cast<std::string>(i), false, true, initial, ICS::ICS_MAX, ICS::ICS_MAX);
                 mInputBinder->addControl(control);
                 control->attachChannel(mInputBinder->getChannel(i), ICS::Channel::DIRECT);
             }
diff --git a/apps/openmw/mwmechanics/actors.cpp b/apps/openmw/mwmechanics/actors.cpp
index aa2cc8615..d91d54f6f 100644
--- a/apps/openmw/mwmechanics/actors.cpp
+++ b/apps/openmw/mwmechanics/actors.cpp
@@ -519,8 +519,8 @@ namespace MWMechanics
                              effects.get(EffectKey(ESM::MagicEffect::DrainAttribute, i)).getMagnitude(),
                              effects.get(EffectKey(ESM::MagicEffect::AbsorbAttribute, i)).getMagnitude());
 
-            stat.damage(effects.get(EffectKey(ESM::MagicEffect::DamageAttribute, i)).getMagnitude() * duration * 1.5);
-            stat.restore(effects.get(EffectKey(ESM::MagicEffect::RestoreAttribute, i)).getMagnitude() * duration * 1.5);
+            stat.damage(effects.get(EffectKey(ESM::MagicEffect::DamageAttribute, i)).getMagnitude() * duration);
+            stat.restore(effects.get(EffectKey(ESM::MagicEffect::RestoreAttribute, i)).getMagnitude() * duration);
 
             creatureStats.setAttribute(i, stat);
         }
@@ -786,8 +786,8 @@ namespace MWMechanics
                              effects.get(EffectKey(ESM::MagicEffect::DrainSkill, i)).getMagnitude(),
                              effects.get(EffectKey(ESM::MagicEffect::AbsorbSkill, i)).getMagnitude());
 
-            skill.damage(effects.get(EffectKey(ESM::MagicEffect::DamageSkill, i)).getMagnitude() * duration * 1.5);
-            skill.restore(effects.get(EffectKey(ESM::MagicEffect::RestoreSkill, i)).getMagnitude() * duration * 1.5);
+            skill.damage(effects.get(EffectKey(ESM::MagicEffect::DamageSkill, i)).getMagnitude() * duration);
+            skill.restore(effects.get(EffectKey(ESM::MagicEffect::RestoreSkill, i)).getMagnitude() * duration);
         }
     }
 
diff --git a/apps/openmw/mwscript/aiextensions.cpp b/apps/openmw/mwscript/aiextensions.cpp
index a3f935487..163aedf76 100644
--- a/apps/openmw/mwscript/aiextensions.cpp
+++ b/apps/openmw/mwscript/aiextensions.cpp
@@ -466,12 +466,9 @@ namespace MWScript
 
                 virtual void execute (Interpreter::Runtime& runtime)
                 {
-                    InterpreterContext& context
-                        = static_cast<InterpreterContext&> (runtime.getContext());
-
                     bool enabled = MWBase::Environment::get().getMechanicsManager()->toggleAI();
 
-                    context.report (enabled ? "AI -> On" : "AI -> Off");
+                    runtime.getContext().report (enabled ? "AI -> On" : "AI -> Off");
                 }
         };
 
diff --git a/apps/openmw/mwscript/controlextensions.cpp b/apps/openmw/mwscript/controlextensions.cpp
index fd7fe4737..904e0ee85 100644
--- a/apps/openmw/mwscript/controlextensions.cpp
+++ b/apps/openmw/mwscript/controlextensions.cpp
@@ -65,12 +65,9 @@ namespace MWScript
 
                 virtual void execute (Interpreter::Runtime& runtime)
                 {
-                    InterpreterContext& context
-                        = static_cast<InterpreterContext&> (runtime.getContext());
-
                     bool enabled = MWBase::Environment::get().getWorld()->toggleCollisionMode();
 
-                    context.report (enabled ? "Collision -> On" : "Collision -> Off");
+                    runtime.getContext().report (enabled ? "Collision -> On" : "Collision -> Off");
                 }
         };
 
diff --git a/apps/openmw/mwscript/miscextensions.cpp b/apps/openmw/mwscript/miscextensions.cpp
index 52094947c..507b27807 100644
--- a/apps/openmw/mwscript/miscextensions.cpp
+++ b/apps/openmw/mwscript/miscextensions.cpp
@@ -212,13 +212,10 @@ namespace MWScript
 
                 virtual void execute (Interpreter::Runtime& runtime)
                 {
-                    InterpreterContext& context =
-                        static_cast<InterpreterContext&> (runtime.getContext());
-
                     bool enabled =
                         MWBase::Environment::get().getWorld()->toggleRenderMode (MWBase::World::Render_CollisionDebug);
 
-                    context.report (enabled ?
+                    runtime.getContext().report (enabled ?
                         "Collision Mesh Rendering -> On" : "Collision Mesh Rendering -> Off");
                 }
         };
@@ -230,13 +227,10 @@ namespace MWScript
 
                 virtual void execute (Interpreter::Runtime& runtime)
                 {
-                    InterpreterContext& context =
-                        static_cast<InterpreterContext&> (runtime.getContext());
-
                     bool enabled =
                         MWBase::Environment::get().getWorld()->toggleRenderMode (MWBase::World::Render_BoundingBoxes);
 
-                    context.report (enabled ?
+                    runtime.getContext().report (enabled ?
                         "Bounding Box Rendering -> On" : "Bounding Box Rendering -> Off");
                 }
         };
@@ -247,13 +241,10 @@ namespace MWScript
 
                 virtual void execute (Interpreter::Runtime& runtime)
                 {
-                    InterpreterContext& context =
-                        static_cast<InterpreterContext&> (runtime.getContext());
-
                     bool enabled =
                         MWBase::Environment::get().getWorld()->toggleRenderMode (MWBase::World::Render_Wireframe);
 
-                    context.report (enabled ?
+                    runtime.getContext().report (enabled ?
                         "Wireframe Rendering -> On" : "Wireframe Rendering -> Off");
                 }
         };
@@ -263,13 +254,10 @@ namespace MWScript
         public:
             virtual void execute (Interpreter::Runtime& runtime)
             {
-                InterpreterContext& context =
-                    static_cast<InterpreterContext&> (runtime.getContext());
-
                 bool enabled =
                     MWBase::Environment::get().getWorld()->toggleRenderMode (MWBase::World::Render_Pathgrid);
 
-                context.report (enabled ?
+                runtime.getContext().report (enabled ?
                     "Path Grid rendering -> On" : "Path Grid Rendering -> Off");
             }
         };
@@ -386,17 +374,14 @@ namespace MWScript
 
             virtual void execute(Interpreter::Runtime &runtime)
             {
-                InterpreterContext& context =
-                    static_cast<InterpreterContext&> (runtime.getContext());
-
                 MWBase::World *world =
                     MWBase::Environment::get().getWorld();
 
                 if (world->toggleVanityMode(sActivate)) {
-                    context.report(sActivate ? "Vanity Mode -> On" : "Vanity Mode -> Off");
+                    runtime.getContext().report(sActivate ? "Vanity Mode -> On" : "Vanity Mode -> Off");
                     sActivate = !sActivate;
                 } else {
-                    context.report("Vanity Mode -> No");
+                    runtime.getContext().report("Vanity Mode -> No");
                 }
             }
         };
@@ -862,14 +847,11 @@ namespace MWScript
 
             void printGlobalVars(Interpreter::Runtime &runtime)
             {
-                InterpreterContext& context =
-                    static_cast<InterpreterContext&> (runtime.getContext());
-
                 std::stringstream str;
                 str<< "Global variables:";
 
                 MWBase::World *world = MWBase::Environment::get().getWorld();
-                std::vector<std::string> names = context.getGlobals();
+                std::vector<std::string> names = runtime.getContext().getGlobals();
                 for(size_t i = 0;i < names.size();++i)
                 {
                     char type = world->getGlobalVariableType (names[i]);
@@ -879,17 +861,17 @@ namespace MWScript
                     {
                         case 's':
 
-                            str << context.getGlobalShort (names[i]) << " (short)";
+                            str << runtime.getContext().getGlobalShort (names[i]) << " (short)";
                             break;
 
                         case 'l':
 
-                            str << context.getGlobalLong (names[i]) << " (long)";
+                            str << runtime.getContext().getGlobalLong (names[i]) << " (long)";
                             break;
 
                         case 'f':
 
-                            str << context.getGlobalFloat (names[i]) << " (float)";
+                            str << runtime.getContext().getGlobalFloat (names[i]) << " (float)";
                             break;
 
                         default:
@@ -898,7 +880,7 @@ namespace MWScript
                     }
                 }
 
-                context.report (str.str());
+                runtime.getContext().report (str.str());
             }
 
         public:
@@ -920,11 +902,9 @@ namespace MWScript
         public:
             virtual void execute (Interpreter::Runtime& runtime)
             {
-                InterpreterContext& context = static_cast<InterpreterContext&> (runtime.getContext());
-
                 bool enabled = MWBase::Environment::get().getWorld()->toggleScripts();
 
-                context.report(enabled ? "Scripts -> On" : "Scripts -> Off");
+                runtime.getContext().report(enabled ? "Scripts -> On" : "Scripts -> Off");
             }
         };
 
@@ -933,11 +913,9 @@ namespace MWScript
             public:
                 virtual void execute (Interpreter::Runtime& runtime)
                 {
-                    InterpreterContext& context = static_cast<InterpreterContext&> (runtime.getContext());
-
                     bool enabled = MWBase::Environment::get().getWorld()->toggleGodMode();
 
-                    context.report (enabled ? "God Mode -> On" : "God Mode -> Off");
+                    runtime.getContext().report (enabled ? "God Mode -> On" : "God Mode -> Off");
                 }
         };
 
diff --git a/apps/openmw/mwscript/skyextensions.cpp b/apps/openmw/mwscript/skyextensions.cpp
index 0ccd0ce31..d28d01b63 100644
--- a/apps/openmw/mwscript/skyextensions.cpp
+++ b/apps/openmw/mwscript/skyextensions.cpp
@@ -25,10 +25,7 @@ namespace MWScript
                 {
                     bool enabled = MWBase::Environment::get().getWorld()->toggleSky();
 
-                    InterpreterContext& context =
-                        static_cast<InterpreterContext&> (runtime.getContext());
-
-                    context.report (enabled ? "Sky -> On" : "Sky -> Off");
+                    runtime.getContext().report (enabled ? "Sky -> On" : "Sky -> Off");
                 }
         };
 
diff --git a/components/config/launchersettings.hpp b/components/config/launchersettings.hpp
index cbe21c54a..c5eefb22a 100644
--- a/components/config/launchersettings.hpp
+++ b/components/config/launchersettings.hpp
@@ -17,7 +17,7 @@ namespace Config
         /// \return names of all Content Lists in the launcher's .cfg file. 
         QStringList getContentLists();
 
-        /// Set initally selected content list to match values from openmw.cfg, creating if necessary
+        /// Set initially selected content list to match values from openmw.cfg, creating if necessary
         void setContentList(const GameSettings& gameSettings);
 
         /// Create a Content List (or replace if it already exists)
diff --git a/extern/ogre-ffmpeg-videoplayer/audiodecoder.cpp b/extern/ogre-ffmpeg-videoplayer/audiodecoder.cpp
index cfc6c17b9..1a56802da 100644
--- a/extern/ogre-ffmpeg-videoplayer/audiodecoder.cpp
+++ b/extern/ogre-ffmpeg-videoplayer/audiodecoder.cpp
@@ -222,7 +222,7 @@ int MovieAudioDecoder::audio_decode_frame(AVFrame *frame, int &sample_skip)
         }
 
         /* if update, update the audio clock w/pts */
-        if((uint64_t)pkt->pts != AV_NOPTS_VALUE)
+        if(pkt->pts != AV_NOPTS_VALUE)
             mAudioClock = av_q2d(mAVStream->time_base)*pkt->pts;
     }
 }
diff --git a/extern/sdl4ogre/CMakeLists.txt b/extern/sdl4ogre/CMakeLists.txt
index 86ce7b70e..b8c56bd00 100644
--- a/extern/sdl4ogre/CMakeLists.txt
+++ b/extern/sdl4ogre/CMakeLists.txt
@@ -6,6 +6,7 @@ set(SDL4OGRE_SOURCE_FILES
 	sdlinputwrapper.cpp
 	sdlcursormanager.cpp
 	sdlwindowhelper.cpp
+	imagerotate.cpp
 )
 
 if (APPLE)
diff --git a/libs/openengine/ogre/imagerotate.cpp b/extern/sdl4ogre/imagerotate.cpp
similarity index 99%
rename from libs/openengine/ogre/imagerotate.cpp
rename to extern/sdl4ogre/imagerotate.cpp
index cc5f572cf..b825943fc 100644
--- a/libs/openengine/ogre/imagerotate.cpp
+++ b/extern/sdl4ogre/imagerotate.cpp
@@ -17,7 +17,9 @@
 #include <OgreViewport.h>
 
 using namespace Ogre;
-using namespace OEngine::Render;
+
+namespace SFO
+{
 
 void ImageRotate::rotate(const std::string& sourceImage, const std::string& destImage, const float angle)
 {
@@ -93,3 +95,5 @@ void ImageRotate::rotate(const std::string& sourceImage, const std::string& dest
     root->destroySceneManager(sceneMgr);
     delete rect;
 }
+
+}
diff --git a/libs/openengine/ogre/imagerotate.hpp b/extern/sdl4ogre/imagerotate.hpp
similarity index 94%
rename from libs/openengine/ogre/imagerotate.hpp
rename to extern/sdl4ogre/imagerotate.hpp
index a3f6d662f..7135a571a 100644
--- a/libs/openengine/ogre/imagerotate.hpp
+++ b/extern/sdl4ogre/imagerotate.hpp
@@ -3,9 +3,8 @@
 
 #include <string>
 
-namespace OEngine
-{
-namespace Render
+
+namespace SFO
 {
 
     /// Rotate an image by certain degrees and save as file, uses the GPU
@@ -22,6 +21,5 @@ namespace Render
     };
 
 }
-}
 
 #endif
diff --git a/extern/sdl4ogre/sdlcursormanager.cpp b/extern/sdl4ogre/sdlcursormanager.cpp
index 7623d57db..61508a64e 100644
--- a/extern/sdl4ogre/sdlcursormanager.cpp
+++ b/extern/sdl4ogre/sdlcursormanager.cpp
@@ -7,7 +7,7 @@
 #include <SDL_mouse.h>
 #include <SDL_endian.h>
 
-#include <openengine/ogre/imagerotate.hpp>
+#include "imagerotate.hpp"
 
 namespace SFO
 {
@@ -91,7 +91,7 @@ namespace SFO
 
         // we use a render target to uncompress the DDS texture
         // just blitting doesn't seem to work on D3D9
-        OEngine::Render::ImageRotate::rotate(tex->getName(), tempName, -rotDegrees);
+        ImageRotate::rotate(tex->getName(), tempName, -rotDegrees);
 
         Ogre::TexturePtr resultTexture = Ogre::TextureManager::getSingleton().getByName(tempName);
 
diff --git a/libs/openengine/CMakeLists.txt b/libs/openengine/CMakeLists.txt
new file mode 100644
index 000000000..7a0a791d1
--- /dev/null
+++ b/libs/openengine/CMakeLists.txt
@@ -0,0 +1,33 @@
+set(OENGINE_OGRE
+    ogre/renderer.cpp
+    ogre/lights.cpp
+    ogre/selectionbuffer.cpp
+)
+
+set(OENGINE_GUI
+    gui/loglistener.cpp
+    gui/manager.cpp
+    gui/layout.cpp
+)
+
+set(OENGINE_BULLET
+    bullet/BtOgre.cpp
+    bullet/BtOgreExtras.h
+    bullet/BtOgreGP.h
+    bullet/BtOgrePG.h
+    bullet/physic.cpp
+    bullet/physic.hpp
+    bullet/BulletShapeLoader.cpp
+    bullet/BulletShapeLoader.h
+    bullet/trace.cpp
+    bullet/trace.h
+)
+
+set(OENGINE_ALL ${OENGINE_OGRE} ${OENGINE_GUI} ${OENGINE_BULLET})
+
+set(OENGINE_LIBRARY "oengine")
+set(OENGINE_LIBRARY ${OENGINE_LIBRARY} PARENT_SCOPE)
+
+source_group(oengine FILES ${OENGINE_ALL})
+
+add_library(${OENGINE_LIBRARY} STATIC ${OENGINE_ALL})
diff --git a/libs/openengine/testall.sh b/libs/openengine/testall.sh
deleted file mode 100755
index 097fdabd5..000000000
--- a/libs/openengine/testall.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/bash
-
-function run()
-{
-  echo "TESTING $1"
-  cd "$1/tests/"
-  ./test.sh
-  cd ../../
-}
-
-run input