diff --git a/source/glest_game/main/intro.cpp b/source/glest_game/main/intro.cpp
index 6706117c5..4b97b4386 100644
--- a/source/glest_game/main/intro.cpp
+++ b/source/glest_game/main/intro.cpp
@@ -243,7 +243,7 @@ Intro::Intro(Program *program):
 				int index = rand() % models.size();
 				if(usedIndex.find(index) != usedIndex.end()) {
 					failedLookups++;
-					seed = time(NULL) / failedLookups;
+					seed = (time(NULL) / failedLookups);
 					srand(seed.getCurTicks());
 					continue;
 				}
diff --git a/source/glest_game/world/map.cpp b/source/glest_game/world/map.cpp
index 53cd871d8..4917bbb52 100644
--- a/source/glest_game/world/map.cpp
+++ b/source/glest_game/world/map.cpp
@@ -1323,7 +1323,7 @@ void Map::clearUnitCells(Unit *unit, const Vec2i &pos, bool ignoreSkill) {
 	}
 
 	const UnitType *ut= unit->getType();
-	bool currentField=unit->getCurrField();
+	Field currentField=unit->getCurrField();
 
 	if(ignoreSkill==false &&
 			unit->getCurrSkill() != NULL &&
diff --git a/source/shared_lib/sources/graphics/JPGReader.cpp b/source/shared_lib/sources/graphics/JPGReader.cpp
index 24485f84c..ef3348900 100644
--- a/source/shared_lib/sources/graphics/JPGReader.cpp
+++ b/source/shared_lib/sources/graphics/JPGReader.cpp
@@ -80,7 +80,7 @@ Pixmap2D* JPGReader::read(ifstream& is, const string& path, Pixmap2D* ret) const
 		return NULL;
 	}
 	is.seekg(0, ios::beg);
-	uint8 *buffer = new uint8[length];
+	uint8 *buffer = new uint8[(unsigned int)length];
 	is.read((char*)buffer, (std::streamsize)length);
 	//Check buffer (weak jpeg check)
 	//if (buffer[0] != 0x46 || buffer[1] != 0xA0) {
@@ -102,7 +102,7 @@ Pixmap2D* JPGReader::read(ifstream& is, const string& path, Pixmap2D* ret) const
 
 	jmp_buf error_buffer; //Used for saving/restoring context
 	// Set up data pointer
-	source.bytes_in_buffer = length;
+	source.bytes_in_buffer = (size_t)length;
 	source.next_input_byte = (JOCTET*)buffer;
 	cinfo.src = &source;
 
diff --git a/source/shared_lib/sources/graphics/gl/font_textFTGL.cpp b/source/shared_lib/sources/graphics/gl/font_textFTGL.cpp
index 227af5a43..9ee8fbf9f 100644
--- a/source/shared_lib/sources/graphics/gl/font_textFTGL.cpp
+++ b/source/shared_lib/sources/graphics/gl/font_textFTGL.cpp
@@ -314,7 +314,7 @@ float TextFTGL::LineHeight(const char* str, const int len) {
 			fflush(stdout);
 		}
 
-		result = box.Upper().Y()- box.Lower().Y();
+		result = box.Upper().Yf()- box.Lower().Yf();
 		if(result == 0) {
 			result = ftFont->LineHeight();
 
@@ -387,7 +387,7 @@ float TextFTGL::LineHeight(const wchar_t* str, const int len) {
 	static float result = -1000;
 	if(result == -1000) {
 		FTBBox box = ftFont->BBox(TextFTGL::langHeightText.c_str());
-		result = box.Upper().Y()- box.Lower().Y();
+		result = box.Upper().Yf()- box.Lower().Yf();
 		if(result == 0) {
 			result = ftFont->LineHeight();
 		}
diff --git a/source/shared_lib/sources/graphics/video_player.cpp b/source/shared_lib/sources/graphics/video_player.cpp
index d06fa25b7..a7afb2d11 100644
--- a/source/shared_lib/sources/graphics/video_player.cpp
+++ b/source/shared_lib/sources/graphics/video_player.cpp
@@ -963,7 +963,7 @@ bool VideoPlayer::initPlayer() {
 				break;
 			}
 			if(this->loadingCB != NULL) {
-				int progress = ((difftime(time(NULL),waitStart) / MAX_VIDEO_START_MILLISECONDS) * 100.0);
+				int progress = (int)((difftime(time(NULL),waitStart) / MAX_VIDEO_START_MILLISECONDS) * 100.0);
 				this->loadingCB->renderVideoLoading(progress);
 			}
 			SDL_Delay(0);
@@ -987,7 +987,7 @@ bool VideoPlayer::initPlayer() {
 					break;
 				}
 				if(this->loadingCB != NULL) {
-					int progress = ((difftime(time(NULL),waitStart) / MAX_VIDEO_START_MILLISECONDS) * 100.0);
+					int progress = (int)((difftime(time(NULL),waitStart) / MAX_VIDEO_START_MILLISECONDS) * 100.0);
 					this->loadingCB->renderVideoLoading(progress);
 				}
 				SDL_Delay(0);
@@ -1394,13 +1394,13 @@ bool VideoPlayer::playFrame(bool swapBuffers) {
 
 				glBegin(GL_TRIANGLE_STRIP);
 					glTexCoord2i(0, 1);
-					glVertex2i(ctxPtr->x, ctxPtr->y + ctxPtr->height * HEIGHT_MULTIPLIER);
+					glVertex2i(ctxPtr->x, ctxPtr->y + ctxPtr->height * (int)HEIGHT_MULTIPLIER);
 					glTexCoord2i(0, 0);
 					glVertex2i(ctxPtr->x, ctxPtr->y);
 					glTexCoord2i(1, 1);
-					glVertex2i(ctxPtr->x+ctxPtr->width * WIDTH_MULTIPLIER, ctxPtr->y+ctxPtr->height * HEIGHT_MULTIPLIER);
+					glVertex2i(ctxPtr->x+ctxPtr->width * (int)WIDTH_MULTIPLIER, ctxPtr->y+ctxPtr->height * (int)HEIGHT_MULTIPLIER);
 					glTexCoord2i(1, 0);
-					glVertex2i(ctxPtr->x+ctxPtr->width * WIDTH_MULTIPLIER, ctxPtr->y);
+					glVertex2i(ctxPtr->x+ctxPtr->width * (int)WIDTH_MULTIPLIER, ctxPtr->y);
 				glEnd();
 
 			}
diff --git a/source/shared_lib/sources/platform/common/platform_common.cpp b/source/shared_lib/sources/platform/common/platform_common.cpp
index 679ddf345..b8683f434 100644
--- a/source/shared_lib/sources/platform/common/platform_common.cpp
+++ b/source/shared_lib/sources/platform/common/platform_common.cpp
@@ -2166,9 +2166,9 @@ string getFileTextContents(string path) {
 
 	// Load data and add terminating 0
 	vector<char> buffer;
-	buffer.resize(size + (streampos)1);
+	buffer.resize((unsigned int)size + 1);
 	xmlFile.read(&buffer.front(), static_cast<streamsize>(size));
-	buffer[size] = 0;
+	buffer[(unsigned int)size] = 0;
 
 	return &buffer.front();
 }
diff --git a/source/shared_lib/sources/sound/sound_file_loader.cpp b/source/shared_lib/sources/sound/sound_file_loader.cpp
index 901837530..a7faf52e5 100644
--- a/source/shared_lib/sources/sound/sound_file_loader.cpp
+++ b/source/shared_lib/sources/sound/sound_file_loader.cpp
@@ -121,13 +121,13 @@ void WavSoundFileLoader::open(const string &path, SoundInfo *soundInfo){
 		throw megaglest_runtime_error("Error reading samples: "+ path);
 	}
 
-	dataOffset= f.tellg();
+	dataOffset= (uint32)f.tellg();
 
 }
 
 uint32 WavSoundFileLoader::read(int8 *samples, uint32 size){
 	f.read(reinterpret_cast<char*> (samples), size);
-	return f.gcount();
+	return (uint32)f.gcount();
 }
 
 void WavSoundFileLoader::close(){
diff --git a/source/shared_lib/sources/util/checksum.cpp b/source/shared_lib/sources/util/checksum.cpp
index db78e7348..3441e68ac 100644
--- a/source/shared_lib/sources/util/checksum.cpp
+++ b/source/shared_lib/sources/util/checksum.cpp
@@ -265,10 +265,10 @@ bool Checksum::addFileToSum(const string &path) {
 
 		// Determine the file length
 		ifs.seekg(0, ios::end);
-		std::size_t size=ifs.tellg();
+		std::streamoff size=ifs.tellg();
 		ifs.seekg(0, ios::beg);
 
-		int bufSize = size / sizeof(char);
+		unsigned int bufSize = (unsigned int)size / sizeof(char);
 		// Create a vector to store the data
 		std::vector<char> buf(bufSize);
 		// Load the data
diff --git a/source/shared_lib/sources/util/properties.cpp b/source/shared_lib/sources/util/properties.cpp
index 26cf4e75c..beed29ff0 100644
--- a/source/shared_lib/sources/util/properties.cpp
+++ b/source/shared_lib/sources/util/properties.cpp
@@ -427,7 +427,7 @@ const string Properties::getRandomKey(const bool realrandom) const{
 	if(realrandom == true){
 		//srand((unsigned int)time(NULL));
 		Chrono seed(true);
-		srand(seed.getCurTicks());
+		srand((unsigned int)seed.getCurTicks());
 
 		randomIndex=rand()%max;
 	}
diff --git a/source/shared_lib/sources/xml/xml_parser.cpp b/source/shared_lib/sources/xml/xml_parser.cpp
index 885afdc2b..81f52945b 100644
--- a/source/shared_lib/sources/xml/xml_parser.cpp
+++ b/source/shared_lib/sources/xml/xml_parser.cpp
@@ -291,9 +291,9 @@ XmlNode *XmlIoRapid::load(const string &path, std::map<string,string> mapTagRepl
 
         // Load data and add terminating 0
         vector<char> buffer;
-        buffer.resize(size + (streampos)1);
+        buffer.resize((unsigned int)size + 1);
         xmlFile.read(&buffer.front(), static_cast<streamsize>(size));
-        buffer[size] = 0;
+        buffer[(unsigned int)size] = 0;
 
         // This is required because rapidxml seems to choke when we load lua
         // scenarios that have lua + xml style comments