diff --git a/r5dev/engine/server/sv_rcon.cpp b/r5dev/engine/server/sv_rcon.cpp
index c961ad40..a09397a2 100644
--- a/r5dev/engine/server/sv_rcon.cpp
+++ b/r5dev/engine/server/sv_rcon.cpp
@@ -47,7 +47,7 @@ void CRConServer::Init(void)
 	}
 
 	m_Address.SetFromString(hostip->GetString(), true);
-	m_Address.SetPort(htons(hostport->GetInt()));
+	m_Address.SetPort(htons(uint16_t(hostport->GetInt())));
 
 	m_Socket.CreateListenSocket(m_Address, false);
 
diff --git a/r5dev/mathlib/color_conversion.cpp b/r5dev/mathlib/color_conversion.cpp
index f88ca3f4..b49ae28a 100644
--- a/r5dev/mathlib/color_conversion.cpp
+++ b/r5dev/mathlib/color_conversion.cpp
@@ -110,7 +110,7 @@ static void CheckExponentTable()
 {
 	for (int i = 0; i < 256; i++)
 	{
-		float testAgainst = pow(2.0f, i - 128) / 255.0f;
+		float testAgainst = float(pow(2.0f, i - 128)) / 255.0f;
 		float diff = testAgainst - power2_n[i];
 		float relativeDiff = diff / testAgainst;
 		Assert(testAgainst == 0 ?
@@ -157,7 +157,7 @@ void BuildGammaTable(float gamma, float texGamma, float brightness, int overbrig
 			inf = 0;
 		if (inf > 255)
 			inf = 255;
-		texgammatable[i] = inf;
+		texgammatable[i] = byte(inf);
 	}
 
 	for (i = 0; i < 1024; i++)
@@ -619,9 +619,9 @@ void VectorToColorRGBExp32(const Vector3D& vin, ColorRGBExp32& c)
 		int green = (int)(vin.y * scalar);
 		int blue = (int)(vin.z * scalar);
 
-		c.r = red;
-		c.g = green;
-		c.b = blue;
+		c.r = byte(red);
+		c.g = byte(green);
+		c.b = byte(blue);
 	}
 	/*
 	c.r = ( unsigned char )(vin.x * scalar);
diff --git a/r5dev/tier1/NetAdr.cpp b/r5dev/tier1/NetAdr.cpp
index 0961fa65..078ac957 100644
--- a/r5dev/tier1/NetAdr.cpp
+++ b/r5dev/tier1/NetAdr.cpp
@@ -231,7 +231,7 @@ bool CNetAdr::SetFromString(const char* pch, bool bUseDNS)
 		if (pchColon && strchr(portStart, ':') == pchColon)
 		{
 			pchColon[0] = '\0'; // Set the port.
-			SetPort(htons(atoi(&pchColon[1])));
+			SetPort(uint16_t(htons(uint16_t(atoi(&pchColon[1])))));
 		}
 	}
 
diff --git a/r5dev/tier1/bitbuf.cpp b/r5dev/tier1/bitbuf.cpp
index ca3b2181..41ae6a91 100644
--- a/r5dev/tier1/bitbuf.cpp
+++ b/r5dev/tier1/bitbuf.cpp
@@ -94,7 +94,7 @@ void CBitRead::GrabNextDWord(bool bOverFlowImmediately)
 		}
 		else
 		{
-			assert(reinterpret_cast<int>(m_pDataIn) + 3 < reinterpret_cast<int>(m_pBufferEnd));
+			assert(reinterpret_cast<uintptr_t>(m_pDataIn) + 3 < reinterpret_cast<uintptr_t>(m_pBufferEnd));
 			m_nInBufWord = LittleDWord(*(m_pDataIn++));
 		}
 	}
@@ -242,7 +242,7 @@ bool CBitRead::Seek(int64_t nPosition)
 void CBitRead::StartReading(const void* pData, size_t nBytes, int64_t iStartBit, int64_t nBits)
 {
 	// Make sure it's dword aligned and padded.
-	assert(((unsigned long)pData & 3) == 0);
+	assert((int64_t(pData) & 3) == 0);
 	m_pData = (uint32*)pData;
 	m_pDataIn = m_pData;
 	m_nDataBytes = nBytes;
@@ -253,7 +253,7 @@ void CBitRead::StartReading(const void* pData, size_t nBytes, int64_t iStartBit,
 	}
 	else
 	{
-		assert(nBits <= nBytes * 8);
+		assert(nBits <= int64_t(nBytes * 8));
 		m_nDataBits = nBits;
 	}
 	m_bOverflow = false;
diff --git a/r5dev/tier1/cvar.cpp b/r5dev/tier1/cvar.cpp
index 40663000..f39c496b 100644
--- a/r5dev/tier1/cvar.cpp
+++ b/r5dev/tier1/cvar.cpp
@@ -901,10 +901,10 @@ bool ConVar::SetColorFromString(const char* pszValue)
 
 			// Stuff all the values into each byte of our int.
 			unsigned char* pColorElement = (reinterpret_cast<unsigned char*>(&m_Value.m_nValue));
-			pColorElement[0] = nRGBA[0];
-			pColorElement[1] = nRGBA[1];
-			pColorElement[2] = nRGBA[2];
-			pColorElement[3] = nRGBA[3];
+			pColorElement[0] = unsigned char(nRGBA[0]);
+			pColorElement[1] = unsigned char(nRGBA[1]);
+			pColorElement[2] = unsigned char(nRGBA[2]);
+			pColorElement[3] = unsigned char(nRGBA[3]);
 
 			// Copy that value into our float.
 			m_Value.m_fValue = static_cast<float>(m_Value.m_nValue);
@@ -1398,7 +1398,7 @@ void CCvarUtilities::CvarList(const CCommand& args)
 	{
 		PrintListHeader(f);
 	}
-	for (int i = sorted.FirstInorder(); i != sorted.InvalidIndex(); i = sorted.NextInorder(i))
+	for (unsigned short i = sorted.FirstInorder(); i != sorted.InvalidIndex(); i = sorted.NextInorder(i))
 	{
 		var = sorted[i];
 		if (var->IsCommand())
diff --git a/r5dev/tier1/utlbuffer.cpp b/r5dev/tier1/utlbuffer.cpp
index 13033c7c..3ad85147 100644
--- a/r5dev/tier1/utlbuffer.cpp
+++ b/r5dev/tier1/utlbuffer.cpp
@@ -203,7 +203,7 @@ CUtlBuffer::CUtlBuffer(int64 growSize, int64 initSize, int nFlags) :
 	m_Put = 0;
 	m_nTab = 0;
 	m_nOffset = 0;
-	m_Flags = nFlags;
+	m_Flags = unsigned char(nFlags);
 	if ((initSize != 0) && !IsReadOnly())
 	{
 		m_nMaxPut = -1;
@@ -225,7 +225,7 @@ CUtlBuffer::CUtlBuffer(const void* pBuffer, int64 nSize, int nFlags) :
 	m_Put = 0;
 	m_nTab = 0;
 	m_nOffset = 0;
-	m_Flags = nFlags;
+	m_Flags = unsigned char(nFlags);
 	if (IsReadOnly())
 	{
 		m_nMaxPut = m_Put = nSize;
@@ -399,7 +399,7 @@ void CUtlBuffer::SetExternalBuffer(void* pMemory, int64 nSize, int64 nInitialPut
 	m_nTab = 0;
 	m_Error = 0;
 	m_nOffset = 0;
-	m_Flags = nFlags;
+	m_Flags = unsigned char(nFlags);
 	m_nMaxPut = -1;
 	AddNullTermination(m_Put);
 }
@@ -417,7 +417,7 @@ void CUtlBuffer::AssumeMemory(void* pMemory, int64 nSize, int64 nInitialPut, int
 	m_nTab = 0;
 	m_Error = 0;
 	m_nOffset = 0;
-	m_Flags = nFlags;
+	m_Flags = unsigned char(nFlags);
 	m_nMaxPut = -1;
 	AddNullTermination(m_Put);
 }
@@ -1572,7 +1572,7 @@ void CUtlBuffer::PutDelimitedString(CUtlCharConversion* pConv, const char* pStri
 void CUtlBuffer::VaPrintf(const char* pFmt, va_list list)
 {
 	char temp[8192];
-	int64 nLen = V_vsnprintf(temp, sizeof(temp), pFmt, list);
+	//int64 nLen = V_vsnprintf(temp, sizeof(temp), pFmt, list);
 	//ErrorIfNot(nLen < sizeof(temp), ("CUtlBuffer::VaPrintf: String overflowed buffer [%d]\n", sizeof(temp)));
 	PutString(temp);
 }
diff --git a/r5dev/tier1/utlstring.cpp b/r5dev/tier1/utlstring.cpp
index 33cf2d10..11803334 100644
--- a/r5dev/tier1/utlstring.cpp
+++ b/r5dev/tier1/utlstring.cpp
@@ -281,7 +281,7 @@ void CUtlString::ToUpper()
 {
 	for ( int64 nLength = Length() - 1; nLength >= 0; nLength--)
 	{
-		m_Storage[nLength] = toupper(m_Storage[nLength]);
+		m_Storage[nLength] = unsigned char(toupper( m_Storage[ nLength ] ));
 	}
 }
 
@@ -289,7 +289,7 @@ void CUtlString::ToLower()
 {
 	for( int64 nLength = Length() - 1; nLength >= 0; nLength-- )
 	{
-		m_Storage[ nLength ] = tolower( m_Storage[ nLength ] );
+		m_Storage[ nLength ] = unsigned char(tolower( m_Storage[ nLength ] ));
 	}
 }
 
diff --git a/r5dev/tier2/socketcreator.cpp b/r5dev/tier2/socketcreator.cpp
index c9a813ba..8b15fb2b 100644
--- a/r5dev/tier2/socketcreator.cpp
+++ b/r5dev/tier2/socketcreator.cpp
@@ -46,7 +46,7 @@ void CSocketCreator::ProcessAccept(void)
 {
 	sockaddr_storage inClient{};
 	int nLengthAddr = sizeof(inClient);
-	SocketHandle_t newSocket = ::accept(m_hListenSocket, reinterpret_cast<sockaddr*>(&inClient), &nLengthAddr);
+	SocketHandle_t newSocket = SocketHandle_t(::accept(SOCKET(m_hListenSocket), reinterpret_cast<sockaddr*>(&inClient), &nLengthAddr));
 	if (newSocket == -1)
 	{
 		if (!IsSocketBlocking())
@@ -128,7 +128,7 @@ bool CSocketCreator::CreateListenSocket(const netadr_t& netAdr, bool bListenOnAl
 {
 	CloseListenSocket();
 	m_ListenAddress = netAdr;
-	m_hListenSocket = ::socket(PF_INET6, SOCK_STREAM, IPPROTO_TCP);
+	m_hListenSocket = SocketHandle_t(::socket(PF_INET6, SOCK_STREAM, IPPROTO_TCP));
 
 	if (m_hListenSocket != INVALID_SOCKET)
 	{
@@ -187,7 +187,7 @@ int CSocketCreator::ConnectSocket(const netadr_t& netAdr, bool bSingleSocket)
 		CloseAllAcceptedSockets();
 	}
 
-	SocketHandle_t hSocket = ::socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
+	SocketHandle_t hSocket = SocketHandle_t(::socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP));
 	if (hSocket == SOCKET_ERROR)
 	{
 		Warning(eDLL_T::ENGINE, "Unable to create socket (%s)\n", NET_ErrorString(WSAGetLastError()));
diff --git a/r5dev/vgui/vgui_debugpanel.cpp b/r5dev/vgui/vgui_debugpanel.cpp
index 7ad34a92..3aded7ee 100644
--- a/r5dev/vgui/vgui_debugpanel.cpp
+++ b/r5dev/vgui/vgui_debugpanel.cpp
@@ -94,7 +94,7 @@ void CTextOverlay::DrawNotify(void)
 		if (flTimeleft < 1.0f)
 		{
 			float f = clamp(flTimeleft, 0.0f, 1.0f) / 1.0f;
-			c[3] = int(f * 255.0f);
+			c[3] = uint8_t(f * 255.0f);
 
 			if (i == 0 && f < 0.2f)
 			{