diff --git a/Sources/CMakeLists.txt b/Sources/CMakeLists.txt
index 80f518e..7f823cb 100644
--- a/Sources/CMakeLists.txt
+++ b/Sources/CMakeLists.txt
@@ -28,6 +28,9 @@ endif()
 if(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME MATCHES "GNU|kFreeBSD")
     SET(LINUX TRUE)
 endif()
+if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+    SET(FREEBSD TRUE)
+endif()
 if(APPLE)
     SET(MACOSX TRUE)
 endif()
@@ -71,6 +74,16 @@ if(LINUX)
     add_definitions(-DPRAGMA_ONCE=1)
 endif()
 
+if(FREEBSD)
+    set(CMAKE_SKIP_RPATH ON CACHE BOOL "Skip RPATH" FORCE)
+    add_definitions(-DPLATFORM_UNIX=1)
+    add_definitions(-DPLATFORM_FREEBSD=1)
+    add_definitions(-D_FILE_OFFSET_BITS=64)
+    add_definitions(-D_LARGEFILE_SOURCE=1)
+    add_definitions(-DPRAGMA_ONCE=1)
+    include_directories("/usr/local/include")
+endif()
+
 if(MACOSX)
     add_definitions(-DPLATFORM_UNIX=1)
     add_definitions(-DPLATFORM_MACOSX=1)
@@ -830,6 +843,19 @@ if(LINUX)
     endif()
 endif()
 
+if(FREEBSD)
+    set_target_properties(ssam PROPERTIES LINK_FLAGS "-Wl,-rpath,$ORIGIN")
+    target_link_libraries(ssam "m")
+    target_link_libraries(ssam "pthread")
+    target_link_libraries(ssam ${SDL2_LIBRARY})
+    if(BUILD_DEDICATED_SERVER)
+        set_target_properties(SeriousSamDedicated PROPERTIES LINK_FLAGS "-Wl,-rpath,$ORIGIN")
+        target_link_libraries(SeriousSamDedicated "m")
+        target_link_libraries(SeriousSamDedicated "pthread")
+        target_link_libraries(SeriousSamDedicated ${SDL2_LIBRARY})
+    endif()
+endif()
+
 if(TFE)
  set_target_properties(ssam PROPERTIES OUTPUT_NAME "ssam-tfe")
 endif()
diff --git a/Sources/Ecc/StdH.h b/Sources/Ecc/StdH.h
index 8c19296..1b048a0 100644
--- a/Sources/Ecc/StdH.h
+++ b/Sources/Ecc/StdH.h
@@ -21,7 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <stdarg.h>
 #include <math.h>
 
-#if !PLATFORM_MACOSX
+#if !defined(PLATFORM_MACOSX) && !defined(PLATFORM_FREEBSD)
 #include <malloc.h>
 #endif
 
diff --git a/Sources/Engine/Base/Timer.cpp b/Sources/Engine/Base/Timer.cpp
index 43be607..8922297 100644
--- a/Sources/Engine/Base/Timer.cpp
+++ b/Sources/Engine/Base/Timer.cpp
@@ -37,6 +37,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <sys/time.h>
 #endif
 
+#if PLATFORM_FREEBSD
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#endif
+
 // Read the Pentium TimeStampCounter (or something like that).
 static inline __int64 ReadTSC(void)
 {
@@ -340,6 +345,13 @@ CTimer::CTimer(BOOL bInterrupt /*=TRUE*/)
 #elif PLATFORM_MACOSX
   tm_llPerformanceCounterFrequency = tm_llCPUSpeedHZ = ((__int64) GetCPUSpeed()) * 1000000;
 
+#elif PLATFORM_FREEBSD
+  __int64 mhz = 0;
+  size_t len = sizeof(mhz);
+
+  sysctlbyname("hw.clockrate", &mhz, &len, NULL, 0);
+  tm_llPerformanceCounterFrequency = tm_llCPUSpeedHZ = (__int64) (mhz * 1000000);
+
 #else
   // !!! FIXME : This is an ugly hack.
   double mhz = 0.0;
diff --git a/Sources/Engine/Engine.h b/Sources/Engine/Engine.h
index eb17bdf..d63fae4 100644
--- a/Sources/Engine/Engine.h
+++ b/Sources/Engine/Engine.h
@@ -38,7 +38,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <search.h>   // for qsort
 #include <float.h>    // for FPU control
 
-#if !PLATFORM_MACOSX
+#if !defined(PLATFORM_MACOSX) && !defined(PLATFORM_FREEBSD)
 #include <malloc.h>
 #endif
 
diff --git a/Sources/Engine/StdH.h b/Sources/Engine/StdH.h
index 61fae43..d889b87 100644
--- a/Sources/Engine/StdH.h
+++ b/Sources/Engine/StdH.h
@@ -27,7 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <search.h>   // for qsort
 #include <float.h>    // for FPU control
 
-#if !PLATFORM_MACOSX
+#if !defined(PLATFORM_MACOSX) && !defined(PLATFORM_FREEBSD)
 #include <malloc.h>
 #endif
 
diff --git a/Sources/SeriousSam/SeriousSam.cpp b/Sources/SeriousSam/SeriousSam.cpp
index fa487d3..9b76471 100644
--- a/Sources/SeriousSam/SeriousSam.cpp
+++ b/Sources/SeriousSam/SeriousSam.cpp
@@ -23,7 +23,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 // !!! FIXME: rcg01082002 Do something with these.
 #ifdef PLATFORM_UNIX
   #include <Engine/Base/SDL/SDLEvents.h>
-  #if !PLATFORM_MACOSX
+  #if !defined(PLATFORM_MACOSX) && !defined(PLATFORM_FREEBSD)
     #include <mntent.h>
   #endif
 #endif