diff --git a/src/Lib/Timer.cpp b/src/Lib/Timer.cpp
index 3dd1d2513..bad8805ae 100644
--- a/src/Lib/Timer.cpp
+++ b/src/Lib/Timer.cpp
@@ -2,6 +2,8 @@
 
 #ifdef _WIN64
 #include <windows.h>
+#else
+#include <ctime>
 #endif
 
 Lib::Timer::Timer() {
@@ -10,7 +12,7 @@ Lib::Timer::Timer() {
     QueryPerformanceFrequency(&f);
     m_Frequency = f.QuadPart;
 #else
-#error Unimplemented Timer constructor
+    m_Frequency = 1000000000LL;
 #endif
 }
 
@@ -20,7 +22,9 @@ void Lib::Timer::Start() {
     QueryPerformanceCounter(&c);
     m_StartTime = c.QuadPart;
 #else
-#error Unimplemented Timer::Start()
+    struct timespec now {};
+    clock_gettime(CLOCK_MONOTONIC, &now);
+    m_StartTime = now.tv_sec* 1000000000LL + now.tv_nse
 #endif
     m_is_timer_paused = false;
 }
@@ -31,7 +35,9 @@ void Lib::Timer::Pause() {
     QueryPerformanceCounter(&c);
     m_PauseTime = c.QuadPart;
 #else
-#error Unimplemented Timer::Pause()
+    struct timespec now {};
+    clock_gettime(CLOCK_MONOTONIC, &now);
+    m_PauseTime = now.tv_sec* 1000000000LL + now.tv_nse
 #endif
     m_is_timer_paused = true;
 }
@@ -43,7 +49,9 @@ void Lib::Timer::Resume() {
     QueryPerformanceCounter(&c);
     current_time = c.QuadPart;
 #else
-#error Unimplemented Timer::Resume()
+    struct timespec now {};
+    clock_gettime(CLOCK_MONOTONIC, &now);
+    current_time = now.tv_sec* 1000000000LL + now.tv_nse
 #endif
     m_StartTime += current_time - m_PauseTime;
     m_is_timer_paused = false;
@@ -62,7 +70,9 @@ double Lib::Timer::GetTimeMsec() const {
     QueryPerformanceCounter(&c);
     current_time = c.QuadPart;
 #else
-#error Unimplemented Timer::GetTimeMsec()
+    struct timespec now {};
+    clock_gettime(CLOCK_MONOTONIC, &now);
+    current_time = now.tv_sec * 1000000000LL + now.tv_nse
 #endif
     return 1000.0 * (static_cast<double>(current_time - m_StartTime)) / static_cast<double>(m_Frequency);
 }
@@ -78,7 +88,9 @@ double Lib::Timer::GetTimeSec() const {
     QueryPerformanceCounter(&c);
     current_time = c.QuadPart;
 #else
-#error Unimplemented Timer::GetTimeSec()
+    struct timespec now {};
+    clock_gettime(CLOCK_MONOTONIC, &now);
+    current_time = now.tv_sec * 1000000000LL + now.tv_nse
 #endif
     return (static_cast<double>(current_time - m_StartTime)) / static_cast<double>(m_Frequency);
 }
@@ -94,10 +106,11 @@ u64 Lib::Timer::GetTicks() const {
     QueryPerformanceCounter(&c);
     current_time = c.QuadPart;
 #else
-#error Unimplemented Timer::GetTicks()
+    struct timespec now {};
+    clock_gettime(CLOCK_MONOTONIC, &now);
+    current_time = now.tv_sec * 1000000000LL + now.tv_nse
 #endif
     return (current_time - m_StartTime);
 }
 
 u64 Lib::Timer::GetFrequency() const { return m_Frequency; }
-