diff --git a/README.md b/README.md
index ffdf03c..6c4da1a 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,6 @@ compile with `make -j[threads]`
 
 - OpenGL, utilised with GLAD and GLFW
 - ImGui for lovely GUI
-- SPDLog for lovely logging
+- YOLO for lovely logging
 
 ## Acknowledgements
diff --git a/hart/inferno-hart-cpu/src/main.cpp b/hart/inferno-hart-cpu/src/main.cpp
index f0a92a1..41794c9 100644
--- a/hart/inferno-hart-cpu/src/main.cpp
+++ b/hart/inferno-hart-cpu/src/main.cpp
@@ -8,6 +8,7 @@
 
 #include <iostream>
 #include <thread>
+#include <condition_variable>
 #include <chrono>
 #include <numeric>
 
@@ -37,7 +38,7 @@ public:
         
         mState = EModuleState::Build;
         mVert = (float*)vert; mNorm = (float*)norm; mVc = vc; mIndices = (uint32_t*)indices; mIc = ic;
-        spdlog::info("[hartcpu] Recieved {} verticies ({}) and {} indicies ({})", vc / 3, vert, ic / 3, indices);
+        yolo::info("[hartcpu] Recieved {} verticies ({}) and {} indicies ({})", vc / 3, vert, ic / 3, indices);
 
         std::vector<uint32_t> indicesToProcess(ic / 3);
         for (uint32_t i = 0; i < ic / 3; ++i)
@@ -47,7 +48,7 @@ public:
 
         mKdTree = new KDTree(mVert, mIndices, indicesToProcess, 0, indicesToProcess.size() - 1, 10);
         mKdTree->printTree(mKdTree->getRoot(), 1);
-        spdlog::info("[hartcpu] Accelerator ready..");
+        yolo::info("[hartcpu] Accelerator ready..");
 
         mState = EModuleState::Idle;
     }
@@ -61,7 +62,7 @@ public:
         mState = EModuleState::Trace;
         _mSignalCv.notify_all();
         
-        spdlog::info("[hartcpu] Signal master to start");
+        yolo::info("[hartcpu] Signal master to start");
        
         {
             std::unique_lock<std::mutex> doneLock(_mDoneMut);
diff --git a/libhart/inferno_hart.hpp b/libhart/inferno_hart.hpp
index e57b908..c10faa2 100644
--- a/libhart/inferno_hart.hpp
+++ b/libhart/inferno_hart.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <spdlog/spdlog.h>
+#include <yolo/yolo.hpp>
 
 #include <string>
 #include <mutex>
@@ -93,7 +93,7 @@ public:
         std::lock_guard<std::mutex> lock(_mData);
         for (const auto& e: queue)
             mToTrace.push(e);
-        spdlog::info("[hartmodule] New trace queue: {}", mToTrace.size());  
+        yolo::info("[hartmodule] New trace queue: {}", mToTrace.size());  
     }
 
     inline void pushtoQueue(Ray* ray)
@@ -104,7 +104,7 @@ public:
 
     inline void passContext(void* context, HART_HIT_CALLBACK callback)
     {
-        spdlog::debug("[hartmodule] Recieved context");
+        yolo::debug("[hartmodule] Recieved context");
         std::lock_guard<std::mutex> lock(_mData);
         mCtx = context;
         Hit = callback;
diff --git a/libhart/thirdparty/yolo/yolo.hpp b/libhart/thirdparty/yolo/yolo.hpp
index e1130b6..f41130d 100644
--- a/libhart/thirdparty/yolo/yolo.hpp
+++ b/libhart/thirdparty/yolo/yolo.hpp
@@ -14,7 +14,7 @@ namespace detail {
     static std::vector<std::pair<std::string, std::string>> modules;
 
     template<typename... Args>
-    std::string format(const std::string& format, Args... args)
+    inline std::string format(const std::string& format, Args... args)
     {
         std::ostringstream oss;
         size_t start = 0; size_t pos;
@@ -23,7 +23,7 @@ namespace detail {
         return oss.str();
     }
 
-    std::string formatTime() 
+    inline std::string formatTime() 
     {
         auto now = std::chrono::system_clock::now();
         std::time_t time = std::chrono::system_clock::to_time_t(now);
diff --git a/src/hart_directory.cpp b/src/hart_directory.cpp
index f6b828e..635d1eb 100644
--- a/src/hart_directory.cpp
+++ b/src/hart_directory.cpp
@@ -2,7 +2,7 @@
 
 #include "inferno_hart.hpp"
 
-#include <spdlog/spdlog.h>
+#include <yolo/yolo.hpp>
 
 #include <iostream>
 
@@ -53,7 +53,7 @@ std::vector<HARTModuleDirectory::discoveryEntry> HARTModuleDirectory::discoverMo
 
 HARTModuleDirectory::discoveryEntry HARTModuleDirectory::registerModule(std::filesystem::path file)
 {
-    spdlog::info("Registering module at {}", file.c_str());
+    yolo::info("Registering module at {}", file.c_str());
 
     discoveryEntry entry;
     entry.Location = file;
@@ -62,7 +62,7 @@ HARTModuleDirectory::discoveryEntry HARTModuleDirectory::registerModule(std::fil
     entry.Handle = LoadLibraryA(file.c_str());
     if (entry.Handle == NULL) 
     {
-        spdlog::error("Cannot load module at {}.", file.c_str());
+        yolo::error("Cannot load module at {}.", file.c_str());
         entry.Handle = NULL; entry.DidLink = false;
         return entry;
     }
@@ -73,7 +73,7 @@ HARTModuleDirectory::discoveryEntry HARTModuleDirectory::registerModule(std::fil
     entry.Handle = dlopen(file.c_str(), RTLD_NOW | RTLD_LOCAL);
     if (entry.Handle == NULL) 
     {
-        spdlog::error("Cannot load module at ", dlerror());
+        yolo::error("Cannot load module at ", dlerror());
         entry.Handle = NULL; entry.DidLink = false;
         return entry;
     }
@@ -84,30 +84,30 @@ HARTModuleDirectory::discoveryEntry HARTModuleDirectory::registerModule(std::fil
 
     if (credit == NULL)
     {
-        spdlog::error("Cannot load module at {}... No credit...", file.c_str());
+        yolo::error("Cannot load module at {}... No credit...", file.c_str());
         entry.Handle = NULL; entry.DidLink = false;
         return entry;
     }
     if (entry.InitCallback == NULL)
     {
-        spdlog::error("Cannot load module at {}... No get...", file.c_str());
+        yolo::error("Cannot load module at {}... No get...", file.c_str());
         entry.Handle = NULL; entry.DidLink = false;
         return entry;
     }
     if (entry.DestroyCallback == NULL)
     {
-        spdlog::error("Cannot load module at {}... No destroy...", file.c_str());
+        yolo::error("Cannot load module at {}... No destroy...", file.c_str());
         entry.Handle = NULL; entry.DidLink = false;
         return entry;
     }
 
     entry.Credit = (ModuleCredit*)credit();
 
-    spdlog::info("Module {0} v{1}.{2}.{3} by {4}", entry.Credit->ModuleName,
-                                                   entry.Credit->VersionMajor,
-                                                   entry.Credit->VersionMinor,
-                                                   entry.Credit->VersionBuild,
-                                                   entry.Credit->AuthorName);
+    yolo::info("Module {} v{}.{}.{} by {}", entry.Credit->ModuleName,
+                                            entry.Credit->VersionMajor,
+                                            entry.Credit->VersionMinor,
+                                            entry.Credit->VersionBuild,
+                                            entry.Credit->AuthorName);
 
     entry.DidLink = true;
     mEntries[entry.Credit->ModuleName] = { entry, nullptr };
diff --git a/src/hart_module.cpp b/src/hart_module.cpp
index 9379c5d..84fd7ed 100644
--- a/src/hart_module.cpp
+++ b/src/hart_module.cpp
@@ -6,7 +6,7 @@
 #include <scene/scene.hpp>
 #include <scene/mesh.hpp>
 
-#include <spdlog/spdlog.h>
+#include <yolo/yolo.hpp>
 
 #include <vector>
 
@@ -46,7 +46,7 @@ void HHM::newScene(Scene* scene)
         void* verticies; void* normals; void* indicies;
         int vertexCount = mesh->getVerticies(&verticies, &normals);
         int indexCount = mesh->getIndicies(&indicies);
-        spdlog::debug("Mesh for module ready... {} {}", verticies, normals);
+        yolo::debug("Mesh for module ready... {} {}", verticies, normals);
         mod->submitTris(verticies, normals, vertexCount, indicies, indexCount);
     }
 }
@@ -77,7 +77,7 @@ void HHM::startTrace(RayField sourceScatter)
     // TODO: Signal start
     HARTModule* mod = mDirectory.getActiveModule();
     mod->passContext((void*)this, &rayHitCallback);
-    spdlog::debug("SubmitQueue {}", sourceScatter.size());
+    yolo::debug("SubmitQueue {}", sourceScatter.size());
     mod->submitQueue(sourceScatter);
     mod->start(); 
 }
diff --git a/src/inferno.cpp b/src/inferno.cpp
index b7165a2..3a11842 100644
--- a/src/inferno.cpp
+++ b/src/inferno.cpp
@@ -16,7 +16,7 @@
 #include "scene/material.hpp"
 #include "scene/mesh.hpp"
 
-#include <spdlog/spdlog.h>
+#include <yolo/yolo.hpp>
 
 #include <iostream>
 #include <memory>
@@ -28,8 +28,7 @@ using namespace inferno;
 Inferno::Inferno()
 {
     // MOTD
-    spdlog::set_level(spdlog::level::trace);
-    spdlog::info("INFERNO HART v" INFERNO_VERSION);
+    yolo::info("INFERNO HART v" INFERNO_VERSION);
 
     // Create window
     mWin = &Window::GetInstance();
@@ -72,7 +71,7 @@ void Inferno::uiPreset()
     ImGui::DockBuilderDockWindow("Render", dock_main_id);
     ImGui::DockBuilderFinish(dockspace_id);
 
-    spdlog::info("LAYOUT SET TO DEFAULT");
+    yolo::info("LAYOUT SET TO DEFAULT");
 }
 
 void Inferno::moveInput()
@@ -320,7 +319,7 @@ int Inferno::run()
                 case GL_INVALID_FRAMEBUFFER_OPERATION: error = "INVALID_FRAMEBUFFER_OPERATION"; break;
                 default:                               error = std::to_string((uint32_t)err); break;
             }
-            spdlog::error("[GL]: {0} {1}", err, error);
+            yolo::error("[GL]: {} {}", err, error);
         }    
         
         mWin->render();
diff --git a/src/main.cpp b/src/main.cpp
index 497c509..6ddbc6a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,5 @@
 #include "inferno.hpp"
-#include "spdlog/spdlog.h"
+#include "yolo/yolo.hpp"
 
 #include <exception>
 
@@ -11,7 +11,7 @@ int main(int argc, char** argv)
     }
     catch (std::exception e) 
     {
-        spdlog::error(e.what());
+        yolo::error(e.what());
         return -1;
     }
 }
diff --git a/src/renderer/dispatcher.cpp b/src/renderer/dispatcher.cpp
index 74c4502..bc1515e 100644
--- a/src/renderer/dispatcher.cpp
+++ b/src/renderer/dispatcher.cpp
@@ -3,8 +3,6 @@
 #include "hart_module.hpp"
 #include "renderer.hpp"
 
-#include <spdlog/spdlog.h>
-
 #include <mutex>
 #include <chrono>
 
diff --git a/src/renderer/renderer.cpp b/src/renderer/renderer.cpp
index efe5ff4..0cd3230 100644
--- a/src/renderer/renderer.cpp
+++ b/src/renderer/renderer.cpp
@@ -11,7 +11,7 @@
 #include "hart_module.hpp"
 #include "ray_source.hpp"
 
-#include <spdlog/spdlog.h>
+#include <yolo/yolo.hpp>
 
 #include <iostream>
 
@@ -83,7 +83,7 @@ void RayRenderer::prepare()
     assert(mCurrentScene != nullptr);
     if (mCurrentScene->didUpdate())
     {
-        spdlog::debug("New Scene!");
+        yolo::debug("New Scene!");
         mIface->newScene(mCurrentScene);
     }
 }
@@ -105,7 +105,7 @@ void RayRenderer::draw()
     // before we start we now want to check that it hasn't been force-stopped
     mIface->startTrace(startRays.Field);
 
-    spdlog::info("Sample complete");
+    yolo::info("Sample complete");
 
     for (auto* ray : startRays.Field)
     {
@@ -120,7 +120,7 @@ void RayRenderer::computeHit(HitInfo* info)
     // TODO: Make sure signal is started
     if (!(*mCurrentRefTable).count(info->Caller->Reference))
     {
-        spdlog::warn("Why is the ray not in the map?!");
+        yolo::warn("Why is the ray not in the map?!");
         return;
     }
     glm::ivec2 pos = (*mCurrentRefTable)[info->Caller->Reference];
diff --git a/src/scene/mesh.cpp b/src/scene/mesh.cpp
index 1fc1172..03f4bca 100644
--- a/src/scene/mesh.cpp
+++ b/src/scene/mesh.cpp
@@ -1,6 +1,6 @@
 #include "mesh.hpp"
 
-#include <spdlog/spdlog.h>
+#include <yolo/yolo.hpp>
 
 #include <scene/objloader.hpp>
 
@@ -71,14 +71,13 @@ void Mesh::ready()
 
     glBindVertexArray(0);
 
-    spdlog::debug("Mesh for preview ready...");
+    yolo::debug("Mesh for preview ready...");
 }
 
 int Mesh::getVerticies(void** v, void** n)
 {
     *v = (void*)&mObjLoader->getPositions()[0];
     *n = (void*)&mObjLoader->getNormals()[0];
-    // spdlog::debug("Mesh get {} {}", v, n);
     return mObjLoader->getVertCount();
 }
 
diff --git a/src/scene/objloader.cpp b/src/scene/objloader.cpp
index b5a0968..8a0367a 100644
--- a/src/scene/objloader.cpp
+++ b/src/scene/objloader.cpp
@@ -1,7 +1,7 @@
 // Adapted from https://raw.githubusercontent.com/tamato/simple-obj-loader/master/objloader.cpp
 #include "objloader.hpp"
 
-#include <spdlog/spdlog.h>
+#include <yolo/yolo.hpp>
 
 #include <iostream>
 #include <cstdlib>
@@ -54,7 +54,7 @@ void ObjLoader::load(std::filesystem::path file)
 {
     if (!std::filesystem::exists(file))
     {
-        spdlog::error("OBJ File does not exist at ", file.string());
+        yolo::error("OBJ File does not exist at ", file.string());
         return;
     }
 
@@ -62,7 +62,7 @@ void ObjLoader::load(std::filesystem::path file)
     inf.open(file.c_str(), std::ios_base::in);
     if (!inf.is_open()) 
     {
-        spdlog::error("Failed to open OBJ file ", file.string());
+        yolo::error("Failed to open OBJ file ", file.string());
         return;
     }
 
diff --git a/src/window.cpp b/src/window.cpp
index 989e1df..1c859bc 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -2,7 +2,7 @@
 
 #include "gui/style.hpp"
 
-#include "spdlog/spdlog.h"
+#include "yolo/yolo.hpp"
 
 using namespace inferno;
 
@@ -188,5 +188,5 @@ void Window::glfwKeyCallback(GLFWwindow* window, int key, int scancode, int acti
 }
 
 void Window::glfwErrorCallback(int error, const char* description) {
-    spdlog::error("[GLFW {0}] {1}", error, description);
+    yolo::error("[GLFW {}] {}", error, description);
 }