diff --git a/Escape-the-Dawn/GameWorld.h b/Escape-the-Dawn/GameWorld.h
index 1628205..7b87636 100644
--- a/Escape-the-Dawn/GameWorld.h
+++ b/Escape-the-Dawn/GameWorld.h
@@ -54,7 +54,7 @@ void GameWorld::Initialize()
 
 	//AddSystem("LevelGenerationSystem");
 	AddSystem("InputSystem");
-	//AddSystem("CollisionSystem");
+	AddSystem("CollisionSystem");
 	//AddSystem("ParticleSystem");
 	AddSystem("PlayerSystem");
 	AddSystem("SoundSystem");
@@ -75,9 +75,12 @@ void GameWorld::Initialize()
 	soundEmitter->MaxDistance = FLT_MAX;
 	soundEmitter->ReferenceDistance = 10;
 	soundEmitter->Loop = true;
-	
 	soundEmitter->Pitch = 1;
 	GetSystem<Systems::SoundSystem>("SoundSystem")->PlaySound(soundEmitter, "Sounds/hallelujah.wav");
+	auto aabb = AddComponent<Components::Bounds>(ent, "Bounds");
+	aabb->Origin = transform->Position;
+	aabb->VolumeVector = glm::vec3(30.f, 20.f, 50.f);
+	GetSystem<Systems::CollisionSystem>("CollisionSystem")->Intersects(ent, ent);
 	
 
 	ent = CreateEntity();
@@ -96,7 +99,7 @@ void GameWorld::RegisterSystems()
 {
 	//m_SystemFactory.Register("LevelGenerationSystem", [this]() { return new Systems::LevelGenerationSystem(this); });
 	m_SystemFactory.Register("InputSystem", [this]() { return new Systems::InputSystem(this, m_Renderer); });
-	//m_SystemFactory.Register("CollisionSystem", [this]() { return new Systems::CollisionSystem(this); });
+	m_SystemFactory.Register("CollisionSystem", [this]() { return new Systems::CollisionSystem(this); });
 	//m_SystemFactory.Register("ParticleSystem", [this]() { return new Systems::ParticleSystem(this); });
 	m_SystemFactory.Register("PlayerSystem", [this]() { return new Systems::PlayerSystem(this); });
 	m_SystemFactory.Register("SoundSystem", [this]() { return new Systems::SoundSystem(this); });
diff --git a/Escape-the-Dawn/Systems/CollisionSystem.cpp b/Escape-the-Dawn/Systems/CollisionSystem.cpp
index f9c5a8a..004f393 100644
--- a/Escape-the-Dawn/Systems/CollisionSystem.cpp
+++ b/Escape-the-Dawn/Systems/CollisionSystem.cpp
@@ -14,3 +14,46 @@ void Systems::CollisionSystem::UpdateEntity(double dt, EntityID entity, EntityID
 	}
 	LOG_INFO("Updating entity %i with parent %i", entity, parent);
 }
+
+bool Systems::CollisionSystem::Intersects(EntityID entity1, EntityID entity2)
+{
+	auto bounds1 = m_World->GetComponent<Components::Bounds>(entity1, "Bounds");
+	auto bounds2 = m_World->GetComponent<Components::Bounds>(entity2, "Bounds");
+
+	float width = bounds1->VolumeVector.x;
+	float height = bounds1->VolumeVector.y;
+	float depth = bounds1->VolumeVector.z;
+
+	GLfloat vertices1[] = {
+		bounds1->Origin.x - width / 2, bounds1->Origin.y - height / 2, bounds1->Origin.z - depth / 2, 1.0,
+		bounds1->Origin.x + width / 2, bounds1->Origin.y - height / 2, bounds1->Origin.z - depth / 2, 1.0,
+		bounds1->Origin.x + width / 2, bounds1->Origin.y + height / 2, bounds1->Origin.z - depth / 2, 1.0,
+		bounds1->Origin.x - width / 2, bounds1->Origin.y + height / 2, bounds1->Origin.z - depth / 2, 1.0,
+		bounds1->Origin.x - width / 2, bounds1->Origin.y - height / 2, bounds1->Origin.z + depth / 2, 1.0,
+		bounds1->Origin.x + width / 2, bounds1->Origin.y - height / 2, bounds1->Origin.z + depth / 2, 1.0,
+		bounds1->Origin.x + width / 2, bounds1->Origin.y + height / 2, bounds1->Origin.z + depth / 2, 1.0,
+		bounds1->Origin.x - width / 2, bounds1->Origin.y + height / 2, bounds1->Origin.z + depth / 2, 1.0,
+	};
+
+	GLuint vbo_vertices;
+	glGenBuffers(1, &vbo_vertices);
+	glBindBuffer(GL_ARRAY_BUFFER, vbo_vertices);
+	glBufferData(GL_ARRAY_BUFFER, sizeof(vertices1), vertices1, GL_STATIC_DRAW);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+
+	GLushort elements[] = {
+		0, 1, 2, 3,
+		4, 5, 6, 7,
+		0, 4, 1, 5, 
+		2, 6, 3, 7
+	};
+	GLuint ibo_elements;
+	glGenBuffers(1, &ibo_elements);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo_elements);
+	glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(elements), elements, GL_STATIC_DRAW);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+
+	
+
+	return true;
+}
\ No newline at end of file
diff --git a/Escape-the-Dawn/Systems/CollisionSystem.h b/Escape-the-Dawn/Systems/CollisionSystem.h
index 5c4c448..a4794ba 100644
--- a/Escape-the-Dawn/Systems/CollisionSystem.h
+++ b/Escape-the-Dawn/Systems/CollisionSystem.h
@@ -3,8 +3,11 @@
 
 #include "System.h"
 #include "logging.h"
+#include <glew-1.10.0/include/GL/glew.h>
 
 #include "Components/Transform.h"
+#include "Components/Collision.h"
+#include "Components/Bounds.h"
 
 namespace Systems
 {
@@ -16,6 +19,7 @@ public:
 		: System(world) { }
 
 	void UpdateEntity(double dt, EntityID entity, EntityID parent) override;
+	bool Intersects(EntityID, EntityID);
 };
 
 }
diff --git a/Escape-the-Dawn/Systems/SoundSystem.h b/Escape-the-Dawn/Systems/SoundSystem.h
index 7284ad1..4a27d0a 100644
--- a/Escape-the-Dawn/Systems/SoundSystem.h
+++ b/Escape-the-Dawn/Systems/SoundSystem.h
@@ -6,9 +6,7 @@
 #include "Components/SoundEmitter.h"
 #include <AL/al.h>
 #include <AL/alc.h>
-#include <windows.h>
 #include <vector>
-#include <glm/gtc/quaternion.hpp>
 #include <glm/gtx/quaternion.hpp>
 
 namespace Systems
@@ -30,11 +28,11 @@ private:
 
 	//File-info
 	char type[4];
-	DWORD size, chunkSize;
+	unsigned long size, chunkSize;
 	short formatType, channels;
-	DWORD sampleRate, avgBytesPerSec;
+	unsigned long sampleRate, avgBytesPerSec;
 	short bytesPerSample, bitsPerSample;
-	DWORD dataSize;
+	unsigned long dataSize;
 	
 	
 	std::map<Component*, ALuint> m_Source; 
diff --git a/Escape-the-Dawn/Systems/SoundsSystem.cpp b/Escape-the-Dawn/Systems/SoundsSystem.cpp
index d35e322..88789c7 100644
--- a/Escape-the-Dawn/Systems/SoundsSystem.cpp
+++ b/Escape-the-Dawn/Systems/SoundsSystem.cpp
@@ -103,7 +103,7 @@ ALuint Systems::SoundSystem::LoadFile(std::string fileName)
 		return 0;
 	}
 
-	fread(&size, sizeof(DWORD), 1, fp);
+	fread(&size, sizeof(unsigned long), 1, fp);
 	fread(type, sizeof(char), 4, fp);
 	if(type[0]!='W' || type[1]!='A' || type[2]!='V' || type[3]!='E') {
 		LOG_ERROR("ERROR: Not WAVE-file");
@@ -117,11 +117,11 @@ ALuint Systems::SoundSystem::LoadFile(std::string fileName)
 	}
 
 	//READ THE DATA FROM WAVE-FILE
-	fread(&chunkSize, sizeof(DWORD), 1, fp);
+	fread(&chunkSize, sizeof(unsigned long), 1, fp);
 	fread(&formatType, sizeof(short), 1, fp);
 	fread(&channels, sizeof(short), 1, fp);
-	fread(&sampleRate, sizeof(DWORD), 1, fp);
-	fread(&avgBytesPerSec, sizeof(DWORD), 1, fp);
+	fread(&sampleRate, sizeof(unsigned long), 1, fp);
+	fread(&avgBytesPerSec, sizeof(unsigned long), 1, fp);
 	fread(&bytesPerSample, sizeof(short), 1, fp);
 	fread(&bitsPerSample, sizeof(short), 1, fp);
 
@@ -132,10 +132,10 @@ ALuint Systems::SoundSystem::LoadFile(std::string fileName)
 		return 0;
 	}
 
-	fread(&dataSize, sizeof(DWORD), 1, fp);
+	fread(&dataSize, sizeof(unsigned long), 1, fp);
 
 	unsigned char* buf = new unsigned char[dataSize];
-	fread(buf, sizeof(BYTE), dataSize, fp);
+	fread(buf, sizeof(unsigned char), dataSize, fp);
 	fclose(fp);
 
 	// Create buffer