diff --git a/app.c b/app.c
index 9f575ec..a19aba5 100644
--- a/app.c
+++ b/app.c
@@ -31,6 +31,7 @@ App *app_NewApp() {
 	app->switch_level = NULL;
 	app->clear_color  = 0;
 	app->wantQuit     = false;
+	app->paused       = false;
 
 
 	Entity *player = entity_Create(app->entity, "player");
@@ -68,11 +69,14 @@ void app_Advance(App *app, Duration deltaTime) {
 	if (app->switch_level != NULL)
 		_app_SwitchLevel(app);
 
-	gametime_Advance(app->time, deltaTime);
-	particle_Advance(app->particle, deltaTime);
 	input_Advance(app->input);
-	player_Advance(app->player, deltaTime);
-	physics_Advance(app->physics, deltaTime);
-	entity_Advance(app->entity, deltaTime);
-	camera_Advance(app->camera, deltaTime);
+
+	if (!app->paused) {
+		gametime_Advance(app->time, deltaTime);
+		particle_Advance(app->particle, deltaTime);
+		player_Advance(app->player, deltaTime);
+		physics_Advance(app->physics, deltaTime);
+		entity_Advance(app->entity, deltaTime);
+		camera_Advance(app->camera, deltaTime);
+	}
 }
diff --git a/app.h b/app.h
index a0ee901..5c768f5 100644
--- a/app.h
+++ b/app.h
@@ -29,6 +29,7 @@ typedef struct _App {
 	char    *switch_level;
 	uint32_t clear_color;
 	bool     wantQuit, debugOn;
+	bool     paused;
 } App;
 
 App *app_NewApp();
diff --git a/app_file.c b/app_file.c
index 3585639..c6e985c 100644
--- a/app_file.c
+++ b/app_file.c
@@ -233,6 +233,7 @@ void _app_SwitchLevel(App *app) {
 	// Clear the current level
 	entity_Clear(app->entity);
 	particle_Clear(app->particle);
+	app->camera->target = NULL;
 
 	// Read every line
 	while (!feof(f) && fgets(linebuf, sizeof(linebuf), f)) {
diff --git a/app_render.cpp b/app_render.cpp
index fc9907b..ca0b586 100644
--- a/app_render.cpp
+++ b/app_render.cpp
@@ -172,5 +172,11 @@ void app_Render(App *app) {
 
 
 	settextcolor(RGB(255, 255, 255));
+
+	// If paused, display a text
+	if (app->paused) {
+		RECT rect = {.left = SCREEN_WIDTH / 2 - 10, .top = 100, .right = SCREEN_WIDTH / 2 + 10, .bottom = 200};
+		drawtext("Game Paused", &rect, DT_CENTER | DT_NOCLIP);
+	}
 }
 }
diff --git a/input.c b/input.c
index 6f597ed..0f44195 100644
--- a/input.c
+++ b/input.c
@@ -65,7 +65,10 @@ void input_Advance(System_Input *sys) {
 	}
 
 	if (sys->keys[input_Key_Escape] == JustPressed) {
-		fprintf(stderr, "[input_Advance] Let's quit now!\n");
-		sys->super->wantQuit = true;
+		if (!sys->super->paused)
+			fprintf(stderr, "[input_Advance] Pausing\n");
+		else
+			fprintf(stderr, "[input_Advance] Unpausing\n");
+		sys->super->paused = !sys->super->paused;
 	}
 }
diff --git a/mapper_misc.c b/mapper_misc.c
index 3380d5e..77c2c45 100644
--- a/mapper_misc.c
+++ b/mapper_misc.c
@@ -68,8 +68,8 @@ void misc_thinker_Hazard(App *app, Entity *e, Duration deltaTime) {
 		.fg       = 0};
 	uint64_t  emitCooldown = 400.0 * 40000.0 / e->misc->trigger.size.x; // 40 msec across 400px
 	TimePoint lastEmit     = {.microseconds = (uint64_t)e->thinkerData};
-	if (time_Since(lastEmit).microseconds > emitCooldown) {
-		lastEmit = time_Now();
+	if (gametime_Since(app->time, lastEmit).microseconds > emitCooldown) {
+		lastEmit = gametime_Now(app->time);
 		lastEmit.microseconds -= 10000 * rand_Double01();
 		Box2 worldbox = ABSOLUTE_BOX(e, e->misc->trigger);
 		particle_Emit(
@@ -128,7 +128,7 @@ void misc_thinker_ToLive(App *app, Entity *e, Duration deltaTime) {
 		return;
 	}
 
-	if (e->misc->tolive.microseconds < time_Now().microseconds) {
+	if (e->misc->tolive.microseconds < gametime_Now(app->time).microseconds) {
 		// After its allocated time
 		entity_Delete(app->entity, e->id);
 	}
@@ -146,8 +146,8 @@ void misc_thinker_ChangeLevel(App *app, Entity *e, Duration deltaTime) {
 	// Copied from Hazard thinker
 	uint64_t  emitCooldown = 400.0 * 60000.0 / e->misc->trigger.size.x; // 60 msec across 400px
 	TimePoint lastEmit     = {.microseconds = (uint64_t)e->thinkerData};
-	if (time_Since(lastEmit).microseconds > emitCooldown) {
-		lastEmit = time_Now();
+	if (gametime_Since(app->time, lastEmit).microseconds > emitCooldown) {
+		lastEmit = gametime_Now(app->time);
 		lastEmit.microseconds -= 10000 * rand_Double01();
 		Box2 worldbox = ABSOLUTE_BOX(e, e->misc->trigger);
 		particle_Emit(
diff --git a/particle.c b/particle.c
index acbecc1..443da7a 100644
--- a/particle.c
+++ b/particle.c
@@ -4,6 +4,7 @@
 #include "util/tree.h"
 #include "util/vector.h"
 #include "util/assert.h"
+#include "app.h"
 #include <stdio.h>
 
 
@@ -38,7 +39,7 @@ void particle_DeleteSystem(System_Particle *sys) {
 static void _particle_AdvancePart(System_Particle *sys, int layer, Particle *p, Duration deltaTime) {
 	p->size -= p->sizedec * duration_Seconds(deltaTime);
 	if ((p->tolive.microseconds != 0 &&
-		 time_Since(p->addtime).microseconds > p->tolive.microseconds) ||
+		 gametime_Since(sys->super->time, p->addtime).microseconds > p->tolive.microseconds) ||
 		p->size < EPS) { // vanished
 		particle_Delete(sys, layer, p->id);
 		return;
@@ -82,7 +83,7 @@ void particle_Emit(System_Particle *sys, int layer, Vec2 pos, Vec2 vec, double v
 	Particle *p  = tree_Insert(sys->parts[layer], id, NULL);
 	memset(p, 0, sizeof(Particle));
 	p->id           = id;
-	p->addtime      = time_Now();
+	p->addtime      = gametime_Now(sys->super->time);
 	p->tolive       = tolive;
 	p->pos          = pos;
 	p->vec          = vec;
diff --git a/player.c b/player.c
index f48efd7..c8fdfe1 100644
--- a/player.c
+++ b/player.c
@@ -74,12 +74,12 @@ void player_Advance(System_Player *sys, Duration deltaTime) {
 	// Particles
 	static Duration  emitCooldown = {.microseconds = 80000};
 	static TimePoint lastEmit     = {.microseconds = 0};
-	if (time_Since(p->lastDash).microseconds < dashLength.microseconds && dabs(p->super->position->velocity.x) > EPS) {
+	if (gametime_Since(sys->super->time, p->lastDash).microseconds < dashLength.microseconds && dabs(p->super->position->velocity.x) > EPS) {
 		// When dashing
 		static TimePoint lastDashEmit = {.microseconds = 0};
 		static Duration  cooldown     = {.microseconds = 4000};
-		if (time_Since(lastDashEmit).microseconds > cooldown.microseconds) {
-			lastDashEmit = time_Now();
+		if (gametime_Since(sys->super->time, lastDashEmit).microseconds > cooldown.microseconds) {
+			lastDashEmit = gametime_Now(sys->super->time);
 			Vec2 to_pos  = vec2_Add(p->super->position->position, vec2(0, -p->super->hitbox->box.size.y / 2.0));
 			particle_Emit(
 				sys->super->particle,
@@ -89,12 +89,12 @@ void player_Advance(System_Player *sys, Duration deltaTime) {
 				7, rand_DoubleRange(14, 20), rand_DoubleRange(32, 40),
 				duration_FromSeconds(0), &render_ModeRotate);
 		}
-		lastEmit = time_Now();
+		lastEmit = gametime_Now(sys->super->time);
 		lastEmit.microseconds -= 74000;
 	} else {
 		// When not dashing
-		if (time_Since(lastEmit).microseconds > emitCooldown.microseconds) {
-			lastEmit = time_Now();
+		if (gametime_Since(sys->super->time, lastEmit).microseconds > emitCooldown.microseconds) {
+			lastEmit = gametime_Now(sys->super->time);
 			lastEmit.microseconds += duration_FromSeconds(0.05 * rand_Double01()).microseconds;
 			Vec2 to_pos = vec2_Add(p->super->position->position, vec2(0, -p->super->hitbox->box.size.y));
 			particle_Emit(
@@ -148,13 +148,13 @@ void player_Advance(System_Player *sys, Duration deltaTime) {
 		p->dashCount = 0;
 	if (input_IsPressed(input->keys[input_Key_Dash]) &&
 		(p->onGround || p->dashCount < airdashCount) &&
-		time_Since(p->lastDash).microseconds > dashCooldown.microseconds) {
-		p->lastDash = time_Now();
+		gametime_Since(sys->super->time, p->lastDash).microseconds > dashCooldown.microseconds) {
+		p->lastDash = gametime_Now(sys->super->time);
 		if (!p->onGround)
 			p->dashCount++;
 	}
 	// Am I dashing right now?
-	if (time_Since(p->lastDash).microseconds < dashLength.microseconds) {
+	if (gametime_Since(sys->super->time, p->lastDash).microseconds < dashLength.microseconds) {
 		p->super->position->velocity.x += p->faceDirection * dashSpeed;
 		p->super->position->velocity.y = 0;
 	} else { // Release the stored Y speed