diff --git a/code/first.c b/code/first.c
index 2bae5da..f4221eb 100644
--- a/code/first.c
+++ b/code/first.c
@@ -479,7 +479,7 @@ int main(int argc, char **argv)
               .texture=0,
               .dim=game->world->hitboxes[i].size,
               .flags=D_RECT_IGNORE_ASPECT,
-              .c=V4F(100,0,0,0.7),
+              .c=V4F(100,0,0,0.7f),
             );
           }
           break;
diff --git a/code/game/impl/world.c b/code/game/impl/world.c
index 0f01f33..cebe920 100644
--- a/code/game/impl/world.c
+++ b/code/game/impl/world.c
@@ -35,7 +35,7 @@ void ProcessEvents(SDL_Event *event, World *world)
 {
   PlayerInput(event, &world->player);
   if(event->type == SDL_EVENT_KEY_DOWN && event->key.key == SDLK_F5){
-    SaveWorld(world->arena, world);
+    SaveWorld(world);
   }
   if(event->type == SDL_EVENT_KEY_DOWN && event->key.key == SDLK_F6){
     LoadWorld(world->arena, world);
@@ -79,105 +79,159 @@ void RenderWorld(World *world, D_Context *draw) {
 	PlayerDraw(draw, &world->player);
 }
 
-void SaveWorld(M_Arena *arena, World *world) {
-	(void) arena;
+#define WRITE(v) FS_FileWrite(file, &(v), sizeof(v), offset); offset += sizeof(v)
+#define WRITEN(v, n) FS_FileWrite(file, v, (n) * sizeof(*(v)), offset); offset += ((n) * sizeof(*(v)))
+
+void SaveWorld(World *world) {
+  printf("--- Saving World ---\n");
+	printf("  - %d props\n", world->propCount);
+	printf("  - %d hitboxes\n", world->hitboxCount);
 
-  printf("Saving world\n");
   OS_Handle file = FS_FileOpen(S("world.sgdat"), FS_ACCESS_WRITE);
-  U32 offset = 0;
-  for(int i = 0; i < WORLD_TILE_TYPE_MAX; i++) {
-    FS_FileWrite(file, &world->tileTypes[i].tag.count, sizeof(S64), offset);
-    offset += sizeof(S64);
-    FS_FileWrite(file, world->tileTypes[i].tag.data, world->tileTypes[i].tag.count, offset);
-    offset += sizeof(U8) * world->tileTypes[i].tag.count;
-    FS_FileWrite(file, &world->tileTypes[i].rotation, sizeof(F32), offset);
-    offset += sizeof(F32);
-  }
-  for(int i = 0; i < WORLD_PROP_TYPE_MAX; i++) {
-    FS_FileWrite(file, &world->propTypes[i].tag.count, sizeof(S64), offset);
-    offset += sizeof(S64);
-    FS_FileWrite(file, world->propTypes[i].tag.data, world->propTypes[i].tag.count, offset);
-    offset += sizeof(U8) * world->propTypes[i].tag.count;
-    FS_FileWrite(file, &world->propTypes[i].scale, sizeof(F32), offset);
-    offset += sizeof(F32);
+  U64 offset = 0;
+
+  for (U32 i = 0; i < WORLD_TILE_TYPE_MAX; i++) {
+		World_Tile *tile = &world->tileTypes[i];
+
+		WRITE(tile->tag.count);
+		WRITEN(tile->tag.data, tile->tag.count);
+		WRITE(tile->rotation);
   }
 
-  FS_FileWrite(file, &world->propCount, sizeof(U32), offset);
-  offset += sizeof(U32);
+  for (U32 i = 0; i < WORLD_PROP_TYPE_MAX; i++) {
+		World_PropType *type = &world->propTypes[i];
 
-  FS_FileWrite(file, world->props, sizeof(World_Prop)*WORLD_PROP_MAX, offset);
-  offset += sizeof(World_Prop)*WORLD_PROP_MAX;
+		WRITE(type->tag.count);
+		WRITEN(type->tag.data, type->tag.count);
+		WRITE(type->scale);
+  }
 
-  FS_FileWrite(file, &world->hitboxCount, sizeof(U32), offset);
-  offset += sizeof(U32);
+	WRITE(world->propCount);
+	WRITEN(world->props, WORLD_PROP_MAX);
 
-  FS_FileWrite(file, world->hitboxes, sizeof(AABB)*WORLD_HITBOX_MAX, offset);
-  offset += sizeof(AABB)*WORLD_HITBOX_MAX;
+	WRITE(world->hitboxCount);
+	WRITEN(world->hitboxes, WORLD_HITBOX_MAX);
 
-  FS_FileWrite(file, world->map, sizeof(U32)*WORLD_MAP_MAX, offset);
-  offset += sizeof(U32)*WORLD_MAP_MAX;
-
-  FS_FileWrite(file, &world->portalCount, sizeof(U32), offset);
-  offset += sizeof(U32);
-
-  FS_FileWrite(file, world->hitboxes, sizeof(World_Portal)*WORLD_PORTAL_MAX, offset);
+	WRITEN(world->map, WORLD_MAP_MAX);
 
+  WRITE(world->portalCount);
+  WRITEN(world->portals, WORLD_PORTAL_MAX);
   FS_FileClose(file);
-  printf("Saved world :)\n");
+
+  printf("--- World Saved ---\n");
 }
 
 void LoadWorld(M_Arena *arena, World *world) {
-  printf("loading world\n");
-  OS_Handle file = FS_FileOpen(S("world.sgdat"), FS_ACCESS_READ);
-  U32 offset = 0;
+	printf("--- Loading World ---\n");
 
-  world->tileTypes = M_ArenaPush(arena, World_Tile, .count=WORLD_TILE_TYPE_MAX);
-  for(int i = 0; i < WORLD_TILE_TYPE_MAX; i++) {
-    FS_FileRead(file, &world->tileTypes[i].tag.count, sizeof(S64), offset);
-    offset += sizeof(S64);
-    world->tileTypes[i].tag.data = M_ArenaPush(arena, U8, .count=world->tileTypes[i].tag.count);
-    FS_FileRead(file, world->tileTypes[i].tag.data, world->tileTypes[i].tag.count, offset);
-    offset += sizeof(U8) * world->tileTypes[i].tag.count;
-    FS_FileRead(file, &world->tileTypes[i].rotation, sizeof(F32), offset);
-    offset += sizeof(F32);
-  }
-  world->propTypes = M_ArenaPush(arena, World_PropType, .count=WORLD_PROP_TYPE_MAX);
-  for(int i = 0; i < WORLD_PROP_TYPE_MAX; i++) {
-    FS_FileRead(file, &world->propTypes[i].tag.count, sizeof(S64), offset);
-    offset += sizeof(S64);
-    world->propTypes[i].tag.data = M_ArenaPush(arena, U8, .count=world->propTypes[i].tag.count);
-    FS_FileRead(file, world->propTypes[i].tag.data, world->propTypes[i].tag.count, offset);
-    offset += sizeof(U8) * world->propTypes[i].tag.count;
-    FS_FileRead(file, &world->propTypes[i].scale, sizeof(F32), offset);
-    offset += sizeof(F32);
-  }
+	M_TempScope(0, 0) {
+		Str8 data = FS_ReadEntireFile(temp.arena, S("world.sgdat"));
 
-  FS_FileRead(file, &world->propCount, sizeof(U32), offset);
-  offset += sizeof(U32);
+		U8 *base = data.data;
 
-  world->props = M_ArenaPush(arena, World_Prop, .count=WORLD_PROP_MAX);
-  FS_FileRead(file, world->props, sizeof(World_Prop)*WORLD_PROP_MAX, offset);
-  offset += sizeof(World_Prop)*WORLD_PROP_MAX;
+		// Load tile types
+		//
+		world->tileTypes = M_ArenaPush(arena, World_Tile, .count = WORLD_TILE_TYPE_MAX);
+		for (U32 it = 0; it < WORLD_TILE_TYPE_MAX; ++it) {
+			World_Tile *type = &world->tileTypes[it];
 
-  FS_FileRead(file, &world->hitboxCount, sizeof(U32), offset);
-  offset += sizeof(U32);
+			Str8 name;
+			name.count = *(S64 *) base;
+			name.data  = base + 8;
 
-  world->hitboxes = M_ArenaPush(arena, AABB, .count=WORLD_HITBOX_MAX);
-  FS_FileRead(file, world->hitboxes, sizeof(AABB)*WORLD_HITBOX_MAX, offset);
-  offset += sizeof(AABB)*WORLD_HITBOX_MAX;
+			base += 8;
+			base += name.count;
 
-  world->map = M_ArenaPush(arena, U32, .count=WORLD_MAP_MAX);
-  FS_FileRead(file, world->map, sizeof(U32)*WORLD_MAP_MAX, offset);
-  offset += sizeof(U32)*WORLD_MAP_MAX;
+			if (name.count != 0) {
+				// Means we likely got a vaild tag
+				type->tag      = Str8_Copy(arena, name);
+				type->rotation = *(F32 *) base;
+			}
 
-  FS_FileRead(file, &world->portalCount, sizeof(U32), offset);
-  offset += sizeof(U32);
+			base += 4;
+		}
 
-  world->portals = M_ArenaPush(arena, World_Portal, .count=WORLD_PORTAL_MAX);
-  FS_FileRead(file, world->hitboxes, sizeof(World_Portal)*WORLD_PORTAL_MAX, offset);
+		// Load prop types
+		//
+		world->propTypes = M_ArenaPush(arena, World_PropType, .count = WORLD_PROP_TYPE_MAX);
+		for (U32 it = 0; it < WORLD_PROP_TYPE_MAX; ++it) {
+			World_PropType *type = &world->propTypes[it];
 
-  FS_FileClose(file);
-  printf("loaded world\n");
+			Str8 name;
+			name.count = *(S64 *) base;
+			name.data  = base + 8;
+
+			base += 8;
+			base += name.count;
+
+			if (name.count != 0) {
+				type->tag    = Str8_Copy(arena, name);
+				type->scale  = *(F32 *) base;
+			}
+
+			base += 4;
+		}
+
+		// Prop locations
+		{
+			U32 n_props = *(U32 *) base; base += 4;
+			World_Prop *props = (World_Prop *) base;
+
+			world->propCount = n_props;
+			world->props     = M_ArenaPush(arena, World_Prop, .count = WORLD_PROP_MAX);
+
+			M_CopySize(world->props, props, n_props * sizeof(World_Prop));
+
+			base += (WORLD_PROP_MAX * sizeof(World_Prop));
+		}
+
+		// Hitboxes
+		//
+		{
+			U32 n_hitbox = *(U32 *) base; base += 4;
+			AABB *boxes  = (AABB *) base;
+
+			world->hitboxCount = n_hitbox;
+			world->hitboxes    = M_ArenaPush(arena, AABB, .count = WORLD_HITBOX_MAX);
+
+			M_CopySize(world->hitboxes, boxes, n_hitbox * sizeof(AABB));
+
+			base += (WORLD_HITBOX_MAX * sizeof(AABB));
+		}
+
+		// Map
+		//
+		{
+			U32 *__map = (U32 *) base;
+
+			world->map = M_ArenaPush(arena, U32, .count = WORLD_MAP_MAX);
+			M_CopySize(world->map, __map, WORLD_MAP_MAX * sizeof(U32));
+
+			base += (WORLD_MAP_MAX * sizeof(U32));
+		}
+		{
+			U32 n_portals = *(U32 *) base; base += 4;
+			World_Portal *portals  = (World_Portal *) base;
+
+			world->portalCount = n_portals;
+			world->portals    = M_ArenaPush(arena, World_Portal, .count = WORLD_PORTAL_MAX);
+
+			M_CopySize(world->portals, portals, n_portals * sizeof(World_Portal));
+
+			base += (WORLD_PORTAL_MAX * sizeof(World_Portal));
+		}
+
+		if (base != (data.data + data.count)) {
+			printf("--- OFFSET MISMATCH ---\n");
+		}
+
+    printf("loaded world\n");
+
+		printf("  - %d props\n", world->propCount);
+		printf("  - %d hitboxes\n", world->hitboxCount);
+
+		printf("--- Loaded World ---\n");
+	}
 }
 
 void GenerateNavMesh(M_Arena *arena, World *world) {
@@ -187,8 +241,8 @@ void GenerateNavMesh(M_Arena *arena, World *world) {
     U32 x = (i % 96);
     U32 y = (i / 96);
     bool skip = false;
-    for(int hi = 0; hi < world->hitboxCount; hi++) {
-      if(AABB_Point(world->hitboxes[hi], V2F(x, y))) {
+    for(U32 hi = 0; hi < world->hitboxCount; hi++) {
+      if(AABB_Point(world->hitboxes[hi], V2F((F32) x, (F32) y))) {
         skip = true;
         break;
       }
@@ -207,8 +261,8 @@ void GenerateNavMesh(M_Arena *arena, World *world) {
           continue;
         }
         // It's quad for loop time :D
-        for(int hi = 0; hi < world->hitboxCount; hi++) {
-          if(AABB_Point(world->hitboxes[hi], V2F(x+nx, y+ny))) {
+        for(U32 hi = 0; hi < world->hitboxCount; hi++) {
+          if(AABB_Point(world->hitboxes[hi], V2F((F32) (x + nx), (F32) (y + ny)))) {
             skip = true;
             break;
           }
diff --git a/code/game/world.h b/code/game/world.h
index 03e5ba7..32cf62e 100644
--- a/code/game/world.h
+++ b/code/game/world.h
@@ -94,7 +94,7 @@ function void UpdateNPC(F32 delta, NPC *npc, World *world);
 function void UpdateBandit(F32 delta, Bandit *bandit, World *world);
 
 function void LoadWorld(M_Arena *arena, World *world);
-function void SaveWorld(M_Arena *arena, World *world);
+function void SaveWorld(World *world);
 function void GenerateNavMesh(M_Arena *arena, World *world);
 
 #endif  // LD_GAME_WORLD_H_
diff --git a/code/world.sgdat b/code/world.sgdat
index 5788440..804a714 100644
Binary files a/code/world.sgdat and b/code/world.sgdat differ