diff --git a/lihzahrd/fileutils/filereader.py b/lihzahrd/fileutils/filereader.py
index d25dd75..d907c80 100644
--- a/lihzahrd/fileutils/filereader.py
+++ b/lihzahrd/fileutils/filereader.py
@@ -57,18 +57,21 @@ class FileReader:
         left, right, top, bottom = struct.unpack("iiii", self.file.read(16))
         return Rect(left, right, top, bottom)
 
-    def leb128(self) -> int:
-        byte = self.uint1()
-        while byte & 0b1000_0000:
-            byte = byte & 0b0111_1111
-            byte = byte << 7
-            byte = byte | self.uint1()
-        # TODO
-        raise NotImplementedError("TODO")
+    def uleb128(self) -> int:
+        times = 0
+        value = 0
+        more = True
+        while more:
+            byte = self.uint1()
+            shifted_byte = (byte & 0b0111_1111) << (7 * times)
+            times += 1
+            value += shifted_byte
+            more = bool(byte & 0b1000_0000)
+        return value
 
     def string(self, size=None) -> str:
         if size is None:
-            size = self.leb128()
+            size = self.uleb128()
         return str(self.file.read(size), encoding="latin1")
 
     def uuid(self) -> uuid.UUID:
diff --git a/lihzahrd/world.py b/lihzahrd/world.py
index 1a10cf4..350b422 100644
--- a/lihzahrd/world.py
+++ b/lihzahrd/world.py
@@ -547,7 +547,7 @@ class World:
         unknown_world_header_data = f.read_until(pointers.world_tiles)
 
         # Tiles
-        #`tm = cls._create_tilematrix(f, world_size, tileframeimportant)
+        tm = cls._create_tilematrix(f, world_size, tileframeimportant)
 
         unknown_world_tiles_data = f.read_until(pointers.chests)
 
@@ -577,7 +577,7 @@ class World:
                           name=chest_name,
                           contents=chest_contents)
             chests.append(chest)
-            #`tm[chest.position].extra = chest
+            tm[chest.position].extra = chest
 
         unknown_chests_data = f.read_until(pointers.signs)
 
@@ -590,7 +590,7 @@ class World:
             sign = Sign(text=f.string(),
                         position=Coordinates(f.int4(), f.int4()))
             signs.append(sign)
-            #`tm[sign.position].extra = sign
+            tm[sign.position].extra = sign
 
         unknown_signs_data = f.read_until(pointers.npcs)
 
diff --git a/setup.py b/setup.py
index 966162f..743ba18 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@ with open("README.md", "r") as f:
 
 setuptools.setup(
     name="lihzahrd",
-    version="1.0b5",
+    version="1.0b6",
     author="Stefano Pigozzi",
     author_email="ste.pigozzi@gmail.com",
     description="A Terraria world parser in Python",