diff --git a/Include/Core/Types/Tile.hpp b/Include/Core/Types/Tile.hpp
index e2be106..79dacd8 100644
--- a/Include/Core/Types/Tile.hpp
+++ b/Include/Core/Types/Tile.hpp
@@ -63,6 +63,12 @@ class Tile
         bool IsPositive() const;
         bool operator==(const Tile& T) const;
         bool operator!=(const Tile& T) const;
+
+        Tile operator+(const Tile& T) const;
+        Tile operator-(const Tile& T) const;
+        Tile& operator+=(const Tile& T);
+        Tile& operator-=(const Tile& T);
+
         friend std::ostream& operator<<(std::ostream& OS, const Tile& T);
         ~Tile();
 };
diff --git a/Library/libAlpacaLibrary.a b/Library/libAlpacaLibrary.a
index 8d08047..7c6788f 100644
Binary files a/Library/libAlpacaLibrary.a and b/Library/libAlpacaLibrary.a differ