diff --git a/WarmlyShip/WarmlyShip/AbstractMap.cs b/WarmlyShip/WarmlyShip/AbstractMap.cs
index c8cbac6..44feb16 100644
--- a/WarmlyShip/WarmlyShip/AbstractMap.cs
+++ b/WarmlyShip/WarmlyShip/AbstractMap.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace WarmlyShip
 {
-	internal abstract class AbstractMap
+	internal abstract class AbstractMap : IEquatable<AbstractMap>
 	{
 		private IDrawningObject _drawningObject = null;
 
@@ -117,5 +117,26 @@ namespace WarmlyShip
 		protected abstract void GenerateMap();
 		protected abstract void DrawRoadPart(Graphics g, int i, int j);
 		protected abstract void DrawBarrierPart(Graphics g, int i, int j);
+
+		public bool Equals(AbstractMap? other)
+		{
+			if (other == null || _map != other._map || _width != other._width ||
+				_size_x != other._size_x || _size_y != other._size_y || _height != other._height ||
+				GetType() != other.GetType() || _map.GetLength(0) != other._map.GetLength(0) || _map.GetLength(1) != other._map.GetLength(1))
+			{
+				return false;
+			}
+			for (int i = 0; i < _map.GetLength(0); i++)
+			{
+				for (int j = 0; j < _map.GetLength(1); j++)
+				{
+					if (_map[i, j] != other._map[i, j])
+					{
+						return false;
+					}
+				}
+			}
+			return true;
+		}
 	}
 }