diff --git a/Liner/Liner/AbstractMap.cs b/Liner/Liner/AbstractMap.cs
index faa99df..21ceac2 100644
--- a/Liner/Liner/AbstractMap.cs
+++ b/Liner/Liner/AbstractMap.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace Liner
 {
-    internal abstract class AbstractMap
+    internal abstract class AbstractMap : IEquatable<AbstractMap>
     {
         private IDrawingObject _drawningObject = null;
         protected int[,] _map = null;
@@ -139,5 +139,45 @@ namespace Liner
         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) 
+            {
+                return false;
+            }
+            var otherMap = other as AbstractMap;
+            if(otherMap == null) 
+            {
+                return false;
+            }
+            if(_width != otherMap._width) 
+            {
+                return false;
+            }
+            if(_height != otherMap._height) 
+            {
+                return false;
+            }
+            if (_size_x != otherMap._size_x) 
+            {
+                return false;
+            }
+            if (_size_y != otherMap._size_y)
+            {
+                return false;
+            }
+            for(int i = 0; i < _map.GetLength(0); i++) 
+            {
+                for (int j = 0; j < _map.GetLength(1); j++)
+                {
+                    if (_map[i, j] != otherMap._map[i, j]) 
+                    {
+                        return false;
+                    }
+                }
+            }
+            return true;
+        }
     }
 }