diff --git a/source/Trek-12/Tests/GameTests.cs b/source/Trek-12/Tests/GameTests.cs
index 066aeff..84ff92e 100644
--- a/source/Trek-12/Tests/GameTests.cs
+++ b/source/Trek-12/Tests/GameTests.cs
@@ -243,4 +243,68 @@ public class GameTests
 
         Assert.True(isChecked);
     }
+
+    [Fact]
+    public void IsPlaceOperationCorrect()
+    {
+        var player = new Player();
+        var map = new Map("test_background");
+
+        _game.InitializeGame(map, player);
+        Assert.NotNull(_game.GameRules);
+        _game.UsedMap.Boards[0].Value = 1;
+        _game.UsedMap.Boards[1].Value = 2;
+
+        var methodInfo = typeof(Game).GetMethod("PlaceResult", BindingFlags.NonPublic | BindingFlags.Instance);
+        Assert.NotNull(methodInfo);
+
+        var cell = new Cell(0, 2);
+        cell.Value = 3;
+        methodInfo.Invoke(_game, new object[] { cell, 3 });
+
+        Assert.Equal(3, _game.UsedMap.Boards[2].Value);
+    }
+
+    [Fact]
+    public void IsHandlePlayerChoice_Handling()
+    {
+        var player = new Player();
+        var map = new Map("test_background");
+
+        _game.InitializeGame(map, player);
+
+        var cell = new Cell(0, 1);
+        _game.UsedMap.Boards[0].Value = 1;
+        bool result = _game.HandlePlayerChoice(cell, 1);
+        Assert.True(result);
+    }
+
+    [Fact]
+    public void IsHandlePlayerChoice_InvalidCell()
+    {
+        var player = new Player();
+        var map = new Map("test_background");
+
+        _game.InitializeGame(map, player);
+
+        var cell = new Cell(0, 7);
+        cell.Value = 1;
+        bool result = _game.HandlePlayerChoice(cell, 1);
+        Assert.False(result);
+    }
+
+    [Fact]
+    public void IsHandlePlayerChoice_InvalidPlace()
+    {
+        var player = new Player();
+        var map = new Map("test_background");
+
+        _game.InitializeGame(map, player);
+
+        var cell = new Cell(0, 0);
+        cell.Value = 1;
+        var othercell = new Cell(3, 3);
+        bool result = _game.HandlePlayerChoice(othercell, 1);
+        Assert.False(result);
+    }
 }