Added final features for this release. Now only polishing (if needed) remains.

Features: Sacrifice-Node, Maintain-Node, Options for screen type, lightcolor and soundvolume, tied in sound effects, game pause when menu is open, visibly open up gate when opening it.

Scripts/World/Layer.cs

@@ -39,6 +39,16 @@ public partial class Layer : Node3D
 		}
 	}
 
+	public void OpenGate()
+	{
+		isGateOpen = true;
+		Tile gateTile = tiles[gateCoordinate.X, gateCoordinate.Y];
+		if (gateTile.ContentNode != null)
+		{
+			gateTile.ContentNode.Visible = false;
+		}
+	}
+
 	public void SetupLayer(int layerSize, int level, Dictionary<string, MeshInstance3D> tileMeshes, Vector2I collapseOrigin)
 	{
 		this.layerSize = layerSize;

Scripts/World/World.cs

@@ -98,6 +98,13 @@ public partial class World : Node3D
 
 	public override void _Process(double delta)
 	{
+		UpdateGameLoop(delta);
+	}
+
+	public void UpdateGameLoop(double delta)
+	{
+		if (isPaused) return;
+
 		survival.Update(delta);
 		if (!canMove) return;
 
@@ -110,6 +117,25 @@ public partial class World : Node3D
 		}
 	}
 
+	public void RefreshVisibleLayer()
+	{
+		ShowLayer(visibleLayer);
+	}
+
+	public void OpenGate(int layerIndex)
+	{
+		if (layerIndex < 0 || layerIndex >= map.Length) return;
+
+		Layer layer = map[layerIndex];
+		layer.OpenGate();
+		Pathfinding.UpdateGatePoint(layerIndex, true);
+
+		if (layerIndex == visibleLayer)
+		{
+			RefreshVisibleLayer();
+		}
+	}
+
 	private void SpawnDefaultRobot()
 	{
 		Robot robot = ResourceLoader.LoadRobotPrefab().Instantiate<Robot>();
@@ -184,6 +210,10 @@ public partial class World : Node3D
 			for (int y = 0; y < layerSize; y++)
 			{
 				Tile tile = layer.tiles[x, y];
+				if (layer.isGateOpen && tile.collapsedMesh == "gate")
+				{
+					continue;
+				}
 				result.Add(new TileRenderData
 				{
 					Tile = tile,