diff --git a/cicaprojekt/Box.java b/cicaprojekt/Box.java
index e399c56..8789f9f 100644
--- a/cicaprojekt/Box.java
+++ b/cicaprojekt/Box.java
@@ -1,6 +1,6 @@
 package cicaprojekt;
 
-public class Box implements cicaprojekt.Pickable, cicaprojekt.Destroyable
+public class Box implements Pickable, Destroyable
 {
     private int weight = 5;
 
diff --git a/cicaprojekt/Dungeon.java b/cicaprojekt/Dungeon.java
index dd890e7..79a98ea 100644
--- a/cicaprojekt/Dungeon.java
+++ b/cicaprojekt/Dungeon.java
@@ -36,13 +36,13 @@ public class Dungeon {
 
                         case 'Z':
                             Field zpmfield = new Field();
-                            zpmfield.setItemOnTile(new ZPM());
+                            zpmfield.setZPMOnTile(new ZPM());
                             dungeon[y][x] = zpmfield;
                             break;
 
                         case 'B':
                             Field boxfield = new Field();
-                            boxfield.setItemOnTile(new Box());
+                            boxfield.putABox(new Box());
                             dungeon[y][x] = boxfield;
                             break;
 
diff --git a/cicaprojekt/Field.java b/cicaprojekt/Field.java
index 75dfaf5..69161c9 100644
--- a/cicaprojekt/Field.java
+++ b/cicaprojekt/Field.java
@@ -5,27 +5,13 @@ import java.util.Map;
 
 public class Field extends cicaprojekt.Tile
 {
-	public static Map<Direction, Tile> testAdjacentTile = new HashMap<Direction, Tile>();
-	public static Field testField = new Field();
-	private static boolean testAdjTileSet = false;
 	private static int recursionLimit = 0;
 
 
 	public Field() {
-		setItemOnTile(new Box());
-		adjacentTile = testAdjacentTile;
-		setTestAdjacentTile();
+		super();
 	}
 
-	private void setTestAdjacentTile() {
-		if(!testAdjTileSet) {
-			testAdjacentTile.put(Direction.NORTH, Field.testField);
-			testAdjacentTile.put(Direction.EAST, Field.testField);
-			testAdjacentTile.put(Direction.SOUTH, Field.testField);
-			testAdjacentTile.put(Direction.WEST, Field.testField);
-			testAdjTileSet = true;
-		}
-	}
 
 	@Override
 	public void spawnStargate(cicaprojekt.Stargate stargate, Direction direction) {
@@ -34,9 +20,15 @@ public class Field extends cicaprojekt.Tile
 		adjacentTile.get(direction).spawnStargate(stargate, direction);
 	}
 
-	public void onEntry() {
+	public void onEntry(PlayerBase playerBase) {
+		if(boxStack.size() > 0)
+			return;
+		playerBase.setCurrentTile(this);
+		if(zpmOnTile != null)
+			playerBase.pickZPM(this);
 	}
 
-	public void onExit() {
+	public void onExit(PlayerBase playerBase) {
+		return;
 	}
 }
diff --git a/cicaprojekt/Gap.java b/cicaprojekt/Gap.java
index d939ebd..a07d80a 100644
--- a/cicaprojekt/Gap.java
+++ b/cicaprojekt/Gap.java
@@ -2,15 +2,25 @@ package cicaprojekt;
 
 public class Gap extends cicaprojekt.Tile
 {
+	public Gap(){
+		super();
+	}
+	
 	@Override
 	public void spawnStargate(cicaprojekt.Stargate stargate, Direction direction) {
 		adjacentTile.get(direction).spawnStargate(stargate, direction);
 	}
 
-	public void onEntry() {
-		this.removeItemFromTile().destroy();
+	public void onEntry(PlayerBase playerBase) {
+		playerBase.destroy();
 	}
 
-	public void onExit() {
+	public void onExit(PlayerBase playerBase) throws IllegalStateException {
+		throw new IllegalStateException("Hiba! A szakadékból nem jut ki semmi!");
+	}
+	
+	@Override
+	public void putABox(Box box) {
+		box.destroy();
 	}
 }
diff --git a/cicaprojekt/Gate.java b/cicaprojekt/Gate.java
index 009ee67..e64ecdd 100644
--- a/cicaprojekt/Gate.java
+++ b/cicaprojekt/Gate.java
@@ -1,18 +1,29 @@
 package cicaprojekt;
 
-public class Gate extends cicaprojekt.Tile
+public class Gate extends Tile
 {
 	private boolean open = false;
 
-
-	public void spawnStargate(cicaprojekt.Stargate stargate, Direction direction) {
+	public Gate(){
+		super();
+	}
+	
+	public void spawnStargate(Stargate stargate, Direction direction) {
         if(this.open) adjacentTile.get(direction).spawnStargate(stargate, direction);
 	}
 
-	public void onEntry() {
+	public void onEntry(PlayerBase playerBase) {
+		if(open){
+			playerBase.setCurrentTile(this);
+		}
+		else
+			return;
 	}
 
-	public void onExit() {
+	public void onExit(PlayerBase playerBase) throws IllegalStateException {
+		if(!open){
+			throw new IllegalStateException("Hiba! Te hogy kerültél a csukott ajtóba?");
+		}
 	}
 
 	public boolean isOpen() {
diff --git a/cicaprojekt/Player.java b/cicaprojekt/Player.java
index b266db2..9c249f1 100644
--- a/cicaprojekt/Player.java
+++ b/cicaprojekt/Player.java
@@ -1,5 +1,6 @@
 package cicaprojekt;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class Player extends PlayerBase{
@@ -8,20 +9,27 @@ public class Player extends PlayerBase{
 	
 	
 	public Player(Tile startTile, Direction startDirection){
+        zpmContainer = new ArrayList<>();
 		currentTile = startTile;
 		facingDirection = startDirection; /* Be lehetne állítani egy defaultot is, nem tudom, mennyire kéne */
 	}
 
 	public void boxLift() {
-        boxLifted = (Box) currentTile.getAdjacentTile(facingDirection).removeItemFromTile();
+        boxLifted = (Box) currentTile.getAdjacentTile(facingDirection).getABox();
 	}
 
 	public void boxDrop() {
-		currentTile.getAdjacentTile(facingDirection).setItemOnTile(boxLifted);
+		currentTile.getAdjacentTile(facingDirection).putABox(boxLifted);
 		boxLifted = null;
 	}
-	
-	public void shootStargate(Stargate stargate) {
+
+    @Override
+    public void pickZPM(Tile tile)
+    {
+        zpmContainer.add(tile.getZPMFromTile());
+    }
+
+    public void shootStargate(Stargate stargate) {
 		this.currentTile.getAdjacentTile(facingDirection).spawnStargate(stargate, facingDirection);
 	}
 }
diff --git a/cicaprojekt/PlayerBase.java b/cicaprojekt/PlayerBase.java
index e2c3825..29c2f5c 100644
--- a/cicaprojekt/PlayerBase.java
+++ b/cicaprojekt/PlayerBase.java
@@ -6,8 +6,7 @@ public class PlayerBase implements Destroyable{
 	protected Direction facingDirection;
 
 
-	public void destroy() {
-	}
+	public void destroy() {}
 
 	public Tile getCurrentTile() {
 		return currentTile;
@@ -20,10 +19,12 @@ public class PlayerBase implements Destroyable{
 	public void move(Direction direction) {
 		this.setFacingDirection(direction);
 		Tile tile = this.getCurrentTile().getAdjacentTile(direction);
-		tile.onEntry();
+		tile.onEntry(this);
 		setCurrentTile(tile);
 	}
 
+    public void pickZPM(Tile tile) { /* PlayerBase does not collect ZPM modules */ }
+
 	public void rotateLeft() {
 		switch (facingDirection) {
 			case NORTH:
diff --git a/cicaprojekt/Scale.java b/cicaprojekt/Scale.java
index 0dbb4cf..1d3fc49 100644
--- a/cicaprojekt/Scale.java
+++ b/cicaprojekt/Scale.java
@@ -4,7 +4,6 @@ import java.util.Stack;
 
 public class Scale extends Field {
 	private Gate gateConnected;
-	private Stack<Pickable> itemsOnTile;
 	private int threshold;
 	private int weight;
 
@@ -12,32 +11,38 @@ public class Scale extends Field {
 	public Scale(Gate gate, int threshold){
 		gateConnected = gate;
 		this.threshold = threshold;
-		itemsOnTile = new Stack<Pickable>();
+		boxStack = new Stack<Box>();
 	}
 	
-	public void onEntry() {
+	@Override
+	public void onEntry(PlayerBase playerBase) {
 		gateConnected.setOpen(true);
 	}
 	
-	public void onExit() {
+	@Override
+	public void onExit(PlayerBase playerBase) {
 		gateConnected.setOpen(false);
 	}
 
 	@Override
-	public Pickable removeItemFromTile() {
-		weight -= itemsOnTile.peek().weight();
+	public Box getABox() {
+		if(boxStack.isEmpty())
+			return null;
+		weight -= boxStack.peek().weight();
 		stackChanged();
-		return itemsOnTile.pop();
+		return boxStack.pop();
 	}
 
 	@Override
-	public void setItemOnTile(Pickable item) {
-		itemsOnTile.push(item);
-		weight += item.weight();
+	public void putABox(Box box) {
+		if(box == null)
+			return;
+		boxStack.push(box);
+		weight += box.weight();
 		stackChanged();
 	}
 
-	public void spawnStargate(cicaprojekt.Stargate stargate, Direction direction) {
+	public void spawnStargate(Stargate stargate, Direction direction) {
 		adjacentTile.get(direction).spawnStargate(stargate, direction);
 	}
 
diff --git a/cicaprojekt/Stargate.java b/cicaprojekt/Stargate.java
index f7e7bbd..1bb37d0 100644
--- a/cicaprojekt/Stargate.java
+++ b/cicaprojekt/Stargate.java
@@ -2,24 +2,32 @@ package cicaprojekt;
 
 public class Stargate {
 	private boolean isSpawned;
-	
+
 	public static final Stargate yellowStargate = new Stargate();
 	public static final Stargate blueStargate = new Stargate();
+	public static final Stargate redStargate = new Stargate();
+	public static final Stargate greenStargate = new Stargate();
 	public /*final*/ Stargate other; //TODO find better ways to do this
 	
-	private cicaprojekt.Wall currentWall;
+	private Wall currentWall;
 
 
+	private Stargate() {
+		isSpawned = false;
+	}
+
 	public static void init() {
 		yellowStargate.other = blueStargate;
 		blueStargate.other = yellowStargate;
+		redStargate.other = greenStargate;
+		greenStargate.other = redStargate;
 	}
 	
-	public cicaprojekt.Wall getCurrentWall() {
+	public Wall getCurrentWall() {
 		return currentWall;
 	}
 	
-	public void setCurrentWall(cicaprojekt.Wall wall) {
+	public void setCurrentWall(Wall wall) {
 		currentWall =  wall;
 	}
 	
diff --git a/cicaprojekt/Tile.java b/cicaprojekt/Tile.java
index 701a630..d8da251 100644
--- a/cicaprojekt/Tile.java
+++ b/cicaprojekt/Tile.java
@@ -2,20 +2,16 @@ package cicaprojekt;
 
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Stack;
 
 public abstract class Tile {
 	protected Map<Direction, Tile> adjacentTile;
-	private Pickable itemOnTile;
+	protected ZPM zpmOnTile;
+	protected Stack<Box> boxStack;
 	
 	
 	public Tile(){
 		adjacentTile = new HashMap<Direction, Tile>();
-
-		adjacentTile.put(Direction.NORTH, Field.testField);
-		adjacentTile.put(Direction.EAST, Field.testField);
-		adjacentTile.put(Direction.SOUTH, Field.testField);
-		adjacentTile.put(Direction.WEST, Field.testField);
-		itemOnTile = new Box();
 	}
 	
 	public Tile getAdjacentTile(Direction direction) {
@@ -23,20 +19,34 @@ public abstract class Tile {
 	}
 
 	public void setAdajacentTile(Tile newTile, Direction direction) {
+		adjacentTile.put(direction, newTile);
 	}
 
 	public abstract void spawnStargate(Stargate stargate, Direction direction);
 	
-	public abstract void onEntry();
+	public abstract void onEntry(PlayerBase playerBase);
 	
-	public abstract void onExit();
+	public abstract void onExit(PlayerBase playerBase);
 	
-	public Pickable removeItemFromTile() {
-		Pickable item = itemOnTile;
-		return item;
+	public void setZPMOnTile(ZPM zpm) {
+		zpmOnTile = zpm;
 	}
 	
-	public void setItemOnTile(Pickable item) {
-		itemOnTile = item;	
+	public ZPM getZPMFromTile() {
+		ZPM zpm = zpmOnTile;
+		zpmOnTile = null;
+		return zpm;
+	}
+	
+	public void putABox(Box box) {
+		if(box == null)
+			return;
+		boxStack.push(box);
+	}
+	
+	public Box getABox(){
+		if(boxStack.isEmpty())
+			return null;
+		return boxStack.pop();
 	}
 }
diff --git a/cicaprojekt/Wall.java b/cicaprojekt/Wall.java
index 9d1cc89..9dd4949 100644
--- a/cicaprojekt/Wall.java
+++ b/cicaprojekt/Wall.java
@@ -3,6 +3,9 @@ package cicaprojekt;
 public class Wall extends Tile {
 	private Stargate sg;
 
+	public Wall(){
+		super();
+	}
 	
 	public void spawnStargate(Stargate stargate, Direction direction) {
 		if(sg == null)
@@ -11,13 +14,20 @@ public class Wall extends Tile {
 			return;
 	}
 
-	public void clearStargate(){
-		sg = null;	
+	public void clearStargate() {
+		sg = null;		
 	}
 	
-	public void onEntry() {
+	public void onEntry(PlayerBase playerBase) {
+		if(sg == null) {
+			return;
+		}
+		else {
+			sg.teleport(playerBase.facingDirection);
+		}
 	}
 
-	public void onExit() {
+	public void onExit(PlayerBase playerBase) throws IllegalStateException {
+		throw new IllegalStateException("Hiba! Te hogy kerültél a falba?");
 	}
 }
diff --git a/exampledungeon.dungeon b/exampledungeon.dungeon
index 81e7b90..6c33bed 100644
--- a/exampledungeon.dungeon
+++ b/exampledungeon.dungeon
@@ -5,3 +5,5 @@ W O B S W
 W W G W W
 W F Z F W
 W W W W W
+
+1-3-2-2-5