diff --git a/res/img/gui.png b/res/img/gui.png
index 890576a..f0b389e 100644
Binary files a/res/img/gui.png and b/res/img/gui.png differ
diff --git a/res/img/gui.xcf b/res/img/gui.xcf
index 04bd2b5..4f1f61f 100644
Binary files a/res/img/gui.xcf and b/res/img/gui.xcf differ
diff --git a/src/mightypork/gamecore/util/math/algo/pathfinding/PathFinder.java b/src/mightypork/gamecore/util/math/algo/pathfinding/PathFinder.java
index afb5ed8..eb9eb86 100644
--- a/src/mightypork/gamecore/util/math/algo/pathfinding/PathFinder.java
+++ b/src/mightypork/gamecore/util/math/algo/pathfinding/PathFinder.java
@@ -232,7 +232,7 @@ public abstract class PathFinder {
 	 * @param pos tile pos
 	 * @return true if the tile is walkable
 	 */
-	protected abstract boolean isAccessible(Coord pos);
+	public abstract boolean isAccessible(Coord pos);
 	
 	
 	/**
diff --git a/src/mightypork/rogue/Const.java b/src/mightypork/rogue/Const.java
index 47d383d..05a91f7 100644
--- a/src/mightypork/rogue/Const.java
+++ b/src/mightypork/rogue/Const.java
@@ -9,7 +9,7 @@ package mightypork.rogue;
 public final class Const {
 	
 	// STRINGS
-	public static final int VERSION = 2;
+	public static final int VERSION = 3;
 	
 	public static final String APP_NAME = "Rogue";
 	public static final String TITLEBAR = APP_NAME + " v." + VERSION;
diff --git a/src/mightypork/rogue/Res.java b/src/mightypork/rogue/Res.java
index 6a9a647..7e7dd83 100644
--- a/src/mightypork/rogue/Res.java
+++ b/src/mightypork/rogue/Res.java
@@ -94,11 +94,13 @@ public final class Res {
 		textures.add("nav.button.fg.eat", grid.makeQuad(0, 6));
 		textures.add("nav.button.fg.inventory", grid.makeQuad(1, 6));
 		textures.add("nav.button.fg.attack", grid.makeQuad(2, 6));
-		textures.add("nav.button.fg.options", grid.makeQuad(3, 6));
+		textures.add("nav.button.fg.menu", grid.makeQuad(3, 6));
 		textures.add("nav.button.fg.help", grid.makeQuad(4, 6));
 		textures.add("nav.button.fg.map", grid.makeQuad(5, 6));
 		textures.add("nav.button.fg.pause", grid.makeQuad(6, 6));
 		textures.add("nav.button.fg.magnify", grid.makeQuad(7, 6));
+		textures.add("nav.button.fg.save", grid.makeQuad(7, 5));
+		textures.add("nav.button.fg.load", grid.makeQuad(6, 5));
 		
 		textures.add("inv.slot.base", grid.makeQuad(0, 5));
 		textures.add("inv.slot.selected", grid.makeQuad(1, 5));
diff --git a/src/mightypork/rogue/screens/game/HudLayer.java b/src/mightypork/rogue/screens/game/HudLayer.java
index 39b1492..1d7d33e 100644
--- a/src/mightypork/rogue/screens/game/HudLayer.java
+++ b/src/mightypork/rogue/screens/game/HudLayer.java
@@ -34,7 +34,7 @@ public class HudLayer extends ScreenLayer {
 		}
 	};
 	
-	protected Minimap mm;
+	protected Minimap miniMap;
 	
 	private final ScreenGame gameScreen;
 	
@@ -70,9 +70,9 @@ public class HudLayer extends ScreenLayer {
 	
 	private void buildMinimap()
 	{
-		mm = new Minimap();
-		mm.setRect(root.shrink(root.width().perc(5), root.height().perc(15)));
-		root.add(mm);
+		miniMap = new Minimap();
+		miniMap.setRect(root.shrink(root.width().perc(5), root.height().perc(15)));
+		root.add(miniMap);
 	}
 	
 	
@@ -130,12 +130,22 @@ public class HudLayer extends ScreenLayer {
 		// TODO actions
 		//nav.addLeft(new NavButton(Res.txq("nav.button.fg.options")));
 		//nav.addLeft(new NavButton(Res.txq("nav.button.fg.help")));
+
+		nav.addLeft(btn = new NavButton(Res.txq("nav.button.fg.menu")));
+		btn.setAction(gameScreen.actionMenu);
+		
+		nav.addLeft(btn = new NavButton(Res.txq("nav.button.fg.save")));
+		btn.setAction(gameScreen.actionSave);
+		
+		nav.addLeft(btn = new NavButton(Res.txq("nav.button.fg.load")));
+		btn.setAction(gameScreen.actionLoad);
 		
 		nav.addLeft(btn = new NavButton(Res.txq("nav.button.fg.map")));
 		btn.setAction(gameScreen.actionToggleMinimap);
 		
 		nav.addLeft(btn = new NavButton(Res.txq("nav.button.fg.magnify")));
 		btn.setAction(gameScreen.actionToggleZoom);
+		
 	}
 	
 	
diff --git a/src/mightypork/rogue/screens/game/InvLayer.java b/src/mightypork/rogue/screens/game/InvLayer.java
index 554284c..238d027 100644
--- a/src/mightypork/rogue/screens/game/InvLayer.java
+++ b/src/mightypork/rogue/screens/game/InvLayer.java
@@ -139,8 +139,16 @@ public class InvLayer extends ScreenLayer {
 		gl.put(txp2, pos, 0, 1, 1);
 		txp2.setPaddingHPerc(0, 25);
 		
-		bindKey(new KeyStroke(Keys.ESCAPE), screen.actionToggleInv);
-		// TODO needs some rewrite of keys system
+		bindKey(new KeyStroke(Keys.ESCAPE), new Runnable() {
+			
+			@Override
+			public void run()
+			{
+				if(isEnabled()) {
+					screen.actionToggleInv.run();
+				}
+			}
+		});
 		
 		bindKey(new KeyStroke(Keys.E), new Runnable() {
 			
diff --git a/src/mightypork/rogue/screens/game/ScreenGame.java b/src/mightypork/rogue/screens/game/ScreenGame.java
index ded51cb..b0a1a81 100644
--- a/src/mightypork/rogue/screens/game/ScreenGame.java
+++ b/src/mightypork/rogue/screens/game/ScreenGame.java
@@ -14,6 +14,8 @@ import mightypork.gamecore.input.Keys;
 import mightypork.gamecore.logging.Log;
 import mightypork.gamecore.util.math.Calc;
 import mightypork.rogue.Config;
+import mightypork.rogue.GameStateManager.GameState;
+import mightypork.rogue.events.GameStateRequest;
 import mightypork.rogue.world.PlayerFacade;
 import mightypork.rogue.world.WorldProvider;
 import mightypork.rogue.world.events.WorldPauseRequest;
@@ -66,7 +68,7 @@ public class ScreenGame extends LayeredScreen {
 		@Override
 		public void execute()
 		{
-			hudLayer.mm.setVisible(!hudLayer.mm.isVisible());
+			hudLayer.miniMap.setVisible(!hudLayer.miniMap.isVisible());
 		}
 	};
 	
@@ -103,7 +105,7 @@ public class ScreenGame extends LayeredScreen {
 		}
 	};
 
-	public Action actionRestore = new Action() {
+	public Action actionLoad = new Action() {
 		
 		@Override
 		public void execute()
@@ -119,7 +121,17 @@ public class ScreenGame extends LayeredScreen {
 			}
 		}
 	};
-	
+
+	public Action actionMenu = new Action() {
+		
+		@Override
+		public void execute()
+		{
+			// TODO ask to save
+			
+			getEventBus().send(new GameStateRequest(GameState.MAIN_MENU));
+		}
+	};
 	/**
 	 * Set gui state (overlay)
 	 * 
@@ -175,7 +187,7 @@ public class ScreenGame extends LayeredScreen {
 		worldLayer.enable(true);
 		worldLayer.setVisible(true);
 		
-		// TODO temporary here ↓
+		// TODO temporary, remove
 		bindKey(new KeyStroke(Keys.N, Keys.MOD_CONTROL), new Runnable() {
 			
 			@Override
@@ -195,7 +207,9 @@ public class ScreenGame extends LayeredScreen {
 		bindKey(new KeyStroke(Keys.M), actionToggleMinimap);
 		bindKey(new KeyStroke(Keys.Z), actionToggleZoom);
 
-		bindKey(new KeyStroke(Keys.R, Keys.MOD_CONTROL), actionRestore);
+		bindKey(new KeyStroke(Keys.R, Keys.MOD_CONTROL), actionLoad);
+		bindKey(new KeyStroke(Keys.L, Keys.MOD_CONTROL), actionLoad);
+		
 		bindKey(new KeyStroke(Keys.S, Keys.MOD_CONTROL), actionSave);
 		
 		// add as actions - enableables.
@@ -208,7 +222,8 @@ public class ScreenGame extends LayeredScreen {
 		worldActions.add(actionToggleZoom);
 		
 		worldActions.add(actionSave);
-		worldActions.add(actionRestore);
+		worldActions.add(actionLoad);
+		worldActions.add(actionMenu);
 		
 		worldActions.enable(true);
 		
diff --git a/src/mightypork/rogue/screens/select_world/ScreenSelectWorld.java b/src/mightypork/rogue/screens/select_world/ScreenSelectWorld.java
index 638889c..a616c33 100644
--- a/src/mightypork/rogue/screens/select_world/ScreenSelectWorld.java
+++ b/src/mightypork/rogue/screens/select_world/ScreenSelectWorld.java
@@ -35,6 +35,11 @@ public class ScreenSelectWorld extends LayeredScreen {
 	
 	class WorldsLayer extends ScreenLayer {
 		
+		private WorldSlot slot1;
+		private WorldSlot slot2;
+		private WorldSlot slot3;
+
+
 		public WorldsLayer(Screen screen)
 		{
 			super(screen);
@@ -61,18 +66,15 @@ public class ScreenSelectWorld extends LayeredScreen {
 			layout.put(tp = new TextPainter(Res.getFont("thick"), AlignX.CENTER, RGB.YELLOW, "Save slot:"), 0, 0, 1, 1);
 			tp.setPaddingHPerc(0, 20);
 			tp.setShadow(RGB.BLACK_50, tp.height().mul(0.6 / 8D).toVectXY());
+						
+			slot1 = new WorldSlot(root, Paths.SAVE_SLOT_1);
+			layout.put(slot1, 1, 0, 1, 1);
 			
+			slot2 = new WorldSlot(root, Paths.SAVE_SLOT_2);
+			layout.put(slot2, 2, 0, 1, 1);
 			
-			WorldSlot wsl;
-			
-			wsl = new WorldSlot(root, Paths.SAVE_SLOT_1);
-			layout.put(wsl, 1, 0, 1, 1);
-			
-			wsl = new WorldSlot(root, Paths.SAVE_SLOT_2);
-			layout.put(wsl, 2, 0, 1, 1);
-			
-			wsl = new WorldSlot(root, Paths.SAVE_SLOT_3);
-			layout.put(wsl, 3, 0, 1, 1);
+			slot3 = new WorldSlot(root, Paths.SAVE_SLOT_3);
+			layout.put(slot3, 3, 0, 1, 1);
 		}
 		
 		
@@ -82,5 +84,15 @@ public class ScreenSelectWorld extends LayeredScreen {
 			return 2;
 		}
 		
+	
+		@Override
+		protected void onScreenEnter()
+		{
+			super.onScreenEnter();
+			
+			slot1.refresh();
+			slot2.refresh();
+			slot3.refresh();
+		}
 	}
 }
diff --git a/src/mightypork/rogue/world/PlayerControl.java b/src/mightypork/rogue/world/PlayerControl.java
index 8aae2ec..56c0791 100644
--- a/src/mightypork/rogue/world/PlayerControl.java
+++ b/src/mightypork/rogue/world/PlayerControl.java
@@ -87,7 +87,7 @@ public abstract class PlayerControl {
 	
 	public boolean canGo(Step side)
 	{
-		return getLevel().getTile(getPlayer().getCoord().add(side)).isWalkable();
+		return getPlayer().canGoTo(side);
 	}
 	
 	
diff --git a/src/mightypork/rogue/world/PlayerData.java b/src/mightypork/rogue/world/PlayerData.java
index 48b5115..6c4a93e 100644
--- a/src/mightypork/rogue/world/PlayerData.java
+++ b/src/mightypork/rogue/world/PlayerData.java
@@ -33,9 +33,9 @@ public class PlayerData implements IonObjBundled {
 	@Override
 	public void load(IonBundle bundle) throws IOException
 	{
-		eid = bundle.get("eid", eid);
-		level = bundle.get("floor", level);
-		selectedWeapon = bundle.get("weapon", selectedWeapon);
+		eid = bundle.get("eid", -1);
+		level = bundle.get("floor", -1);
+		selectedWeapon = bundle.get("weapon", -1);
 		
 		inventory = bundle.get("inv", inventory);
 	}
diff --git a/src/mightypork/rogue/world/PlayerFacade.java b/src/mightypork/rogue/world/PlayerFacade.java
index 03e8018..02ec7e8 100644
--- a/src/mightypork/rogue/world/PlayerFacade.java
+++ b/src/mightypork/rogue/world/PlayerFacade.java
@@ -366,4 +366,10 @@ public class PlayerFacade {
 	{
 		return world;
 	}
+
+
+	public boolean canGoTo(Step side)
+	{
+		return getEntity().pos.canGoTo(side);
+	}
 }
diff --git a/src/mightypork/rogue/world/World.java b/src/mightypork/rogue/world/World.java
index dfc9232..426a8d4 100644
--- a/src/mightypork/rogue/world/World.java
+++ b/src/mightypork/rogue/world/World.java
@@ -85,7 +85,17 @@ public class World implements DelegatingClient, BusAccess, IonObjBundled, Pausea
 		
 		playerEntity = levels.get(lvl).getEntity(eid);
 		if (playerEntity == null) {
-			throw new RuntimeException("Player entity not found in the world: " + eid + " on floor " + lvl);
+			
+			Log.e("Player entity not found in the world: " + eid + " on floor " + lvl);
+			
+			for(int i=0; i<levels.size(); i++) {
+				Entity ent = levels.get(i).getEntity(eid);
+				if(ent != null) {
+					Log.f3("Player entity was really on floor: "+i);
+				}
+			}
+			
+			throw new RuntimeException();
 		}
 	}
 	
diff --git a/src/mightypork/rogue/world/WorldConsole.java b/src/mightypork/rogue/world/WorldConsole.java
index b120e38..ea6e8eb 100644
--- a/src/mightypork/rogue/world/WorldConsole.java
+++ b/src/mightypork/rogue/world/WorldConsole.java
@@ -129,9 +129,6 @@ public class WorldConsole implements Updateable {
 	public void msgDie(Entity attacker)
 	{
 		addMessage("You've been defeated by a " + attacker.getVisualName() + "!");
-		
-		addMessage("CTRL+M ... main menu");
-		addMessage("CTRL+N ... new game");
 	}
 	
 	
diff --git a/src/mightypork/rogue/world/WorldProvider.java b/src/mightypork/rogue/world/WorldProvider.java
index e4fd04e..d0e02ac 100644
--- a/src/mightypork/rogue/world/WorldProvider.java
+++ b/src/mightypork/rogue/world/WorldProvider.java
@@ -93,23 +93,16 @@ public class WorldProvider extends RootBusNode {
 		if (world == null) {
 			throw new IllegalStateException("Trying to save a NULL world.");
 		}
+		if (file == null) {
+			throw new IllegalStateException("Trying to save world to a NULL file.");
+		}
 		Ion.toFile(file, world);
 	}
 	
 	
 	public void saveWorld() throws IOException
 	{
-		if (world == null) {
-			throw new IllegalStateException("Trying to save a NULL world.");
-		}
-		
-		final File f = world.getSaveFile();
-		
-		if (f == null) {
-			throw new IllegalStateException("Trying to save world to a NULL file.");
-		}
-		
-		Ion.toFile(f, world);
+		saveWorld(world.getSaveFile());
 	}
 	
 	
diff --git a/src/mightypork/rogue/world/entity/Entity.java b/src/mightypork/rogue/world/entity/Entity.java
index f398eec..c9dd093 100644
--- a/src/mightypork/rogue/world/entity/Entity.java
+++ b/src/mightypork/rogue/world/entity/Entity.java
@@ -289,4 +289,13 @@ public abstract class Entity implements IonObjBundled, Updateable, DelegatingCli
 		return modules.values();
 	}
 	
+	
+	public Entity getLastAttacker()
+	{
+		return lastAttacker;
+	}
+	
+	public double getLastAttackTime() {
+		return health.getTimeSinceLastDamage();
+	}
 }
diff --git a/src/mightypork/rogue/world/entity/impl/BossRatAi.java b/src/mightypork/rogue/world/entity/impl/BossRatAi.java
index 8151826..f63c6ca 100644
--- a/src/mightypork/rogue/world/entity/impl/BossRatAi.java
+++ b/src/mightypork/rogue/world/entity/impl/BossRatAi.java
@@ -29,7 +29,7 @@ public class BossRatAi extends GrayRatAi {
 	@Override
 	protected int getAttackStrength()
 	{
-		return Calc.randInt(3, 11);
+		return Calc.randInt(5, 11);
 	}
 	
 	
diff --git a/src/mightypork/rogue/world/entity/impl/EntityBossRat.java b/src/mightypork/rogue/world/entity/impl/EntityBossRat.java
index fd3f7a1..d935ab4 100644
--- a/src/mightypork/rogue/world/entity/impl/EntityBossRat.java
+++ b/src/mightypork/rogue/world/entity/impl/EntityBossRat.java
@@ -63,9 +63,8 @@ public class EntityBossRat extends Entity {
 	@Override
 	public void onKilled()
 	{
-		getWorld().getConsole().addMessage("YOU DEFEATED THE BOSS RAT");
-		getWorld().getConsole().addMessage("CTRL+M ... main menu");
-		getWorld().getConsole().addMessage("CTRL+N ... new game");
+		getWorld().getConsole().addMessage("~~~ YOU DEFEATED THE BOSS RAT ~~~");
+		getWorld().getConsole().addMessage("TODO: outro");
 	}
 	
 	
diff --git a/src/mightypork/rogue/world/entity/impl/EntityBrownRat.java b/src/mightypork/rogue/world/entity/impl/EntityBrownRat.java
index f5b0159..0f71513 100644
--- a/src/mightypork/rogue/world/entity/impl/EntityBrownRat.java
+++ b/src/mightypork/rogue/world/entity/impl/EntityBrownRat.java
@@ -30,8 +30,8 @@ public class EntityBrownRat extends Entity {
 		
 		setDespawnDelay(1);
 		
-		health.setHealthMax(20);
-		health.setHealth(Calc.randInt(12, 20)); // tougher to kill
+		health.setHealthMax(16);
+		health.setHealth(Calc.randInt(10, 16)); // tougher to kill
 		health.setHitCooldownTime(0.35); // a bit longer than gray rat
 	}
 	
diff --git a/src/mightypork/rogue/world/entity/impl/MonsterAi.java b/src/mightypork/rogue/world/entity/impl/MonsterAi.java
index 9a5e627..158ec1b 100644
--- a/src/mightypork/rogue/world/entity/impl/MonsterAi.java
+++ b/src/mightypork/rogue/world/entity/impl/MonsterAi.java
@@ -56,6 +56,12 @@ public class MonsterAi extends EntityModule implements EntityMoveListener {
 		{
 			if (!isIdle()) return;
 			
+			// annoyed by attacking.
+			if(entity.getLastAttackTime() < 0.5) {
+				lookForTarget();
+				return;
+			}
+			
 			if(entity.pos.isMoving()) return;
 			
 			if(Calc.rand.nextInt(10) == 0) {
@@ -176,7 +182,6 @@ public class MonsterAi extends EntityModule implements EntityMoveListener {
 				stepTowardsPrey(prey);
 			}
 		}
-		
 	}
 	
 	
diff --git a/src/mightypork/rogue/world/entity/modules/EntityModulePosition.java b/src/mightypork/rogue/world/entity/modules/EntityModulePosition.java
index c7a421f..c4e5592 100644
--- a/src/mightypork/rogue/world/entity/modules/EntityModulePosition.java
+++ b/src/mightypork/rogue/world/entity/modules/EntityModulePosition.java
@@ -160,6 +160,8 @@ public class EntityModulePosition extends EntityModule {
 	
 	public void addStep(Step step)
 	{
+		if (path.isEmpty() && !canGoTo(step)) return;
+		
 		path.add(step);
 	}
 	
@@ -240,4 +242,10 @@ public class EntityModulePosition extends EntityModule {
 		return isMoving() || !path.isEmpty();
 	}
 	
+	
+	public boolean canGoTo(Step side)
+	{
+		return entity.getPathFinder().isAccessible(getCoord().add(side));
+	}
+	
 }
diff --git a/src/mightypork/rogue/world/item/impl/food/ItemMeat.java b/src/mightypork/rogue/world/item/impl/food/ItemMeat.java
index 9e85eec..ff52066 100644
--- a/src/mightypork/rogue/world/item/impl/food/ItemMeat.java
+++ b/src/mightypork/rogue/world/item/impl/food/ItemMeat.java
@@ -26,7 +26,7 @@ public class ItemMeat extends ItemBaseFood {
 	@Override
 	public int getFoodPoints()
 	{
-		return 3;
+		return 4;
 	}
 	
 	
diff --git a/src/mightypork/rogue/world/item/impl/food/ItemSandwich.java b/src/mightypork/rogue/world/item/impl/food/ItemSandwich.java
index a7927c2..1cf185c 100644
--- a/src/mightypork/rogue/world/item/impl/food/ItemSandwich.java
+++ b/src/mightypork/rogue/world/item/impl/food/ItemSandwich.java
@@ -26,7 +26,7 @@ public class ItemSandwich extends ItemBaseFood {
 	@Override
 	public int getFoodPoints()
 	{
-		return 6;
+		return 8;
 	}
 	
 	
diff --git a/src/mightypork/rogue/world/item/impl/weapons/ItemHammer.java b/src/mightypork/rogue/world/item/impl/weapons/ItemHammer.java
index 680c28b..d727d7b 100644
--- a/src/mightypork/rogue/world/item/impl/weapons/ItemHammer.java
+++ b/src/mightypork/rogue/world/item/impl/weapons/ItemHammer.java
@@ -33,7 +33,7 @@ public class ItemHammer extends ItemBaseWeapon {
 	@Override
 	public int getMaxUses()
 	{
-		return 60;
+		return 100;
 	}
 	
 	
diff --git a/src/mightypork/rogue/world/item/impl/weapons/ItemSword.java b/src/mightypork/rogue/world/item/impl/weapons/ItemSword.java
index 629c0cb..513dd8d 100644
--- a/src/mightypork/rogue/world/item/impl/weapons/ItemSword.java
+++ b/src/mightypork/rogue/world/item/impl/weapons/ItemSword.java
@@ -33,7 +33,7 @@ public class ItemSword extends ItemBaseWeapon {
 	@Override
 	public int getMaxUses()
 	{
-		return 150;
+		return 200;
 	}