diff --git a/data/maps/rooms_background.gif b/data/maps/rooms_background.gif
index 8ac0b1a..6afc014 100644
Binary files a/data/maps/rooms_background.gif and b/data/maps/rooms_background.gif differ
diff --git a/data/maps/rooms_foreground.gif b/data/maps/rooms_foreground.gif
index b63b151..badde0c 100644
Binary files a/data/maps/rooms_foreground.gif and b/data/maps/rooms_foreground.gif differ
diff --git a/data/maps/rooms_items.gif b/data/maps/rooms_items.gif
index 0050584..97a2a33 100644
Binary files a/data/maps/rooms_items.gif and b/data/maps/rooms_items.gif differ
diff --git a/data/modules/ia/hero.lua b/data/modules/ia/hero.lua
index ea83f34..c887ea2 100644
--- a/data/modules/ia/hero.lua
+++ b/data/modules/ia/hero.lua
@@ -267,6 +267,7 @@ end
 
 function ia.hero_reset()
     sprites.hero.state = templates.ALIVE
+    sprites.hero.invisible = nil
     sprites.hero.lives = 4
     sprites.hero.surf = surf.load("gfx/morcus.gif")
     sprites.hero.animation = "hero_stand"
diff --git a/data/modules/ia/rata.lua b/data/modules/ia/rata.lua
index 48851fe..b121b46 100644
--- a/data/modules/ia/rata.lua
+++ b/data/modules/ia/rata.lua
@@ -13,14 +13,14 @@ function ia.update_rata(spr)
 
     if spr.flipped then
         local tx, ty = (spr.pos.x-1)>>3, (spr.pos.y+7)>>3
-        if map.tile(tx,ty) < 16 and map.tile(tx,ty-1) < 16 and map.tile(tx,ty+1) > 0 then
+        if map.tile(tx,ty) < 16 and map.tile(tx,ty+1) > 0 then
             spr.pos.x = spr.pos.x - 1
         else
             spr.flipped = not spr.flipped
         end
     else
         local tx, ty = (spr.pos.x+9)>>3, (spr.pos.y+7)>>3
-        if map.tile(tx,ty) < 16 and map.tile(tx,ty-1) < 16 and map.tile(tx,ty+1) > 0 then
+        if map.tile(tx,ty) < 16 and map.tile(tx,ty+1) > 0 then
             spr.pos.x = spr.pos.x + 1
         else
             spr.flipped = not spr.flipped