diff --git a/data/gfx/rata.gif b/data/gfx/rata.gif
new file mode 100644
index 0000000..94c46d0
Binary files /dev/null and b/data/gfx/rata.gif differ
diff --git a/data/gfx/sprites.gif b/data/gfx/sprites.gif
index 61de319..b793772 100644
Binary files a/data/gfx/sprites.gif and b/data/gfx/sprites.gif differ
diff --git a/data/maps/rooms_foreground.gif b/data/maps/rooms_foreground.gif
index 15740ed..b5893e6 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 4149f4a..10dc6f7 100644
Binary files a/data/maps/rooms_items.gif and b/data/maps/rooms_items.gif differ
diff --git a/data/modules/animations.lua b/data/modules/animations.lua
index 5f81ee7..fd5b18f 100644
--- a/data/modules/animations.lua
+++ b/data/modules/animations.lua
@@ -194,4 +194,14 @@ animations = {
             { frame={x=0,y=0,w=16,h=16}, wait=100 }
         }
     },
+    ["rata"] = {
+        cycle = {1,2,3,4,2},
+        loop = true,
+        frames = {
+            { frame={x=0,y=0,w=9,h=8}, wait=2 },
+            { frame={x=9,y=0,w=9,h=8}, wait=2 },
+            { frame={x=18,y=0,w=9,h=8}, wait=2 },
+            { frame={x=27,y=0,w=9,h=8}, wait=2 }
+        }
+    },
 }
\ No newline at end of file
diff --git a/data/modules/ia/rata.lua b/data/modules/ia/rata.lua
new file mode 100644
index 0000000..f4ff14d
--- /dev/null
+++ b/data/modules/ia/rata.lua
@@ -0,0 +1,28 @@
+
+function ia.update_rata(spr)
+    map.surf(rooms.surf_foreground)
+    if sprites.hero.state == templates.ALIVE then
+        local x1,y1,w1,h1 = util.aabb(spr) -- El meu aabb
+        local x2,y2,w2,h2 = util.aabb(sprites.hero) -- el aabb del heroi
+        -- Si toca al heroi...
+        if util.check_aabb_collision(x1,y1,w1,h1, x2,y2,w2,h2) then
+            sprites.hero.hit()
+        end
+    end
+
+    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
+            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
+            spr.pos.x = spr.pos.x + 1
+        else
+            spr.flipped = not spr.flipped
+        end
+    end
+end
diff --git a/data/modules/items.lua b/data/modules/items.lua
index 4be19a1..2c42335 100644
--- a/data/modules/items.lua
+++ b/data/modules/items.lua
@@ -15,4 +15,5 @@ items = {
     { name="sucubo 50",    label="sucubo50", visual={x=0,  y=64, w=16, h=16} },
     { name="sucubo 75",    label="sucubo75", visual={x=0,  y=64, w=16, h=16} },
     { name="nemesio",      label="nemesio",  visual={x=16, y=80, w=16, h=16} },
+    { name="rata",         label="rata",     visual={x=80, y=48, w=9,  h=8}  },
 }
diff --git a/data/modules/templates.lua b/data/modules/templates.lua
index 9aebf06..32cc6fb 100644
--- a/data/modules/templates.lua
+++ b/data/modules/templates.lua
@@ -176,6 +176,22 @@ function me.create(type, options)
             room = options.room,
             ia = ia.update_nemesio
         }
+    elseif key == "rata" then
+        sprite = {
+            type = key,
+            pos = options.pos,--{ x=100, y=4*12*8+71 },
+            size = { w=9,h=8 },
+            bbo = { left=0, top=5, right=0, bottom=0 },
+            current_frame = 1,
+            current_wait = 1,
+            flipped = options.flipped,
+            surf = surf.load("gfx/rata.gif"),
+            animation = "rata",
+            state = me.ALIVE,
+            enemy = true,
+            room = options.room,
+            ia = ia.update_rata
+        }
     else
         error("Template not recognized")
     end