diff --git a/JetBrainsMono-Regular.ttf b/JetBrainsMono-Regular.ttf
new file mode 100644
index 0000000..7db854f
Binary files /dev/null and b/JetBrainsMono-Regular.ttf differ
diff --git a/conf.lua b/conf.lua
index a8060fe..312cc71 100644
--- a/conf.lua
+++ b/conf.lua
@@ -1,7 +1,7 @@
 function love.conf(t)
   package.path = package.path..";./?.lua"
-  GAME_WIDTH = 512
-  GAME_HEIGHT = 288
+  GAME_WIDTH = 416
+  GAME_HEIGHT = 240
   scale = 2 --scale multiplier
   t.version = "11.3"
   t.window.width = GAME_WIDTH * scale
diff --git a/draw.lua b/draw.lua
index 88f46b3..21b9ad3 100644
--- a/draw.lua
+++ b/draw.lua
@@ -1,7 +1,25 @@
 function love.draw()
-  if tiles [selected_tile].texture then
-    love.graphics.draw(tiles[selected_tile].texture, 0, 0)
-  end
+  love.graphics.push()
+  love.graphics.scale(scale)
+  x = 0
+  y = 0
   for i = 1, SCREEN_LEN, 1 do
+    current_tile = selected_screen:sub(i, i)
+    tile_id = 0
+    for i, v in ipairs(tiles_char) do
+      if v == current_tile then tile_id = i break end
+    end
+    if tiles[tile_id] then
+      love.graphics.draw(tiles[tile_id], x, y)
+    end
+    x = x + 16
+    if x > 16 * 25 then
+      x = 0
+      y = y + 16
+    end
   end
+  --gui
+  love.graphics.pop()
+  love.graphics.setColor(0.8, 0.8, 0.8, 1)
+  love.graphics.print(tiles_char[selected_tile], 2, 0)
 end
diff --git a/keyboard.lua b/keyboard.lua
index baf9f4c..00495a8 100644
--- a/keyboard.lua
+++ b/keyboard.lua
@@ -2,10 +2,6 @@ function update_keyboard()
   --get keys inputs
   --debug key
   if love.keyboard.isDown("d") then debug.debug() end
-  --mute
-  local buffer = k_m
-  k_m = love.keyboard.isDown("m")
-  if k_m and not buffer then sfx = not sfx end
   --swap selected object
   local buffer = k_tab
   k_tab = love.keyboard.isScancodeDown("tab")
diff --git a/load.lua b/load.lua
index 7884f99..7f5986d 100644
--- a/load.lua
+++ b/load.lua
@@ -4,3 +4,8 @@ love.graphics.setDefaultFilter("nearest", "nearest")
 selected_screen = "000000000000000000000000000000000000000000000000000000......................0000......................0000......................0000......................0000......................0000......................0000......................0000......................0000......................0000......................0000......................000000000000000000000000000000000000000000000000000000"
 SCREEN_LEN = 390
 path = "../platformer/"
+
+--font
+love.graphics.setNewFont("JetBrainsMono-Regular.ttf", 24)
+
+mouse_mode = 0
diff --git a/mouse.lua b/mouse.lua
index f925867..24a5805 100644
--- a/mouse.lua
+++ b/mouse.lua
@@ -2,30 +2,32 @@ function update_mouse()
   mouse_x, mouse_y = love.mouse.getX(), love.mouse.getY() --mouse position
   mouse_x = math.floor(mouse_x / scale)
   mouse_y = math.floor(mouse_y / scale)
-  clip_mouse_x = mouse_x - mouse_x % grid_spacing
-  clip_mouse_y = mouse_y - mouse_y % grid_spacing
+  clip_mouse_x = mouse_x - mouse_x % 16
+  clip_mouse_y = mouse_y - mouse_y % 16
   --edition mode
   mouse_mode = 0
-  if (clip_mouse_x >= bounds.min_x) and (clip_mouse_x <= bounds.max_x) and
-     (clip_mouse_y >= bounds.min_y) and (clip_mouse_y <= bounds.max_y) then
-    if love.mouse.isDown(1) then
-      mouse_mode = 1
-    elseif love.mouse.isDown(2) then
-      mouse_mode = -1
-    end
+  if love.mouse.isDown(1) then
+    mouse_mode = 1
+  elseif love.mouse.isDown(2) then
+    mouse_mode = -1
   end
   if mouse_mode == 0 then buffer_x, buffer_y = 0, 0 end
   --add to layer if
   if mouse_mode == 1 and (clip_mouse_x ~= buffer_x or clip_mouse_y ~= buffer_y) then
-    add_to_layer(layer_selected)
-    if sfx then s_place:stop() s_place:play() end
+    set_tile(tiles_char[selected_tile])
     buffer_x = clip_mouse_x
     buffer_y = clip_mouse_y
   end
   --delete of layer if
   if mouse_mode == -1 and (clip_mouse_x ~= buffer_x or clip_mouse_y ~= buffer_y) then
-    rem_of_layer(layer_selected)
+    set_tile('.')
     buffer_x = clip_mouse_x
     buffer_y = clip_mouse_y
   end
 end
+
+function set_tile(char)
+  pos = clip_mouse_x / 16 + 1 + clip_mouse_y / 16 * 26
+  selected_screen = selected_screen:sub(1, pos - 1)..char..
+  selected_screen:sub(pos + 1, -1)
+end
diff --git a/tiles.lua b/tiles.lua
index a690e17..6a14606 100644
--- a/tiles.lua
+++ b/tiles.lua
@@ -1,9 +1,10 @@
 local img_path = "img/"
 
 tiles = {
-  {id = '0', texture = love.graphics.newImage(img_path.."ground.png")},
-  {id = '^', texture = love.graphics.newImage(img_path.."elevator1.png")},
-  {id = '.', texture = nil},
+  love.graphics.newImage(img_path.."ground.png"),
+  love.graphics.newImage(img_path.."elevator1.png"),
+  false,
 }
+tiles_char = { '0', '^', '.' }
 
 selected_tile = 1
diff --git a/update.lua b/update.lua
index ae4bead..b076b70 100644
--- a/update.lua
+++ b/update.lua
@@ -1,3 +1,4 @@
 function love.update(dt)
   update_keyboard()
+  update_mouse()
 end