diff --git a/.gitignore b/.gitignore
index ac7cff2..eeb6598 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 src/img/*.png
+.luarc.json
diff --git a/justfile b/justfile
index 1ca5b64..cde05dd 100644
--- a/justfile
+++ b/justfile
@@ -10,7 +10,7 @@ simu: build
 
 cook-assets:
     @(which aseprite > /dev/null) || (echo "Missing aseprite program"; exit 1)
-    tup
+    -tup
 
 setup:
     tools/gen-luarc.nu
diff --git a/src/img/Tupfile b/src/img/Tupfile
index 04c14dc..766965e 100644
--- a/src/img/Tupfile
+++ b/src/img/Tupfile
@@ -1,2 +1,2 @@
-: level_01.ase |> aseprite --batch --export-tileset %f --sheet %o |> %B-table-32-32.png
+: level_01.ase |> aseprite --batch --export-tileset %f --sheet %o |> %B-table-16-16.png
 : player.ase |> aseprite --batch %f --save-as %o |> %B.png
diff --git a/src/img/level_01.ase b/src/img/level_01.ase
index ca8a6dd..b62a629 100644
Binary files a/src/img/level_01.ase and b/src/img/level_01.ase differ
diff --git a/src/img/player.ase b/src/img/player.ase
index 6454979..b1263b8 100644
Binary files a/src/img/player.ase and b/src/img/player.ase differ
diff --git a/src/img/player.png b/src/img/player.png
deleted file mode 100644
index 3d5b500..0000000
Binary files a/src/img/player.png and /dev/null differ
diff --git a/src/main.lua b/src/main.lua
index fa5c03e..792cb77 100644
--- a/src/main.lua
+++ b/src/main.lua
@@ -9,11 +9,12 @@ local playerSprite = nil
 local atlas = nil
 
 function gameInit()
+  playdate.display.setScale(2)
   local playerImage = gfx.image.new("img/player")
   assert(playerImage)
 
   playerSprite = gfx.sprite.new(playerImage)
-  playerSprite:moveTo(200, 120) -- (200,120) is the center of the Playdate screen
+  playerSprite:moveTo(100, 60) -- (200,120) is the center of the Playdate screen
   playerSprite:add()
 
   atlas = gfx.imagetable.new("img/level_01")
@@ -47,5 +48,5 @@ function playdate.update()
 
   gfx.sprite.update()
   playdate.timer.updateTimers()
-  atlas:drawImage(2, 32, 32)
+  atlas:drawImage(2, 16, 16)
 end
diff --git a/tools/gen-luarc.nu b/tools/gen-luarc.nu
old mode 100644
new mode 100755
diff --git a/tools/luarc_sample.json b/tools/luarc_sample.json
old mode 100644
new mode 100755