diff --git a/sonic-boost.love/datas/subgame/sonic-boost/chunks/basics.lua b/sonic-boost.love/datas/subgame/sonic-boost/chunks/basics.lua
new file mode 100644
index 0000000..cbd902c
--- /dev/null
+++ b/sonic-boost.love/datas/subgame/sonic-boost/chunks/basics.lua
@@ -0,0 +1,53 @@
+return {
+  parts = {
+    [0] = {{"self",{01,00,00,00}}, {"self",{00,00,00,00}}}
+  },
+  chunks = {
+    [0] = {
+      terrain = {
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00}
+      },
+      objects = {
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00}
+      },
+      grind = {
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00}
+      }
+    },
+    [1] = {
+      terrain = {
+        {00,00,01,00,00,00,04,03},
+        {00,00,00,01,00,00,00,03},
+        {00,00,02,02,02,02,02,03},
+        {00,00,00,01,00,00,00,03},
+        {00,00,01,00,00,00,04,03}
+      },
+      objects = {
+        {00,00,00,01,01,01,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,02,02,02,00,00}
+      },
+      grind = {
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,01,03},
+        {00,00,01,02,02,02,03,00},
+        {00,00,00,00,00,00,00,00},
+        {00,00,00,00,00,00,00,00}
+      }
+    },
+  }
+}
diff --git a/sonic-boost.love/datas/subgame/sonic-boost/chunks/terrains.lua b/sonic-boost.love/datas/subgame/sonic-boost/chunks/terrains.lua
new file mode 100644
index 0000000..da10e29
--- /dev/null
+++ b/sonic-boost.love/datas/subgame/sonic-boost/chunks/terrains.lua
@@ -0,0 +1,13 @@
+return {
+  [0] = {
+    setDashTo     = nil,
+    changeSpd     = false,
+    max           = 1,
+    acc           = 1,
+    spd           = 0,
+    groundbellow  = true,
+    springPow     = 0,
+    playSFX       = nil,
+    hazard        = false,
+  }
+}
diff --git a/sonic-boost.love/scenes/subgame/sonic-boost/controller/world.lua b/sonic-boost.love/scenes/subgame/sonic-boost/controller/world.lua
index 1061f6c..09485e1 100644
--- a/sonic-boost.love/scenes/subgame/sonic-boost/controller/world.lua
+++ b/sonic-boost.love/scenes/subgame/sonic-boost/controller/world.lua
@@ -236,7 +236,7 @@ function World:addPart(filename, part)
     -- Si c'est un autre nom, on charge dans "partdata" la liste des partie de niveau
     -- du fichier qu'on réfère.
 
-    local chunkfile = require("datas.chunks." .. filename)
+    local chunkfile = require("datas.subgame.sonic-boost.chunks." .. filename)
     partdata = chunkfile.parts
   end
 
@@ -271,7 +271,7 @@ function World:addChunk(filename, chunk)
   if filename == "self" then filename = "basic" end
   --print("--- Adding chunk id " .. chunk .. " located in " .. filename)
 
-  local chunkfile = require("datas.chunks." .. filename)
+  local chunkfile = require("datas.subgame.sonic-boost.chunks." .. filename)
   chunkdata = chunkfile.chunks
 
   local chunkpos = #self.chunks