diff --git a/assets/converters.py b/assets/converters.py
index ce4c33d..a7ab5ae 100644
--- a/assets/converters.py
+++ b/assets/converters.py
@@ -29,13 +29,11 @@ def convert_world(input, output, params, target):
 	structWorld = fxconv.Structure()
 	
 	for i in range(nbMaps):
-
 		nameMap = data["maps"][i]["fileName"].replace(".tmx","")
 		nameMapFree = nameMap.split("/")[-1]
 		#count the number of "back" (cd ..) to locate the map on the computer
 		nbRetour = nameMap.count("..")+1
 		#create the map absolute path 		
-	
 		
 		nameTMX = "/".join(input.split("/")[:-nbRetour]) + "/" + nameMap + ".tmx"
 		nameJSON = "/".join(input.split("/")[:-nbRetour]) + "/" + nameMap + ".json"
@@ -43,7 +41,6 @@ def convert_world(input, output, params, target):
 		commandline = 'tiled --export-map json ' + nameTMX + ' ' + nameJSON
 		print( "TILED COMMAND LINE FOR MAPS : ", commandline )
 		os.system( commandline )
-		
 
 		mapPath = "/".join(input.split("/")[:-nbRetour]) + "/" + nameMap + ".json"		
 		print("Map ", i , " name : ", mapPath )	
@@ -60,19 +57,54 @@ def convert_world(input, output, params, target):
 		ymax = data["maps"][i]["y"] + data["maps"][i]["height"]
 		print( "ymax = ", ymax )
 
-		map = convert_map( mapPath, output, params, target, xmin, ymin, xmax, ymax)
+		map = get_tile_map_data( mapPath, output, params, target, xmin, ymin, xmax, ymax)
 		print( "Map = ", map )
 		structWorld += fxconv.ptr( map )
 
 	structWorld += fxconv.u32(0)
 
 	#generate !
+	#the map data
 	fxconv.elf(structWorld, output, "_" + params["name"], **target)
+	
+	
+"""
+	structExtra = fxconv.Structure()
+	
+	for i in range(nbMaps):
+
+		nameMap = data["maps"][i]["fileName"].replace(".tmx","")
+		nameMapFree = nameMap.split("/")[-1]
+		#count the number of "back" (cd ..) to locate the map on the computer
+		nbRetour = nameMap.count("..")+1
+		#create the map absolute path 		
+
+		mapPath = "/".join(input.split("/")[:-nbRetour]) + "/" + nameMap + ".json"		
+		print("Map ", i , " name : ", mapPath )	
+		
+		xmin = data["maps"][i]["x"]
+		print( "xmin = ", xmin )
+
+		ymin = data["maps"][i]["y"]
+		print( "ymin = ", ymin )
+
+		xmax = data["maps"][i]["x"] + data["maps"][i]["width"]
+		print( "xmax = ", xmax )
+
+		ymax = data["maps"][i]["y"] + data["maps"][i]["height"]
+		print( "ymax = ", ymax )
+
+		ext = get_extra_map_data( mapPath, output, params, target, xmin, ymin, xmax, ymax )
+		print( "Data = ", ext )
+		if (ext!=fxconv.u32(0)): structExtra += fxconv.ptr( ext )
+	
+	structExtra += fxconv.u32(0)
+	#and all the extra data (PNJ, SGN, ...)
+	fxconv.elf(structExtra, output, "_" + params["name"]+"Extra", **target)
+"""
 
 
-
-
-def convert_map(input, output, params, target, xmin, ymin, xmax, ymax):
+def get_tile_map_data(input, output, params, target, xmin, ymin, xmax, ymax):
 	print( "WE ARE COMPUTING THE MAP : ", input )
 	data = json.load(open(input, "r"))
 
@@ -131,7 +163,7 @@ def convert_map(input, output, params, target, xmin, ymin, xmax, ymax):
 			print( "Walkable Tile Data in layer : ", layer_walkable)
 			break
 		elif i==nbTilelayer:
-			printf( "ERROR : No Walkable layer data !!!" )
+			print( "ERROR : No Walkable layer data !!!" )
 
 	walk_data = bytes()
 	layer = data["layers"][layer_walkable]
@@ -154,7 +186,7 @@ def convert_map(input, output, params, target, xmin, ymin, xmax, ymax):
 			print( "Background Tile Data in layer : ", layer_background)
 			break
 		elif i==nbTilelayer:
-			printf( "ERROR : No Background layer data !!!" )
+			print( "ERROR : No Background layer data !!!" )
 
 	layer_data = bytes()
 	layer = data["layers"][layer_background]
@@ -185,3 +217,42 @@ def convert_map(input, output, params, target, xmin, ymin, xmax, ymax):
 
 	return structMap
 
+
+
+def get_extra_map_data(input, output, params, target, xmin, ymin, xmax, ymax):
+	print( "WE ARE COMPUTING THE EXTRA DATA OF THE MAP : ", input )
+	data = json.load(open(input, "r"))
+
+
+	nblayer = ["id" in i for i in data["layers"]].count(True) - 1
+	print( "I found ", nblayer, " of extradata")
+
+	#index of the various layers (may change from one map to another)
+	layer_extradata = 0
+
+	#import the foreground layer of the map
+	for i in range(nblayer+1):
+		datavalid = data["layers"][i]
+		if datavalid["name"]=="ExtraData":
+			layer_extradata = i
+			print( "Extra Data in layer : ", layer_extradata)
+			break
+		elif i==nblayer:
+			print( "ERROR : No ExtraData layer data !!!" )
+			return fxconv.u32(0)
+
+	#create the structure of the map
+	structData = fxconv.Structure()
+
+	layer = data["layers"][layer_extradata]
+	for i in layer["objects"]:
+		x = i["x"] + xmin
+		y = i["y"] + ymin
+		st = i[ "type" ]
+		print( "OBJECT X= ", x, " Y= ", y, "STR= ", st )
+		structData += fxconv.u16( x )
+		structData += fxconv.u16( y )
+		structData += fxconv.string( st )
+
+
+	return structData
diff --git a/assets/fxconv-metadata.txt b/assets/fxconv-metadata.txt
index 77b9eb0..0176752 100644
--- a/assets/fxconv-metadata.txt
+++ b/assets/fxconv-metadata.txt
@@ -5,4 +5,5 @@
 
 *.world:
   custom-type: world
+#  extra: extraRPG
   name: worldRPG
diff --git a/assets/level0.tmx b/assets/level0.tmx
index 2090f4e..9e150be 100644
--- a/assets/level0.tmx
+++ b/assets/level0.tmx
@@ -91,21 +91,24 @@
  </layer>
  <objectgroup id="4" name="ExtraData">
   <object id="1" name="PlayerStart" type="PST" x="52" y="44">
+   <properties>
+    <property name="dialog" value="Quelqu'un est mort ici ..."/>
+   </properties>
    <point/>
   </object>
-  <object id="2" name="PNJ1" type="NPC" x="236.667" y="165">
+  <object id="2" name="PNJ1" type="NPC" x="252" y="164">
    <properties>
     <property name="dialog" value="Salut, je suis un PNJ"/>
    </properties>
    <point/>
   </object>
-  <object id="4" name="SGN1" type="SGN" x="96.3333" y="136">
+  <object id="4" name="SGN1" type="SGN" x="96" y="136">
    <properties>
     <property name="dialog" value="Indication sur le panneau. Bienvenue dans la maison du Tondu ..."/>
    </properties>
    <point/>
   </object>
-  <object id="5" name="SGN2" type="SGN" x="288" y="127.333">
+  <object id="5" name="SGN2" type="SGN" x="288" y="128">
    <properties>
     <property name="dialog" value="Indication sur le panneau. Entree dans le Sanctuaire Maudit ..."/>
    </properties>
diff --git a/src/game.h b/src/game.h
index b8b8615..5dc51c5 100644
--- a/src/game.h
+++ b/src/game.h
@@ -32,6 +32,11 @@ typedef struct {
 } Player;
 
 
+typedef struct {
+    uint16_t x, y;
+    char type[3];
+} ExtraData;
+
 
 typedef struct {
     /* width, height and the number of layer of the map */
diff --git a/src/main.c b/src/main.c
index 7a84413..eef0fec 100644
--- a/src/main.c
+++ b/src/main.c
@@ -108,13 +108,13 @@ int main(void) {
         dgray(DGRAY_ON);
     #endif
 
-/*
+
     showtext_dialog(&game, &player_face_img, "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed non risus. Suspendisse lectus tortor, dignissim sit amet.", true, true);
     int in = showtext_dialog_ask(&game, &player_face_img, "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed non risus. Suspendisse lectus tortor, dignissim sit amet.", true, false, "Lorem\0Ipsum\0Dolor", 3, 0);
     if(in==2) showtext_dialog(&game, &player_face_img, "You choosed Dolor", false, true);
     else if(in==1) showtext_dialog(&game, &player_face_img, "You choosed Ipsum", false, true);
     else showtext_dialog(&game, &player_face_img, "You choosed Lorem", false, true);
-*/
+
 
     do{
         /* clear screen */
diff --git a/src/map.c b/src/map.c
index df771d0..94b43ff 100644
--- a/src/map.c
+++ b/src/map.c
@@ -5,6 +5,7 @@
 #include <gint/display.h>
 
 extern Map *worldRPG[];
+//extern ExtraData *extraRPG[];
 
 
 void render_map(Game *game) {