diff --git a/SuperCbr.g1a b/SuperCbr.g1a
index fcab2be..014e159 100644
Binary files a/SuperCbr.g1a and b/SuperCbr.g1a differ
diff --git a/assets-fx/img/spikes.png b/assets-fx/img/spikes.png
new file mode 100644
index 0000000..0af4945
Binary files /dev/null and b/assets-fx/img/spikes.png differ
diff --git a/include/ennemi.h b/include/ennemi.h
index 9a1a6ba..40c21ec 100644
--- a/include/ennemi.h
+++ b/include/ennemi.h
@@ -43,7 +43,8 @@ typedef struct
 void ennemiDisplay(ennemi_t const * e);
 
 extern ennemi_t * ennemis_global;
-extern int ennemis_global_size;
+int ennemiesNumber();
+
 void ennemiesDisplay();
 
 void ennemiMove(ennemi_t * e);
diff --git a/include/tile.h b/include/tile.h
index 43f7525..af1fc5b 100755
--- a/include/tile.h
+++ b/include/tile.h
@@ -25,7 +25,7 @@ extern const tileset_t buisson;
 extern const tileset_t colline;
 extern const tileset_t castle;
 extern const tileset_t end_level;
-
+extern const tileset_t spikes;
 extern const tileset_t champi;
 extern const tileset_t fleur;
 extern const tileset_t life_1up;
diff --git a/include/world.h b/include/world.h
index 7684a10..9ba66de 100755
--- a/include/world.h
+++ b/include/world.h
@@ -19,6 +19,7 @@ typedef enum
 	ARBRE,
 	GIFT,
 	COIN,
+	SPIKES,
 	NUAGE,
 	BUISSON,
 	COLLINE,
diff --git a/src/box.c b/src/box.c
index 8ebf7a8..bd10ad5 100755
--- a/src/box.c
+++ b/src/box.c
@@ -7,7 +7,7 @@
 
 int check_collision(box_t *b)
 {
-	for (int i=0; i<ennemis_global_size; i++) if (boxContact(&ennemis_global[i].b,b)) return 1;
+	for (int i=0; i<ennemiesNumber(); i++) if (boxContact(&ennemis_global[i].b,b)) return 1;
 	return 0;
 }
 
diff --git a/src/bullet.c b/src/bullet.c
index 69804c7..62f14cc 100644
--- a/src/bullet.c
+++ b/src/bullet.c
@@ -53,7 +53,7 @@ void bulletsMove()
 		if (bullets[i].b.x<=cameraX()-bullets[i].b.w || bullets[i].b.x>=cameraX()+127) bullets[i].type=0; // delete a bullet if it is out of the screen
 
 		// contact with ennemies
-		for (int a=0; a<ennemis_global_size; a++) if (ennemis_global[a].type!=NONE && boxContact(&bullets[i].b, &ennemis_global[a].b))
+		for (int a=0; a<ennemiesNumber(); a++) if (ennemis_global[a].type!=NONE && boxContact(&bullets[i].b, &ennemis_global[a].b))
 		{
 			ennemis_global[a].life=DEAD;
 			bullets[i].type=0;
diff --git a/src/ennemi.c b/src/ennemi.c
index b67c936..7bec10f 100644
--- a/src/ennemi.c
+++ b/src/ennemi.c
@@ -12,18 +12,38 @@
 
 #include <stdbool.h>
 
+/** properties **/
 const int ennemi_widths [NOMBRE_ENNEMIS] = {0, 8, 8,  8, 8 , 8, 8};
-//const int ennemi_heights[NOMBRE_ENNEMIS] = {0, 8, 12, 9, 12, 9, 8};
 const int ennemi_heights[NOMBRE_ENNEMIS] = {0, 8, 8, 8, 8, 8, 8};
 
+/** ram storage **/
+ennemi_t * ennemis_global=0;
+static int ennemis_global_size=0;
+int ennemiesNumber() { return ennemis_global_size; }
+
+void ennemiesInit(ennemi_t * table, int s)
+{
+	if (ennemis_global) freeProf(ennemis_global);
+
+	ennemis_global_size = ennemis_global = 0; // reset
+
+	if (s==0) return;
+	int const size = sizeof(ennemi_t) * s;
+	if ((ennemis_global = mallocProf(size)) == 0) mallocError();
+
+	ennemis_global_size = s;
+	memcpy(ennemis_global, table, size);
+}
+
+
 void ennemiDisplay(ennemi_t const * e)
 {
-	if (e->type==NONE) return;
-	if (e->b.x<=cameraX(0)-e->b.w || e->b.x>=cameraX(0)+127) return; // do not draw if out of the screen
+	if (e->type == NONE) return;
+	if (e->b.x <= cameraX(0) - e->b.w || e->b.x >= cameraX(0) + 127) return; // do not draw if out of the screen
 
 	{// draw
 		int tx=0, ty=0, dsx=0, dsy=0;
-		tileset_t t={0,ennemi_widths[e->type], ennemi_heights[e->type],1};
+		tileset_t t={0, ennemi_widths[e->type], ennemi_heights[e->type], 1};
 		switch (e->type)
 		{
 			case GOOMBA_ID:
@@ -86,16 +106,15 @@ void plante_tour(ennemi_t *e)
 	{
 		e->p1++;
 		e->p1%=PLANTE_NLAPS;
-		if (0<=e->p1 && e->p1<35) // (plante en bas, en attente)
-		{
-			if (abs(mario.p.x-e->b.x)<15) e->p1=0;
-		}
+		// En attente
+		if (0<=e->p1 && e->p1<35) if (abs(mario.p.x-e->b.x)<15) e->p1=0;
+
 		if (35<=e->p1 && e->p1<58)
 		{
 			if ((e->p1+1)%3==0) e->b.y++;
 		}
-		if (58<=e->p1 && e->p1<75){} // plante en attente en haut
-		if (75<=e->p1 && e->p1<98)
+		if (58 <= e->p1 && e->p1 < 75){} // plante en attente en haut
+		if (75 <= e->p1 && e->p1 < 98)
 		{
 			if (e->p1%3==0) e->b.y--;
 		}
@@ -332,24 +351,9 @@ void ennemiMove(ennemi_t *e)
 	}
 }
 
-// Global variables for ennemies
-ennemi_t * ennemis_global=0;
-int ennemis_global_size=0;
+
 
 void ennemiesDisplay()
 {
 	for (int i=0; i<ennemis_global_size; i++) ennemiDisplay(&ennemis_global[i]);
 }
-
-
-void ennemiesInit(ennemi_t * table, int s)
-{
-	if (ennemis_global)
-	freeProf(ennemis_global);
-	ennemis_global_size=ennemis_global=0;
-	if (!s) return;
-	int size=sizeof(ennemi_t)*s;
-	if ((ennemis_global=mallocProf(size))==0) mallocError();
-	ennemis_global_size=s;
-	memcpy(ennemis_global, table, size);
-}
diff --git a/src/tile.c b/src/tile.c
index 5fce5cf..53bca25 100755
--- a/src/tile.c
+++ b/src/tile.c
@@ -22,6 +22,9 @@ const tileset_t gift={&img_gift, TILE_W, TILE_H, 1};
 extern image_t img_coin;
 const tileset_t coin={&img_coin, TILE_W, TILE_H, 1};
 
+extern image_t img_spikes;
+const tileset_t spikes={&img_spikes, TILE_W, TILE_H, 1};
+
 extern image_t img_nuage;
 const tileset_t nuage={&img_nuage, TILE_W, TILE_H, 0};
 extern image_t img_buisson;
diff --git a/src/tuyau.c b/src/tuyau.c
index ae7a36f..0e7adec 100644
--- a/src/tuyau.c
+++ b/src/tuyau.c
@@ -57,7 +57,7 @@ void teleportersActive()
 			mario.p.vx=0; mario.p.vy=0; // Disables every move of mario
 			cameraAdjust();
 
-			for (int j=0; j<ennemis_global_size; j++) if (ennemis_global[j].type==PLANTE_ID) for (int k=0; k<99; k++) plante_tour(&ennemis_global[j]);
+			for (int j=0; j<ennemiesNumber(); j++) if (ennemis_global[j].type==PLANTE_ID) for (int k=0; k<99; k++) plante_tour(&ennemis_global[j]);
 
 			const tuyau_t c = *((tuyau_t*)worldGetCell(mario.p.x, mario.p.y));
 
diff --git a/src/world.c b/src/world.c
index d6b9ba1..1ceb9f4 100755
--- a/src/world.c
+++ b/src/world.c
@@ -7,8 +7,6 @@
 #include <camera.h>
 
 #include <mario.h>
-#include <ennemi.h>
-
 #include <bonus.h>
 #include <ennemi.h>
 #include <plateforme.h>
@@ -65,6 +63,10 @@ void cellDraw(int cx, int cy, int sx, int sy, int plan)
 		tileDraw(sx, sy, &bloc, 0, 0);
 		break;
 
+		case SPIKES:
+		tileDraw(sx, sy, &spikes, 0, 0);
+		break;
+
 		case BRICK:
 		if (((brick_t*)cell)->time_hit_id) // calculate collision animation
 		{
@@ -177,7 +179,7 @@ void worldDraw()
 void worldMove()
 {
 	MKB_update();
-	for (int i=0; i<ennemis_global_size; i++) ennemiMove(&ennemis_global[i]);
+	for (int i=0; i<ennemiesNumber(); i++) ennemiMove(&ennemis_global[i]);
 	bonusMove();
 	bulletsMove();
 	platformsMove();