diff --git a/Plague.g1a b/Plague.g1a
index cbbf5bc..da7b688 100644
Binary files a/Plague.g1a and b/Plague.g1a differ
diff --git a/src/core.c b/src/core.c
index 9fc6f2a..b85f3a7 100644
--- a/src/core.c
+++ b/src/core.c
@@ -9,7 +9,7 @@
 #include "display_engine.h"
 
 
-int next_frame(struct game *current_game, int *dna_animation)
+int next_frame(struct game *current_game, int *dna_animation, int *vaccine)
 {
     for (int i = 0; current_game->planes[i]; i++)
     {
@@ -65,8 +65,9 @@ int next_frame(struct game *current_game, int *dna_animation)
         // Reset internal clock
         current_game->time = 0;
 
-        // Display the first step of research
+        // Display message on research
         if (!current_game->research && current_game->priority) message("LA RECHERHCE CONTRE VOTRE VIRUS COMMENCE !"); 
+        else if (!*vaccine && (current_game->research == current_game->limit)) {*vaccine = 1; message("LE VACCIN EST TERMINE."); }
 
         // Update the game
         current_game->dna = current_game->dna + 1 + floor(current_game->severity / 10);
@@ -163,7 +164,8 @@ int callback_tick(volatile int *tick)
 void message(char *msg)
 {
     int opt = GETKEY_DEFAULT & ~GETKEY_MOD_SHIFT & ~GETKEY_MOD_ALPHA & ~GETKEY_REP_ARROWS;
-    
+    key_event_t ev = {0};
+
     display_message(msg);
-    getkey_opt(opt, NULL);
+    while (ev.key != KEY_ALPHA) ev = getkey_opt(opt, NULL);
 }
diff --git a/src/core.h b/src/core.h
index 25dbe47..c3a7c4b 100644
--- a/src/core.h
+++ b/src/core.h
@@ -5,7 +5,7 @@
 
 // Duration for internal clock (ms)
 #define ENGINE_TICK 50
-#define CURSOR_TICK 75
+#define CURSOR_TICK 110
 #define DNA_ANIMATION_TICK 150
 
 // Duration for DNA points and infectious model (ms)
@@ -90,7 +90,7 @@ struct cursor
 int get_inputs(const int background, int *mutation_menu, int *boost);
 
 // next_frame : compute the plane's positions
-int next_frame(struct game *current_game, int *dna_animation);
+int next_frame(struct game *current_game, int *dna_animation, int *vaccine);
 
 // rtc_key : get the key with RTC system
 int rtc_key(void);
diff --git a/src/display_engine.c b/src/display_engine.c
index 875473d..021ceef 100644
--- a/src/display_engine.c
+++ b/src/display_engine.c
@@ -124,9 +124,7 @@ void display_mutation(const int table[4][8], const struct cursor c, const int mu
             if (table[i][j]) dsubimage(j*16, i*16, &img_mutations, 16 * (mutation_menu - 1), 16 * (table[i][j] - 1), 15, 15, DIMAGE_NONE);
         }
     }
-    int to_display = 0;
-    if (c.display > 1) to_display = 1;
-    dsubimage((16 * c.x) - 1, (16 * c.y) - 1, &img_cursor, 0, 17 * (to_display), 17, 17, DIMAGE_NONE);
+    dsubimage((16 * c.x) - 1, (16 * c.y) - 1, &img_cursor, 0, 17 * (c.display), 17, 17, DIMAGE_NONE);
     dupdate();
 
 }
diff --git a/src/main.c b/src/main.c
index 709fb31..7769062 100644
--- a/src/main.c
+++ b/src/main.c
@@ -83,8 +83,11 @@ int main(void)
     else
     {
         // Display stats at the end of the game
+        dclear(C_WHITE);
         display_background(6);
         display_foreground(6, &current_game, 0, 0);
+        dupdate();
+        sleep_ms(250);
 
         int opt = GETKEY_DEFAULT & ~GETKEY_MOD_SHIFT & ~GETKEY_MOD_ALPHA & ~GETKEY_REP_ARROWS;
         getkey_opt(opt, NULL);
@@ -139,7 +142,7 @@ static void title_screen(void)
 int main_loop(struct game *current_game)
 {
     int background = 1, mutation_menu = 4;
-    int end = 0, to_save = 1, dna_animation = 0;
+    int end = 0, to_save = 1, dna_animation = 0, vaccine = 0;
 
     static volatile int tick = 1;
     int t = timer_configure(TIMER_ANY, ENGINE_TICK*1000, GINT_CALL(callback_tick, &tick));
@@ -158,7 +161,7 @@ int main_loop(struct game *current_game)
         dupdate();
 
         // Compute the motion of planes, DNA points and infectious model
-        to_save = next_frame(current_game, &dna_animation);
+        to_save = next_frame(current_game, &dna_animation, &vaccine);
         if (!to_save) return 0;
         
         // Get inputs from the keyboard and manage it
diff --git a/src/mutation_engine.c b/src/mutation_engine.c
index 5b27e6d..91b5899 100644
--- a/src/mutation_engine.c
+++ b/src/mutation_engine.c
@@ -63,7 +63,7 @@ void mutation_select(struct game *current_game, const int mutation_menu)
         // Cursor blinking gestion
         while (!tick) sleep();
         tick = 0;
-        c.display = (c.display + 1) % 4;
+        c.display = (c.display + 1) % 2;
 
         // Get and display the mutation menu
         int table[4][8];
@@ -72,6 +72,8 @@ void mutation_select(struct game *current_game, const int mutation_menu)
         
         // Get the key
         key = rtc_key();
+
+        if (key) {tick = 1; c.display = 1;}
         
         // Manage input
         if (key == KEY_ALPHA) end = 1;