diff --git a/Makefile b/Makefile
index deb2798..a55765b 100644
--- a/Makefile
+++ b/Makefile
@@ -11,16 +11,13 @@ DEFLDFLAGS = $(shell if echo "" | cc -E -dM -xc - | grep __FreeBSD__ > /dev/null
 
 all: $(OUT)
 
-$(OBJDIR):
-	mkdir $(OBJDIR)
-
-$(OBJDIR)/platform: $(OBJDIR)
-	mkdir $(OBJDIR)/platform
+$(OBJDIR)/platform:
+	mkdir -p $(OBJDIR)/platform
 
 $(OBJDIR)/%.o: $(SRCDIR)/%.c
 	$(CC) -c -o $@ $< $(CFLAGS) $(INCLUDE)
 
-$(OUT): $(OBJDIR) $(OBJDIR)/platform $(OBJ)
+$(OUT): $(OBJDIR)/platform $(OBJ)
 	$(CC) -o $@ $(OBJ) $(LDFLAGS) $(DEFLDFLAGS)
 
 clean:
diff --git a/include/player.h b/include/player.h
index c5ed465..e013f2c 100644
--- a/include/player.h
+++ b/include/player.h
@@ -21,10 +21,10 @@ struct player_t
     int score;
 };
 
-Player *playerCreate(Direction direction, int x, int y, int score);
+void playerCreate(Player *buffer, Direction direction, int x, int y, int score);
 
-bool playerCheckSelfCollision(Player *player);
-bool playerCheckFoodCollision(Player *player, Food food);
+bool playerCheckSelfCollision(Player player);
+bool playerCheckFoodCollision(Player player, Food food);
 bool playerDoTick(Player *player, Food food);
 
 #endif /* __PLAYER_H__ */
diff --git a/include/screen.h b/include/screen.h
index cc78e7f..7b394ea 100644
--- a/include/screen.h
+++ b/include/screen.h
@@ -11,17 +11,17 @@ typedef struct screen_t
     Point *screen;
 } Screen;
 
-Screen *screenCreate(int width, int height, Point fill_value);
-void screenShow(Screen *screen);
+void screenCreate(Screen *buffer, int width, int height, Point fill_value);
+void screenShow(Screen screen);
 
-static inline Point *screenGetPoint(Screen *screen, int x, int y)
+static inline Point *screenGetPoint(Screen screen, int x, int y)
 {
-    return screen->screen + x + (y * screen->width);
+    return screen.screen + x + (y * screen.width);
 }
 
-static inline void screenSet(Screen *screen, Point fill_value)
+static inline void screenSet(Screen screen, Point fill_value)
 {
-    memset(screen->screen, fill_value, screen->width * screen->height * sizeof(char));
+    memset(screen.screen, fill_value, screen.width * screen.height * sizeof(char));
 }
 
 
diff --git a/src/main.c b/src/main.c
index 30dcf0d..0f55f0a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -12,14 +12,14 @@
 #include "platform/thread.h"
 #include "platform/screen.h"
 
-void drawPlayer(Player *player, Screen *screen)
+void drawPlayer(Player player, Screen screen)
 {
     PlayerNode *node;
-    for (node = player->tail; node != NULL; node = node->next)
+    for (node = player.tail; node != NULL; node = node->next)
         *screenGetPoint(screen, node->x, node->y) = '#';
 }
 
-Food generateFood(Player *player)
+Food generateFood(Player player)
 {
     Food food;
     do
@@ -32,19 +32,19 @@ Food generateFood(Player *player)
 int main(int argc, char **argv)
 {
     srand((unsigned int)time(NULL));
-    Player *player = playerCreate(DOWN, DEFX, DEFY, 0);
-    Screen *screen = screenCreate(SIZE, SIZE, ' ');
+    Player player; playerCreate(&player, DOWN, DEFX, DEFY, 0);
+    Screen screen; screenCreate(&screen, SIZE, SIZE, ' ');
     int i;
     int head_x, head_y;
     Food food = generateFood(player);
 
-    bool *running = malloc(sizeof(bool)); *running = true;
-    int *key = malloc(sizeof(char)); *key = 0;
+    bool running = true;
+    int  key = 0;
     bool stopped = false;
-    InputArgs input_args = (InputArgs){ key, running };
+    InputArgs input_args = (InputArgs){ &key, &running };
 
     threadCreate(input, &input_args);
-    while (*running)
+    while (running)
     {
         screenSet(screen, ' ');
         drawPlayer(player, screen);
@@ -52,37 +52,37 @@ int main(int argc, char **argv)
         resetCoordinates();
         screenShow(screen);
         for (i = 0; i < SIZE*2; ++i) putchar('-');
-        printf("\nScore: %d\n", player->score);
+        printf("\nScore: %d\n", player.score);
 
         sleepMS(SLEEP);
-        switch (*key)
+        switch (key)
         {
             case 'q':
-                *running = false; return 0;
+                running = false; return 0;
             case 'p':
                 stopped = !stopped; break;
             case 'w':
-                if (player->direction == DOWN) break;
-                player->direction = UP; break;
+                if (player.direction == DOWN) break;
+                player.direction = UP; break;
             case 'd':
-                if (player->direction == LEFT) break;
-                player->direction = RIGHT; break;
+                if (player.direction == LEFT) break;
+                player.direction = RIGHT; break;
             case 's':
-                if (player->direction == UP) break;
-                player->direction = DOWN; break;
+                if (player.direction == UP) break;
+                player.direction = DOWN; break;
             case 'a':
-                if (player->direction == RIGHT) break;
-                player->direction = LEFT; break;
-        } *key = 0;
+                if (player.direction == RIGHT) break;
+                player.direction = LEFT; break;
+        } key = 0;
         if (stopped) continue;
 
-        if (playerDoTick(player, food) && player->score < SIZE*SIZE - 1)
+        if (playerDoTick(&player, food) && player.score < SIZE*SIZE - 1)
             food = generateFood(player);
-        head_x = player->head->x;
-        head_y = player->head->y;
+        head_x = player.head->x;
+        head_y = player.head->y;
         if (head_x >= SIZE || head_x < 0 || head_y >= SIZE || head_y < 0 || playerCheckSelfCollision(player))
         {
-            *running = false;
+            running = false;
             break;
         }
     }
diff --git a/src/player.c b/src/player.c
index 046ceda..2c54883 100644
--- a/src/player.c
+++ b/src/player.c
@@ -2,35 +2,32 @@
 
 #include "player.h"
 
-Player *playerCreate(Direction direction, int x, int y, int score)
+void playerCreate(Player *buffer, Direction direction, int x, int y, int score)
 {
-    Player *player = (Player *)malloc(sizeof(Player));
     PlayerNode *head = (PlayerNode *)malloc(sizeof(PlayerNode));
 
     head->x = x;
     head->y = y;
     head->next = NULL;
 
-    player->tail = head;
-    player->head = head;
-    player->score = score;
-    player->direction = direction;
-
-    return player;
+    buffer->tail = head;
+    buffer->head = head;
+    buffer->score = score;
+    buffer->direction = direction;
 }
 
-bool playerCheckFoodCollision(Player *player, Food food)
+bool playerCheckFoodCollision(Player player, Food food)
 {
-    for (PlayerNode *node = player->tail; node != NULL; node = node->next)
+    for (PlayerNode *node = player.tail; node != NULL; node = node->next)
         if (node->x == food.x && node->y == food.y)
             return true;
     return false;
 }
 
-bool playerCheckSelfCollision(Player *player)
+bool playerCheckSelfCollision(Player player)
 {
     PlayerNode *nodei, *nodej;
-    for (nodei = player->tail; nodei != NULL; nodei = nodei->next)
+    for (nodei = player.tail; nodei != NULL; nodei = nodei->next)
         for (nodej = nodei->next; nodej != NULL; nodej = nodej->next)
             if (nodei->x == nodej->x && nodei->y == nodej->y)
                 return true;
diff --git a/src/screen.c b/src/screen.c
index 704cf5e..2e1580d 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -1,25 +1,24 @@
-#include "screen.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-Screen *screenCreate(int width, int height, Point fill_value)
+#include "screen.h"
+
+void screenCreate(Screen *buffer, int width, int height, Point fill_value)
 {
     Point *screen = malloc(width * height * sizeof(Point));
     memset(screen, fill_value, width * height * sizeof(Point));
 
-    Screen *out = malloc(sizeof(Screen));
-    out->width = width;
-    out->height = height;
-    out->screen = screen;
-    return out;
+    buffer->width = width;
+    buffer->height = height;
+    buffer->screen = screen;
 }
 
-void screenShow(Screen *screen)
+void screenShow(Screen screen)
 {
     int x, y, i;
-    int width = screen->width;
-    int height = screen->height;
+    int width = screen.width;
+    int height = screen.height;
     Point point;
 
     for (y = 0; y < height; ++y)