diff --git a/livrables/1/README.txt b/livrables/1/README.txt
new file mode 100644
index 0000000..e69de29
diff --git a/livrables/1/graphic.py b/livrables/1/graphic.py
new file mode 100755
index 0000000..02d5521
--- /dev/null
+++ b/livrables/1/graphic.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+
+import pygame as pg
+import pacman_sprite
+import pacman as m_pacman # m_ for module to avoid conflicts
+from physic_engine import PhysicEngine
+import pacmap as m_pacmap
+import sys
+
+pg.init()
+
+class Screen:
+    def __init__(self, size, pacmap: m_pacmap.Map, physic_engine: PhysicEngine, pacman: m_pacman.Pacman):
+        self.screen = pg.display.set_mode(size)
+        # self.screen.set_caption("Pacman")
+        self.physic_engine = physic_engine
+        self.pacman = pacman
+        self.pacman_sprite = pacman_sprite.PacmanSprite(size[0]/28)
+        self.clock = pg.time.Clock()
+        self.max_fps = 40
+        self.entity_group = pg.sprite.Group(self.pacman_sprite)
+        self.loop()
+    
+
+    def user_events(self):
+        key = pg.key.get_pressed()
+        if key[pg.K_UP]:
+            pacman.set_next_dir(m_pacman.direction.up)
+        if key[pg.K_DOWN]:
+            pacman.set_next_dir(m_pacman.direction.down)
+        if key[pg.K_LEFT]:
+            pacman.set_next_dir(m_pacman.direction.left)
+        if key[pg.K_RIGHT]:
+            pacman.set_next_dir(m_pacman.direction.right)
+
+    def refresh(self):
+        """refresh/redraw all"""
+        pac_x, pac_y = self.pacman.position
+        pac_res = self.pacman.resolution
+        pacmap.draw(self.screen)
+        self.pacman_sprite.rect.x = int(pac_x / 28 / pac_res * self.screen.get_width()) - 10
+        self.pacman_sprite.rect.y = int(pac_y / 31 / pac_res * self.screen.get_height()) - 10
+        self.entity_group.draw(self.screen)
+
+
+    def create_maze_surface(self):
+        pass
+
+    def loop(self):
+        while 1:
+            self.screen.fill((0, 0, 0))
+            for event in pg.event.get():
+                if event.type == pg.QUIT:
+                    sys.exit()
+
+            self.user_events()
+            self.physic_engine.move_all()
+            self.refresh()
+
+            self.clock.tick(self.max_fps)
+            pg.display.flip()
+
+if __name__ == '__main__':
+    pacman = m_pacman.Pacman((1,1))
+    pacmap = m_pacmap.Map(maze_img_file="pacmap_maze1.png")
+    phys_engine = PhysicEngine(pacmap, pacman)
+    screen = Screen((560, 620), pacmap, phys_engine, pacman)
diff --git a/livrables/1/pacman.py b/livrables/1/pacman.py
new file mode 100755
index 0000000..867a261
--- /dev/null
+++ b/livrables/1/pacman.py
@@ -0,0 +1,135 @@
+import pacmap
+import os
+
+from enum import IntEnum
+from collections import namedtuple
+
+_tempdir = namedtuple("Direction", ["up", "down", "left", "right", "none"])
+direction = _tempdir(
+    up= (0, -1),
+    down=(0, 1),
+    left=(-1, 0),
+    right=(1, 0),
+    none=(0, 0)
+)
+pacdot_counter = 88
+score = 0
+lives = 3
+
+class FruitType(IntEnum):
+    A = 0
+
+class Fruit:
+    def __init__(self, fruit_type, score, position = (0, 0)):
+        self.fruit_type = fruit_type
+        self.score = score
+        self.position = position
+
+
+class Pacman:
+    def __init__(self, position=[0, 0], map_size=(28, 31), resolution=10):
+        self.position = [position[0]*resolution+int(resolution/2), position[1]*resolution+int(resolution/2)]
+        self.direction = direction.right
+        self.next_direction = direction.none
+        self.super_power = 0                # Counter of super pacdots in effect (> 0 means super power is active)
+        self.ghost_combo = 0
+        self.size = (1.8, 1.8) # size related to tile size 
+        self.speed = 0.1
+        self.resolution = resolution # when pacman in 0:10 he's in the 1st cell if resolution=10 !!! must be even number
+        self.map_size = map_size
+
+    def matrix_position(self):
+        return int(self.position[0] / self.resolution), int(self.position[1] / self.resolution)
+    
+    def next_matrix_position(self):
+        next_x = int(self.position[0] / self.resolution + self.direction[0]) % self.map_size[0]
+        next_y = int(self.position[1] / self.resolution + self.direction[1]) % self.map_size[1]
+        return next_x, next_y
+
+    def has_super_power(self):
+        return self.super_power > 0
+
+    def eat_pacdot(self, dot_map):
+        global score
+        global pacdot_counter
+        dot_map.dots_map[self.matrix_position()[0]][self.matrix_position()[1]] = pacmap.DotTile.NDT
+        pacdot_counter -= 1
+        score += 10
+        if pacdot_counter == 0:
+            game_over("win")
+
+    def eat_super_pacdot(self, dot_map):
+        global score
+        dot_map.dots_map[self.matrix_position()[0]][self.matrix_position()[1]] = pacmap.DotTile.NDT
+        score += 50
+        self.super_power += 1
+
+        # TODO
+        # Requires UNIX - or use of async
+        # pid = os.fork()
+        #if pid == 0:
+        #    return
+        
+        #os.sleep(10)
+        self.super_power -= 1
+        self.ghost_combo = 0
+
+    def eat_fruit(self, fruit, dot_map):
+        global score
+        dot_map.dots_map[self.matrix_position()[0]][self.matrix_position()[1]] = pacmap.DotTile.NDT
+        score += fruit.score
+
+    def eat_ghost(self, ghost):
+        global score
+        ghost.despawn_and_respawn()
+        self.ghost_combo += 1
+        score += (2 ** self.ghost_combo) * 100
+
+    def get_eaten(self, dot_map):
+        global lives
+        #TODO score loss ?
+        self.position = dot_map.spawn_point #TODO
+        lives -= 1
+        if lives < 0: # à vérifier
+            game_over()
+    
+    def is_at_center_tile(self):
+        """return True if pacman is at the center of a tile else False"""
+        clause_1 = not self.position[0] % (self.resolution/2) and self.position[0] % self.resolution
+        clause_2 = not self.position[1] % (self.resolution/2) and self.position[1] % self.resolution
+        return clause_1 and clause_2
+
+    def change_dir(self, new_dir):
+        self.direction = new_dir
+    
+    def set_next_dir(self, next_dir):
+        if next_dir[0] and self.direction[0]:
+            self.change_dir(next_dir)
+        elif next_dir[1] and self.direction[1]:
+            self.change_dir(next_dir)
+        else:
+            self.next_direction = next_dir
+    
+    def change_to_next_dir(self):
+        self.direction = self.next_direction
+        self.next_direction = direction.none
+    
+    def get_next_dir_tile(self):
+        """return x, y corresponding to the tile if we move with next_direction"""
+        next_x = int(self.position[0] / self.resolution + self.next_direction[0]) % self.map_size[0]
+        next_y = int(self.position[1] / self.resolution + self.next_direction[1]) % self.map_size[1]
+        return next_x, next_y
+
+    def move(self):
+        self.position[0] = (self.position[0] + self.direction[0]) % (self.resolution * self.map_size[0])
+        self.position[1] = (self.position[1] + self.direction[1]) % (self.resolution * self.map_size[1])
+
+def game_over(status = "lose"):
+    #TODO
+    pass
+
+
+
+
+
+
diff --git a/livrables/1/pacman_sprite.py b/livrables/1/pacman_sprite.py
new file mode 100755
index 0000000..4ecfe76
--- /dev/null
+++ b/livrables/1/pacman_sprite.py
@@ -0,0 +1,13 @@
+"""Pacman Graphic Object"""
+import pygame as pg
+
+class PacmanSprite(pg.sprite.Sprite):
+    def __init__(self, size):
+        super().__init__()
+        self.image = pg.Surface([size, size])
+        half_size = int(size / 2)
+        pg.draw.circle(self.image, (255, 255, 0), (half_size, half_size), half_size)
+
+        # Fetch the rectangle object that has the dimensions of the image
+        # Update the position of this object by setting the values of rect.x and rect.y
+        self.rect = self.image.get_rect()
\ No newline at end of file
diff --git a/livrables/1/pacmap.py b/livrables/1/pacmap.py
new file mode 100755
index 0000000..7cb35d1
--- /dev/null
+++ b/livrables/1/pacmap.py
@@ -0,0 +1,242 @@
+from enum import IntEnum
+from copy import deepcopy
+from PIL import Image
+import pygame
+import os
+
+class DotTile(IntEnum):
+    NDT = 0 # no dot
+    SPD = 1 # small pac-dot
+    BPD = 2 # big pac-dot
+    FRT = 3 # fruit
+
+class PhysTile(IntEnum):
+    GRD = 0 # ground
+    WAL = 1 # wall
+    GSD = 2 # ghost door
+    GWL = 3 # ghost cell wall
+    GCF = 4 # ghost cell floor
+    TPT = 5 # teleporter tile
+    FIT = 6 # fully inaccessible tile
+    # ghost-cell ground as FIT ? verify no pac-dot here
+
+class CrossTile(IntEnum):
+    # code where we can find another GRD/TPT Tile from a given Tile
+    # with binary masks
+    UP    = 1 # 0001
+    DOWN  = 2 # 0010
+    LEFT  = 4 # 0100
+    RIGHT = 8 # 1000
+    # direction changement if != 3 or != 12
+
+class Map:
+    """
+    Pacman maps size is 28×31
+    """
+
+    width = 28
+    height = 31
+    # tile_size = 16 # tile subdivision for dynamic movement
+
+    def __init__(self, phys_map = [], dots_map = [], maze_img_file=""):
+        """
+        physic_map is the array containing elements:
+        0: ground tile
+        1: wall
+        2: ghost door
+        3: teleporter (no need to precise which to go because we assume it will
+           be at the opposite map tile)
+        4: fully inaccessible tile (basically tiles that represent the "in-wall"
+           space)
+
+        dots_map is a layer on top of the physic_map of the same dimension which contains
+        0: no dot
+        1: small pac-dot
+        2: big pac-dot
+        """
+        self._surf = pygame.Surface((Map.width * 20, Map.height * 20))
+        if maze_img_file and os.path.isfile(maze_img_file):
+            try:
+                self.phys_map = self.decode_map(maze_img_file)
+            except Exception as e:
+                raise e
+        else:
+            self.phys_map = phys_map # in the first part we assume phys_map is correct and no need to verify
+            self.dots_map = dots_map
+        self.intersect_map = [] # TODO - the layer which contains intersections pre-calculated
+
+
+    def verify(self, phys_map, dots_map) -> bool:
+        """
+        This method will verify if a given map is valid or not
+        Return True if correct else False
+
+        we will assume
+        there are only:
+        - 1 ghost door
+        - 4 big pac-dots
+        - 240 pac-dots
+
+        Each ground tile must have at least 2 ground tile neighboors because
+        there is no dead-end tile in pac-man
+        Each dot must be on a ground tile (not even a teleporter one)
+        """
+
+        if not (len(phys_map) == len(dots_map) == 31):
+            return False
+        
+        for i in range(len(phys_map)):
+            if not (len(phys_map[i]) == len(dots_map[i]) == 28):
+                return False
+
+        # 1 ghost door verification
+        if sum(sub_arr.count(PhysTile.GSD) for sub_arr in phys_map) != 1:
+            return False
+
+        # # 4 big pac dots
+        if sum(sub_arr.count(DotTile.BPD) for sub_arr in dots_map) != 4:
+            return False
+
+        # # 240 small pac-dots
+        if sum(sub_arr.count(DotTile.SPD) for sub_arr in dots_map) != 240:
+            return False
+
+        # dots are only in ground tile
+        for row in range(len(phys_map)):
+            for col in range(len(phys_map[0])):
+                if dots_map[row][col] and phys_map[row][col]: # no dot = 0; ground = 0
+                    return False
+
+        # odd number of teleporter tiles
+        teleporter_count = sum(sub_arr.count(PhysTile.TPT) for sub_arr in phys_map)
+        if teleporter_count % 2:
+            return False
+
+        edges = phys_map[0][1:] + phys_map[-1][1:] + [sub[0] for sub in phys_map] \
+                + [sub[-1] for sub in phys_map][1:-1]
+        
+        # no ground tile on edges
+        if PhysTile.GRD in edges:
+            return False
+
+        # teleporters are in front of the other
+        for col in range(1, len(phys_map[0])-1):
+            if phys_map[0][col] == PhysTile.TPT or phys_map[-1][col] == PhysTile.TPT:
+                if phys_map[0][col] == phys_map[-1][col]:
+                    teleporter_count -= 2
+                else:
+                    return False
+        for row in range(1, len(phys_map)-1):
+            if phys_map[row][0] == PhysTile.TPT or phys_map[row][-1] == PhysTile.TPT:
+                if phys_map[row][0] == phys_map[row][-1]:
+                    teleporter_count -= 2
+                else:
+                    return False
+
+        if teleporter_count: # not all teleporters are on edges
+            return False
+
+        # no teleporter on corners
+        if any(PhysTile.TPT in (phys_map[0][0], phys_map[0][-1],
+               phys_map[self.height-1][0], phys_map[-1][-1])):
+            return False
+
+        # now we have to verify there is no dead-end ground tile
+        for col in range(1, self.width-1):
+            for row in range(1, self.height-1):
+                cpt = 0
+                for x, y in ((0, 1), (1, 0), (-1, 0), (0, -1)):
+                    if phys_map[row+y][col+x] in (PhysTile.GRD, PhysTile.TPT):
+                        cpt += 1
+                        if cpt == 2:
+                            break
+                if cpt < 2:
+                    return False
+        # we have to verify if there is only 1 connexity component of (PhysTile.GRD, PhysTile.TPT, PhysTile.BPD, PhysTile.SPD)
+        if not connex(phys_map):
+            return False
+
+        return True
+
+    def get_tile(self, x, y):
+        return self.phys_map[y][x]
+    
+    def create_cross_layer(self):
+        dictionnary = {
+            (0, 1):CrossTile.DOWN,
+            (0, -1): CrossTile.UP,
+            (1, 0): CrossTile.RIGHT,
+            (-1, 0): CrossTile.LEFT
+        }
+        for row in range(self.height):
+            self.intersect_map.append([])
+            for col in range(self.width):
+                if not self.get_tile(col, row) in (PhysTile.GRD, PhysTile.TPT):
+                    self.intersect_map[-1].append(0)
+                if self.get_tile(col, row) in (PhysTile.GRD, PhysTile.TPT):
+                    cpt = 0
+                    for dir in dictionnary:
+                        test_col = (col + dir[0]) % self.width
+                        test_row = (row + dir[1]) % self.height
+                        if self.get_tile(test_col, test_row) in (PhysTile.GRD, PhysTile.TPT):
+                            cpt |= dictionnary[dir]
+                    self.intersect_map[-1].append(cpt)
+
+    def draw(self, surf):
+        surf.blit(self._surf, (0, 0))
+
+    def decode_map(self, img_file):
+        img = Image.open(img_file)
+        dictionnary = {
+            (0  ,   0,   0): PhysTile.GRD,
+            (255,   0, 255): PhysTile.GCF,
+            (0  ,   0, 255): PhysTile.WAL,
+            (0  , 255,   0): PhysTile.GSD,
+            (0  , 255, 255): PhysTile.GWL,
+            (255,   0,   0): PhysTile.TPT,
+            (255, 255,   0): PhysTile.FIT,
+        }
+        data = list(img.getdata())
+        matrix = []
+        for row in range(img.height):
+            matrix.append([])
+            for col in range(img.width):
+                try:
+                    color = data[col + row*img.width][:3]
+                    tile = dictionnary[color] # avoid alpha component
+                    self._surf.fill(color, pygame.Rect(col*20, row*20, 20, 20))
+                except:
+                    raise ValueError("Pixel " + str(col) + "," + str(row) + " is invalid")
+                matrix[-1].append(tile)
+        return matrix
+
+
+
+def explore(matrix, x=-1, y=-1):
+    """explore the given matrix and change it (GRD and TPT become FIT)"""
+    if x < 0 and y < 0:
+        # searching the beginning
+        for row in range(len(matrix)):
+            for col in range(len(matrix[0])):
+                if matrix[row][col]:
+                    explore(matrix, col, row)
+    elif matrix[y][x] in (PhysTile.TPT, PhysTile.GRD):
+        matrix[y][x] = PhysTile.FIT
+        for col, row in ((0, 1), (1, 0), (0, -1), (-1, 0)):
+            explore(matrix, (x+col)%len(matrix[0]), (y+row)%len(matrix))
+
+
+def connex(matrix, x=-1, y=-1):
+    """return True if the matrix is connex - has only one connexity part"""
+    temp = deepcopy(matrix)
+    explore(temp)
+    if any(tile in (PhysTile.GRD, PhysTile.TPT) for row in temp for tile in row):
+        return False
+    return True    
+
+def get_one_in_digit(number):
+    cpt = 0
+    while number:
+        cpt += number & 1
+        number //= 2
+    return cpt
diff --git a/livrables/1/pacmap_maze1.png b/livrables/1/pacmap_maze1.png
new file mode 100644
index 0000000..503e9b9
Binary files /dev/null and b/livrables/1/pacmap_maze1.png differ
diff --git a/livrables/1/pacmap_rule.txt b/livrables/1/pacmap_rule.txt
new file mode 100644
index 0000000..2966272
--- /dev/null
+++ b/livrables/1/pacmap_rule.txt
@@ -0,0 +1,9 @@
+each wall (excluding the exterior one) have a width of at least 2 (can be filled with FIT tiles)
+RGB code:
+GRD	0	0	0       // ground tile
+GCF	255	0	255     // ghost cell floor tile
+WAL	0	0	255     // wall tile
+GSD	0	255	0       // ghost door tile
+GWL	0	255	255     // ghost wall tile
+TPT	255	0	0       // teleporter tile
+FIT	255	255	255     // fully inaccessible tile (tiles between walls)
diff --git a/livrables/1/physic_engine.py b/livrables/1/physic_engine.py
new file mode 100755
index 0000000..5947932
--- /dev/null
+++ b/livrables/1/physic_engine.py
@@ -0,0 +1,21 @@
+from pacmap import *
+from pacman import *
+
+class PhysicEngine:
+    def __init__(self, c_pacmap: Map, c_pacman: Pacman):
+        self.pacmap = c_pacmap
+        self.pacman = c_pacman
+        self.entities = [] # ghosts
+    
+    def move_all(self):
+        # pacman movement
+        next_pac_tile = self.pacman.next_matrix_position()
+        pac_res = self.pacman.resolution
+        if self.pacman.is_at_center_tile():
+            if self.pacman.next_direction != direction.none and self.pacmap.get_tile(*self.pacman.get_next_dir_tile()) in (PhysTile.GRD, PhysTile.TPT):
+                self.pacman.change_to_next_dir()
+                self.pacman.move()
+            elif self.pacmap.get_tile(*next_pac_tile) in (PhysTile.GRD, PhysTile.TPT):
+                    self.pacman.move()
+        else:
+            self.pacman.move()
\ No newline at end of file
diff --git a/livrables/1/test_connexity.py b/livrables/1/test_connexity.py
new file mode 100755
index 0000000..e9553eb
--- /dev/null
+++ b/livrables/1/test_connexity.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+import pacmap
+
+maps = [
+    [
+        [4, 1, 1, 1, 3, 1, 1, 4],
+        [1, 0, 0, 0, 0, 0, 0, 1],
+        [1, 0, 1, 1, 0, 1, 0, 1],
+        [3, 0, 1, 0, 0, 1, 0, 3],
+        [1, 0, 0, 0, 1, 0, 0, 1],
+        [1, 1, 1, 0, 0, 0, 1, 1],
+        [4, 4, 1, 1, 3, 1, 1, 4],
+    ],
+    [
+        [4, 1, 1, 1, 3, 1, 1, 4],
+        [1, 1, 1, 1, 0, 1, 1, 1],
+        [1, 1, 1, 1, 0, 1, 1, 1],
+        [1, 1, 1, 1, 0, 1, 1, 1],
+        [1, 1, 1, 1, 0, 1, 1, 1],
+        [1, 1, 1, 1, 0, 1, 1, 1],
+        [4, 1, 1, 1, 3, 1, 1, 4],
+    ],
+    [
+        [4, 1, 1, 1, 3, 1, 1, 4],
+        [1, 1, 1, 1, 0, 1, 1, 1],
+        [1, 1, 1, 1, 0, 1, 1, 1],
+        [1, 0, 0, 1, 0, 1, 1, 1],
+        [1, 0, 0, 1, 0, 1, 1, 1],
+        [1, 1, 1, 1, 0, 1, 1, 1],
+        [4, 1, 1, 1, 3, 1, 1, 4],
+    ],
+    [
+        [4, 1, 1, 1, 3, 1, 1, 4],
+        [1, 1, 1, 1, 0, 1, 1, 1],
+        [1, 1, 1, 1, 0, 0, 0, 1],
+        [1, 1, 1, 1, 1, 1, 0, 1],
+        [3, 0, 0, 0, 0, 1, 0, 3],
+        [1, 1, 1, 1, 0, 1, 1, 1],
+        [4, 1, 1, 1, 3, 1, 1, 4],
+    ]
+]
+
+for pac_map in maps:
+    is_connex = pacmap.connex(pac_map)
+    print(is_connex)
\ No newline at end of file
diff --git a/livrables/1/test_load_picture.py b/livrables/1/test_load_picture.py
new file mode 100755
index 0000000..4266aef
--- /dev/null
+++ b/livrables/1/test_load_picture.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+from pacmap import decode_map
+import sys
+
+if __name__ == '__main__':
+    if len(sys.argv) > 1:
+        matrix = decode_map(sys.argv[1])
+    else:
+        matrix = decode_map("../pacmap_maze1.png")
+    for row in matrix:
+        print()
+        for el in row:
+            print(el.value, end=' ')
\ No newline at end of file