diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..28e7d16
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+pygame == 2.3.0
\ No newline at end of file
diff --git a/res/tiles.png b/res/tiles.png
new file mode 100644
index 0000000..474cc23
Binary files /dev/null and b/res/tiles.png differ
diff --git a/src/main.py b/src/main.py
new file mode 100644
index 0000000..593d0d7
--- /dev/null
+++ b/src/main.py
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+import pygame as pg
+import random
+
+class SimulationState:
+    def __init__(self):
+        self.agent_pos = pg.Vector2(0, 0)
+        self.world_limits = pg.Vector2(25, 13)
+
+    def updateAgent(self, move_agent):
+        self.agent_pos += move_agent
+
+        if self.agent_pos.x < 0:
+            self.agent_pos.x = 0
+        elif self.agent_pos.x > self.world_limits.x:
+            self.agent_pos.x = self.world_limits.x - 1
+
+        if self.agent_pos.y < 0:
+            self.agent_pos.y = 0
+        elif self.agent_pos.y > self.world_limits.y:
+            self.agent_pos.y = self.world_limits.y - 1
+
+
+class Interface:
+    def __init__(self):
+        pg.init()
+
+        # stan symulacji
+        self.simulation_state = SimulationState()
+        self.move_agent = pg.Vector2(0, 0)
+
+        # tilesy
+        self.cell_size = pg.Vector2(64, 64)
+        self.textures = pg.image.load("../res/tiles.png")
+
+        # okno
+        pg.display.set_caption("Inteligentna śmieciarka")
+        self.window = pg.display.set_mode((1600, 832))
+        self.simulation_state.world_limits.elementwise() * self.cell_size
+
+        # dla pętli
+        self.clock = pg.time.Clock()
+        self.run_simulation = True
+
+    def processUserInput(self):
+        self.move_agent = pg.Vector2(0, 0)
+
+        for event in pg.event.get():
+            if event.type == pg.QUIT:
+                self.run_simulation = False
+                break
+            elif event.type == pg.KEYDOWN:
+                if event.key == pg.K_ESCAPE:
+                    self.run_simulation = False
+                    break
+                elif event.key == pg.K_RIGHT:
+                    self.move_agent.x += 1
+                elif event.key == pg.K_LEFT:
+                    self.move_agent.x -= 1
+                elif event.key == pg.K_DOWN:
+                    self.move_agent.y += 1
+                elif event.key == pg.K_UP:
+                    self.move_agent.y -= 1
+
+    def processSimulationInput(self):
+        move_x = random.randint(-1, 1)
+        move_y = random.randint(-1, 1)
+
+        self.move_agent = pg.Vector2(move_x, move_y)
+
+    def update(self):
+        self.simulation_state.updateAgent(self.move_agent)
+
+    def render(self):
+        self.window.fill((8, 68, 0))
+
+        agent_pos = self.simulation_state.agent_pos.elementwise() * self.cell_size
+
+        agent_texture_pos = pg.Vector2(2, 0).elementwise() * self.cell_size
+        agent_texture = pg.Rect(int(agent_texture_pos.x),
+                                int(agent_texture_pos.y),
+                                int(self.cell_size.x),
+                                int(self.cell_size.y))
+
+        self.window.blit(self.textures, agent_pos, agent_texture)
+
+        pg.display.update()
+
+    def loop(self):
+        while self.run_simulation:
+            self.processUserInput()
+            self.processSimulationInput()
+            self.update()
+            self.render()
+            self.clock.tick(6)
+        pg.quit()
+
+
+simulation = Interface()
+simulation.loop()