diff --git a/src/main.py b/src/main.py
index 08856f1..3e72348 100644
--- a/src/main.py
+++ b/src/main.py
@@ -2,6 +2,7 @@ from pathlib import Path
 import pygame as pg
 import random
 
+
 class SimulationState:
     def __init__(self):
         self.agent_pos = pg.Vector2(0, 0)
@@ -12,12 +13,12 @@ class SimulationState:
 
         if self.agent_pos.x < 0:
             self.agent_pos.x = 0
-        elif self.agent_pos.x > self.world_limits.x:
+        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:
+        elif self.agent_pos.y >= self.world_limits.y:
             self.agent_pos.y = self.world_limits.y - 1
 
 
@@ -43,6 +44,8 @@ class Interface:
         self.clock = pg.time.Clock()
         self.run_simulation = True
 
+        self.debug_mode = False
+
     def processUserInput(self):
         self.move_agent = pg.Vector2(0, 0)
 
@@ -54,6 +57,20 @@ class Interface:
                 if event.key == pg.K_ESCAPE:
                     self.run_simulation = False
                     break
+                elif event.key == pg.K_BACKQUOTE:
+                    if not self.debug_mode:
+                        self.debug_mode = True
+                    else:
+                        self.debug_mode = False
+                elif self.debug_mode:
+                    if 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)
@@ -65,8 +82,10 @@ class Interface:
         self.simulation_state.updateAgent(self.move_agent)
 
     def render(self):
-        self.window.fill((8, 68, 0))
-
+        if not self.debug_mode:
+            self.window.fill((8, 68, 0))
+        else:
+            self.window.fill((68, 8, 0))
         agent_pos = self.simulation_state.agent_pos.elementwise() * self.cell_size
 
         agent_texture_pos = pg.Vector2(2, 0).elementwise() * self.cell_size
@@ -82,7 +101,8 @@ class Interface:
     def loop(self):
         while self.run_simulation:
             self.processUserInput()
-            self.processSimulationInput()
+            if not self.debug_mode:
+                self.processSimulationInput()
             self.update()
             self.render()
             self.clock.tick(6)