diff --git a/config/constants.py b/config/constants.py
index 0fa60a3..febbb66 100644
--- a/config/constants.py
+++ b/config/constants.py
@@ -19,8 +19,8 @@ SELECTION_GRAY = (128, 128, 128, 80)
 SELECTION_BORDER = (80, 80, 90)
 
 # Grid settings
-GRID_WIDTH = 30
-GRID_HEIGHT = 25
+GRID_WIDTH = 100
+GRID_HEIGHT = 100
 CELL_SIZE = 20
 RENDER_BUFFER = 50
 
diff --git a/core/renderer.py b/core/renderer.py
index 2259613..bb5e46a 100644
--- a/core/renderer.py
+++ b/core/renderer.py
@@ -5,6 +5,7 @@ import pygame
 import math
 from config.constants import *
 from world.base.brain import CellBrain
+from world.objects import DefaultCell
 
 
 class Renderer:
@@ -98,6 +99,9 @@ class Renderer:
             return
 
         for obj in world.get_objects():
+            if not isinstance(obj, DefaultCell):
+                continue
+
             obj_x, obj_y = obj.position.get_position()
             radius = obj.interaction_radius
 
diff --git a/world/objects.py b/world/objects.py
index 03448d9..011ff08 100644
--- a/world/objects.py
+++ b/world/objects.py
@@ -350,7 +350,7 @@ class DefaultCell(BaseEntity):
 
         movement_cost = abs(output_data["angular_acceleration"]) + abs(output_data["linear_acceleration"])
 
-        self.energy -= (self.behavioral_model.neural_network.network_cost * 0.03) + 1 + (0.3 * movement_cost)
+        self.energy -= (self.behavioral_model.neural_network.network_cost * 0.1) + 1 + (0.3 * movement_cost)
 
         return self