diff --git a/CREDITS b/CREDITS
index 597a386..d37198c 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1,7 +1,10 @@
 Thanks to OpenGameArt and:
-    Kay Lousberg for the 2d Guns assets: https://opengameart.org/content/2d-guns
     2D_Platformerguy for the music: https://opengameart.org/content/electronic-music-chiptune-3
     TinyWorlds for the death sound effect: https://opengameart.org/content/explosion-0
+
+The gun icons used in this project are from game-icons.net.
+Licensed under the Creative Commons Attribution 3.0 International License (CC BY 3.0): https://creativecommons.org/licenses/by/3.0/
+
 Huge Thanks to Python for being the programming language used in this game.
 https://www.python.org/
 
diff --git a/assets/graphics/assaultrifle.png b/assets/graphics/assaultrifle.png
index 8f2bf42..a6fe203 100644
Binary files a/assets/graphics/assaultrifle.png and b/assets/graphics/assaultrifle.png differ
diff --git a/assets/graphics/minigun.png b/assets/graphics/minigun.png
new file mode 100644
index 0000000..e324b5a
Binary files /dev/null and b/assets/graphics/minigun.png differ
diff --git a/assets/graphics/pistol.png b/assets/graphics/pistol.png
index 510ba06..8a0b759 100644
Binary files a/assets/graphics/pistol.png and b/assets/graphics/pistol.png differ
diff --git a/assets/graphics/revolver.png b/assets/graphics/revolver.png
index da5bafb..e69de29 100644
Binary files a/assets/graphics/revolver.png and b/assets/graphics/revolver.png differ
diff --git a/assets/graphics/smg.png b/assets/graphics/smg.png
index 299e533..639da28 100644
Binary files a/assets/graphics/smg.png and b/assets/graphics/smg.png differ
diff --git a/assets/graphics/sniper.png b/assets/graphics/sniper.png
index 3bb9d90..35aa602 100644
Binary files a/assets/graphics/sniper.png and b/assets/graphics/sniper.png differ
diff --git a/game/inventory.py b/game/inventory.py
index 0a3644b..c8b919a 100644
--- a/game/inventory.py
+++ b/game/inventory.py
@@ -1,7 +1,7 @@
 from ursina import Entity, Quad, color, camera, held_keys, destroy
 
 class Inventory():
-    def __init__(self, x=0, y=4.5, width=12, height=1, slots=5):
+    def __init__(self, x=0, y=4.5, width=1.2, height=0.1, slots=5):
         self.width = width
         self.height = height
         self.x = x
@@ -32,9 +32,9 @@ class Inventory():
         if key.isnumeric() and int(key) <= self.slot_number:
             self.switch_to(int(key) - 1)
 
-        if key == "scroll up":
+        if key == "scroll down":
             self.switch_to(min(self.slot_number - 1, self.current_slot + 1))
-        elif key == "scroll down":
+        elif key == "scroll up":
             self.switch_to(max(0, self.current_slot - 1))
 
     def create_grid(self):
@@ -43,9 +43,9 @@ class Inventory():
                 parent = camera.ui,
                 model = Quad(radius=.015),
                 texture = 'white_cube',
-                scale = (self.slot_width * 0.1, self.height * 0.1),
-                origin = (-slot * (self.slot_width / 2), 0),
-                position = (-.55, -.4),
+                scale = (self.slot_width, self.height),
+                origin = (-slot * (self.slot_width * 7), 0),
+                position = (-.7, -.4),
                 color = color.gray if slot != self.current_slot else color.white
             )
 
@@ -56,9 +56,9 @@ class Inventory():
             parent = camera.ui,
             model = Quad(radius=.015),
             texture = item,
-            scale = (self.slot_width * 0.1, self.height * 0.1),
-            origin = (-slot * (self.slot_width / 2), 0),
-            position = (-.55, -.4),
+            scale = (self.slot_width, self.height),
+            origin = (-slot * (self.slot_width * 7), 0),
+            position = (-.7, -.4),
             z=-1,
             color = color.gray if slot != self.current_slot else color.white
         )
diff --git a/utils/constants.py b/utils/constants.py
index 25159b3..ed0f651 100644
--- a/utils/constants.py
+++ b/utils/constants.py
@@ -9,6 +9,7 @@ enemy_health = 100
 weapons = {
     "assault_rifle": {"dmg": 20, "atk_speed": 0.2, "image": "assets/graphics/assaultrifle.png"},
     "smg": {"dmg": 10, "atk_speed": 0.1, "image": "assets/graphics/smg.png"},
+    "minigun": {"dmg": 2, "atk_speed": 0.02, "image": "assets/graphics/minigun.png"},
     "pistol": {"dmg": 100 / 3, "atk_speed": 1 / 3, "image": "assets/graphics/pistol.png"},
     "revolver": {"dmg": 50, "atk_speed": 1 / 2, "image": "assets/graphics/revolver.png"},
     "sniper": {"dmg": 100, "atk_speed": 1, "image": "assets/graphics/sniper.png"},