diff --git a/pygame/space_invaders/requirements.txt b/pygame/space_invaders/requirements.txt
new file mode 100644
index 00000000..b4fe918b
--- /dev/null
+++ b/pygame/space_invaders/requirements.txt
@@ -0,0 +1 @@
+pygame==2.1.2
diff --git a/pygame/space_invaders/source/space_invaders.py b/pygame/space_invaders/source/space_invaders.py
index 66a2b269..111dcc96 100644
--- a/pygame/space_invaders/source/space_invaders.py
+++ b/pygame/space_invaders/source/space_invaders.py
@@ -1,10 +1,9 @@
 # Author - Kristiāns Francis Cagulis
-# Date - 06.03.2022
+# Date - 11.03.2022
 # Title - Space invaders
-# TODO: Add enemy movement in groups
 
 import pygame
-from random import randint, randrange, choice
+from random import choice
 from os.path import abspath, dirname, join
 
 WIDTH, HEIGHT = 800, 800