diff --git a/__pycache__/utils.cpython-310.pyc b/__pycache__/utils.cpython-310.pyc
new file mode 100644
index 0000000..51a6e80
Binary files /dev/null and b/__pycache__/utils.cpython-310.pyc differ
diff --git a/start.py b/master.py
old mode 100644
new mode 100755
similarity index 67%
rename from start.py
rename to master.py
index cca5996..6b0929d
--- a/start.py
+++ b/master.py
@@ -7,15 +7,12 @@ from typing import NoReturn
 from utils import *
 
 def start_game() -> int:
-    proc = Popen(['./game.py'])
+    proc = Popen(['./start_game.sh'])
     proc.communicate()
     return proc.returncode
 
 def main() -> NoReturn:
-    if len(sys.argv) != 2:
-        print(f'Usage: {sys.argv[0]} TERMINAL_DEVICE')
-        sys.exit(1)
-    show_matrix(sys.argv[1])
+    show_matrix()
     while True:
         if found_hands():
             start_game()
diff --git a/utils.py b/utils.py
index 651ba56..aa90538 100644
--- a/utils.py
+++ b/utils.py
@@ -41,8 +41,8 @@ def collect_sfx() -> None:
 def start_sfx() -> None:
     Popen(['paplay', './assets/sfx/start.mp3'])
 
-def show_matrix(term_dev: str) -> None:
-    Popen(['sh', '-c', '2>/dev/null tmatrix 1>"' + term_dev + '"'])
+def show_matrix() -> None:
+    Popen(['tmatrix'])
 
 def found_hands() -> bool:
     capture: VideoCapture = cv2.VideoCapture(0)