diff --git a/levels.py b/levels.py
index 395ab92..560258b 100644
--- a/levels.py
+++ b/levels.py
@@ -19,7 +19,7 @@ def parse_level_from_string(string):
         level.append(
             Segment(
                 bool(raw_segment[0]),
-                float(raw_segment[1]),
+                complex(raw_segment[1]),
                 complex(raw_segment[2]),
                 tuple(map(int, raw_segment[3][1:len(raw_segment[3])-1].split(', ')))
             )
diff --git a/main.py b/main.py
index 88dfd9e..6cf93d5 100755
--- a/main.py
+++ b/main.py
@@ -3,11 +3,12 @@ from numba import jit
 
 from math import copysign, pi, acos
 from time import time
+import sys
 
 import pygame
 import pygame.freetype
 
-from levels import Segment
+from levels import Segment, open_level, parse_level_from_string
 from gyro import *
 from levels import *
 from constants import *
@@ -20,14 +21,6 @@ gOrigin = GyroVector(0,1)
 SKY = (127,127,255)
 GROUND = (102, 51, 0)
 
-level = [
-        Segment(True,.6,I*.6,(255,0,0)),
-        Segment(True,.6,-I*.6,(0,255,0)),
-        Segment(True,-.6,-I*.6,(0,0,255)),
-        Segment(True,-.6,I*.6,(255,255,0))
-        ]
-
-
 def renderDebugInfo(gPlayer, clock, fontSize = 18):
     font = pygame.freetype.Font(None, fontSize)
     font_fg = (255, 255, 255)
@@ -49,6 +42,11 @@ def mainLoop():
     debugInfo = True
     wall_buffer = []
 
+    try:
+        level = parse_level_from_string(open_level(sys.argv[1]))
+    except IndexError:
+        level = parse_level_from_string(open_level("maps/cuberoom.p3hel"))
+
     while True:
         for event in pygame.event.get():
             if event.type == pygame.QUIT:
diff --git a/maps/cuberoom.p3hel b/maps/cuberoom.p3hel
new file mode 100644
index 0000000..a586296
--- /dev/null
+++ b/maps/cuberoom.p3hel
@@ -0,0 +1 @@
+True/0.6/0.6j/(255, 0, 0)|True/0.6/-0.6j/(0, 255, 0)|True/-0.6/-0.6j/(0, 0, 255)|True/-0.6/0.6j/(255, 255, 0)
\ No newline at end of file