diff --git a/src/classes.js b/src/classes.js
index 790a6f8..0f7ea10 100644
--- a/src/classes.js
+++ b/src/classes.js
@@ -575,7 +575,7 @@ let tutorial = new World([
     new Hitbox(v(6400, 100), v(1000, 50)),
 ])
 
-let earth1 = new World([
+var earth1 = new World([
     new Hitbox(v(-500, 600), v(1500, 50)),
     new Hitbox(v(2000, 600), v(1000, 50)),
     new Hitbox(v(1000, 600), v(50, 1000)),
@@ -628,9 +628,9 @@ let earth1 = new World([
     }),
 ])
 
-let grind = new World([
+var grind = new World([
     new Hitbox(v(-500, 200), v(1000, 50)),
     new Hitbox(v(-1500, -200), v(500, 50)),
     new Hitbox(v(1000, -200), v(500, 50)),
     new GrindHandler()
-])
\ No newline at end of file
+])