Update index.html

games/subway-clash-3d/index.html

@@ -1,4 +1,4 @@
-<iframe src="https://www.mathplayground.com/x-trench-run/index.html" style="border:0px #ffffff none;" name="myiFrame" scrolling="no" frameborder="1" marginheight="0px" marginwidth="0px" height="100%" width="100%" allowfullscreen></iframe><div style="overflow: auto; position: absolute; height: 0pt; width: 0pt;"><a href="https://iframe-html.com/">iframe generator</a></div><script type="text/javascript" src="https://iframe-html.com/if.js"></script> </div><style>.boxes2{height:212px;width:316px;} #new img{max-width:none!important;background:none!important}#iframe{max-height:none!important;max-width:none!important;background:none!important}</style></div>
+<iframe src="https://classroomjq.github.io/class276223/subway-clash-3d/" style="border:0px #ffffff none;" name="myiFrame" scrolling="no" frameborder="1" marginheight="0px" marginwidth="0px" height="100%" width="100%" allowfullscreen></iframe><div style="overflow: auto; position: absolute; height: 0pt; width: 0pt;"><a href="https://iframe-html.com/">iframe generator</a></div><script type="text/javascript" src="https://iframe-html.com/if.js"></script> </div><style>.boxes2{height:212px;width:316px;} #new img{max-width:none!important;background:none!important}#iframe{max-height:none!important;max-width:none!important;background:none!important}</style></div>
 <title>Subway Clash 3D</title>
 
 <style>