I have a problem. I can not run.

Maybe it's from the browser. does not detect the arrow keys.
Header data:

Accept: text/css,*/*;q=0.1
Accept-Encoding: gzip, deflate, br
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3
Cache-Control   : max-age=0
Connection  :keep-alive
Host    :fbslo.net
If-Modified-Since   :Tue, 29 May 2018 16:22:22 GMT
Referer :https://fbslo.net/steemsnake/easy/index.html
TE  :Trailers
User-Agent  :Mozilla/5.0 (Macintosh; Intel …) Gecko/20100101 Firefox/65.0