Warning: include(): http:// wrapper is disabled in the server configuration by allow_url_include=0 in /home/public/infinitesimal-hush-hush-achievement/index.php on line 23

Warning: include(http://haitai.jp/top.php): failed to open stream: no suitable wrapper could be found in /home/public/infinitesimal-hush-hush-achievement/index.php on line 23

Warning: include(): Failed opening 'http://haitai.jp/top.php' for inclusion (include_path='.:/usr/local/php/7.2.28-nfsn1/lib/:/usr/local/php/lib/') in /home/public/infinitesimal-hush-hush-achievement/index.php on line 23

Big word for something so very, very small.

Full combo a map with CS7.8 or higher. Use HR mod to increase Circle Size.
You can also use HT mod for easier achievement.

Bill Nye the Science Guy[Hard] +HR
toby fox - Quiet Water [TheOnlyLeon's Flowing] +HR