In order to play Kritika Online you need a Hangame account. To can create a Hangame account you don't need phone number, but you need a KSSN. If you manage to find a valid KSSN number, here is a translated guide of how to create a Kritika accond and downloading the game in order to play:
//forum.mmo site /thread/2/3/20130324/How_to_join_Kririka_Online_OBT_Guide_to_making_acc ount-514fbfa2e98781113-1.html
true you can make a hangame account with only KSSN but it is only a login account which mean you cant play any games with it. When you start a game service it asks you for activation by phone or siren24 and both of them require phone number activation.