Before this happened my nickname was ABSOLUT now it is r_ABSOLUT0. Why did it change without my permision ?
Your nickname was changed following the changes to our nicknames policy:
Please note you can always request a new name for free by sending an email to the support team. All instructions in the link above.
My other username was railgun0 what has it changed to now ?
Hey, nicknames get renamed as explained in the FAQs section of this article. You can guess using that information and search for your account in Ratings.
If you cannot guess or find it, please contact Technical Support as directed here. Maybe they can help you with this.
Customer support service by UserEcho