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1. Free2Play™: All players, without any time limitation, have access to all game features and updates, completely free of charge.

2. Pay2Play™: At the fanatic level, KO1 enthusiasts can benefit from premium features at a certain cost. Please visit our POWER-UP-STORE page for paid products.

New 3 day free 'BRONZE-PREMIUM' gift for new players
Account info
Please specify an account name consisting of only letters and numbers Do not use symbols. Your account name can be up to 21 characters long.
Account name: ( Necessary )
Password: ( Necessary )
Password Confirmation: ( Necessary )
Personal Information
Name: ( Necessary )
Last name: ( Necessary )
Phone number: ( Necessary )
( The activation key will be sent to this phone number via SMS. You cannot activate your account without a valid GSM phone number. .)
E-mail address:
Safety Information
Please specify a question and answer that will be used only when your account security is in danger. With this question and answer your phone number will be selected as the way to contact you to secure your account when needed.
Choose hidden question
( Necessary )
Secret Answer
( Necessary )
Terms of use
I read and accepted KO1 terms of use .
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