I enjoyed some MultipleBTC wagering a moment ago and found out that my free claim bonus percentage
doesn't increase.
And although I fulfilled the requirement for redeem all bonus and play without captcha,
the recaptcha form still remains.
What's wrong with me? Please let me know the reason.

Is it a new account? There are some restrictions as some people were abusing it through multi-accounting.
Multi Accounting should be stated as "Multi Account" or duplicate accounts. After you stole my deposits on the claim of Multi Accounting Abuse as you stated I removed your mini access app from my phone and also cleared my browser of everything. I went to your site Freebitco.in as an attempt to contact you because this mud throwing on this forum is getting out of control. Guess what?
When I entered freebitco.in into the chrome browser that stated and account has automatically been opened for you. This dismisses your claim of Multi Account or Duplicate Account accusation and an apology is in order and also complete access to my account should be granted without having to beg for it. Anyone try this from another device and you will see my claim is true. WAIT! Don't visit the site or an account will be automatically opened and you could lose whatever you have on deposit. In my case it was ONLY DEPOSITS, NO WINNINGS! 1.3 Million Satoshis is now worth about $65.00. So you all need to do the right thing here and do it fast. I have given these posts a rest due to a death in the family, but yeah, a mere visit to your site to email you and an account was automatically opened that I DID NOT WANT.