[Fig.] Crazy verification code

by benzsir on 2007-07-30 09:41:57

I believe many people have seen the CAPTCHA made of advanced math problems. Now, we've listed another 20 more BT (intense/difficult) CAPTCHAs.

Google AdSense Ad Background Beautification Code
2007-7-15 21:37
Download of over 60 JS ad codes
2007-6-29 16:50
The strongest capTCHA ever
2007-6-7 23:25
The first Chinese WIKI open source
2007-6-2 11:9