Press down + Start on kano at the select screen. You should hear a noise and see the screen shake. this will enable a very hard tower all the way on the right. You will start by fighting chameleon and the rest are endurances and bosses. There are no regular battles.
Spoilers: (Highlight to reveal)
Just so you know the actual "secrets of MKT" themselves are not worth it, for me though I have no regrets because it was a challange I had to overcome and I did, you get alot of experiance and overall, a very memorable night... of yelling at the TV. Honeslty though I would do it again.
This one actualy reveals the secrets, don't actually highlight this one unless your really desperate..
Spoilers: (Highlight to reveal)
They showed like 3 or 4 secrets that are all known by now.
One was a code for getting the question marks in options (which I heard wasfor a beta version)
one was a kombat code
and one was a message that I don't remember
