How to unlock the secret character

Overview

In this short guide I will show you how to unlock the secret character for Survival Mode

The Secret Code

For unlock the secret character you need to go in the character selection of Survival Mode and digitate the following code:

↑↑↓↓←→←→
(up, up, down, down, left, right, left, right)

And there you go, you unlocked Evil!

Note: If you play with a gamepad you need to use the D-Pad, while if you play with a keyboard you need to use the arrows.
Note 2: Everytime you close the game you need to re-insert the code.

Curiosity and Special Thanks

Curiosity:
– This code is a reference to the Konami Code[en.wikipedia.org];
– This is the only character that cannot be used in Campaign Mode.

Special Thanks:
Thanks to Rickyel for making me discover this little secret and for all his help!