Secret level on latest Angry Birds unlocked

Rovio has just released an update for the paid version of Angry Birds over the weekend unleashing 30 new levels into the game plus a secret level that players would be able to unlock after viewing clues on a Rio TV trailer that aired during the Super Bowl game earlier.

Naturally if you’re an Angry Birds fan you’d want to know how to unlock this secret level. Head on after the jump to find out.

First we bring you the trailer. See if you can spot the hidden code. Keep a close eye on the video past the 00:26 mark.

Here’s what you’re looking for.

Here’s a video showing you how to unlock the level.

First head on over to level 13-12, then just follow the steps shown in the video. Good luck!

[via here and here]