This easter egg will be activate it when you press the character soul on the GamePad 4 times while the sould have nothing to say. This action will activate a quiz game where you will hear eight seconds of a indie game song and you need to guess which game belong to by choosing one option between the three giving on the GamePad. There are a total of sixteensongs (eight songs in the first half of the game and eight songs on the second). You can find two song per feeling.