Enter your own message and then run along a Mario level, hitting the blocks, to reveal it!
Well this is a nice and different use of Phaser! Enter your own message, hiding parts of it within square braces, and then play it as a Mario level. You can make Mario run and jump and as he runs your message is displayed in the blocks of the level. If hidden, he needs to jump to hit them to reveal each letter.
Strange but interesting and full source code available too :)