Alphabetor

For a given letter of the alphabet you have to press the key with succeeding one as fast as possible!

Font: http://www.1001freefonts.com/colored_crayons.font
Music: http://incompetech.com/music/royalty-free/index.ht...
Yay sound: http://freesound.org/people/zut50/sounds/162395/
Boo sound: http://freesound.org/people/freki3333/sounds/13159...
Background: http://blueamnesiac.deviantart.com/art/Chalk-Board...

Sources