The sound files

- 1-one.ogg (http://freesound.org/people/margo_heston/sounds/197013/)
- 2-two.ogg (http://freesound.org/people/margo_heston/sounds/197016/)
- 5-five.ogg (http://freesound.org/people/margo_heston/sounds/197005/)

are taken from freesound.org under the CC BY 3.0 license (https://creativecommons.org/licenses/by/3.0/).

The infamous "Leeroy Jenkins" shout was directly taken from the original video: https://www.youtube.com/watch?v=LkCNJRfSZBU