Following CS50 Harvard tutorial for game development using LÖVE Framework.
https://youtube.com/playlist?list=PLhQjrBD2T383Vx9-4vJYFsJbvZ_D17Qzh
push (https://github.com/Ulydev/push)
class (https://github.com/vrld/hump)
knife (https://github.com/airstruck/knife)
Provided by https://github.com/games50
https://opengameart.org/users/buch
http://freesound.org/people/joshuaempyre/sounds/251461/
http://www.soundcloud.com/empyreanma