Try the game here: http://grapefrukt.com/f/games/juicy-breakout/ (ESC for menu)
Fork us on github: https://github.com/grapefrukt/juicy-breakout

"A juicy game feels alive and responds to everything you do
tons of cascading action and response for minimal user input. "

Big thanks to Niklas Ström for making music and sound effects for us and to Stina for filming.

References:
http://www.robertpenner.com/easing/
http://www.game-feel.com/
http://www.gamasutra.com/view/feature/2438/how_to_prototype_a_game_in_under_7_.php
http://sol.gfxile.net/interpolation/

Emily Short - Make it juicy!
http://emshort.wordpress.com/2008/05/24/make-it-juicy/

12 Principles of Animation
http://minyos.its.rmit.edu.au/aim/a_notes/anim_principles.html

The Art of Diablo 3
http://gdcvault.com/play/1015306/The-Art-of-Diablo

Easing related:
https://www.evernote.com/shard/s1/note/c1b7f010-4564-46d9-a8c2-083d8e014b93/closetgeekshow/interactive_linkbomb#b=17e9243e-1ea9-4c2d-a6f3-48fed720f3f6&n=c1b7f010-4564-46d9-a8c2-083d8e014b93
http://…