Reinforcing the game's responses to each player's action by using different type of feedbacks such as graphic (VFX, animations, aesthetics), sound (SFX, music), systemic (programmation, metrics, story telling) and more (vibrations, psychology, etc…).
Make It Juicy - Lonebot 2017
“A juicy game feels alive and responds to everything you do. Tons of cascading action and response for minimal user input.” Matt Kucic (Gamasutra) - How To Prototype A Game In Under 7 Days
https://youtu.be/clRfPR9X91E?t=3551
Martin Jonasson and Petri Purho - Juice it or lose it
Martin Jonasson and Petri Purho - Juice it or lose it