Quick Reference
Micro Interactions
Vibrations in the controller / phone when something explodes
Pulling a webpage down to refresh it
Tapping a heart icon results in the heart performing an animation instead of just turning red.
Shooter Example
Example taken from Best Practices for fast game design in Unity - Unite LA
Character has a machine gun that shoots bullets at enemies. The bullets disappear when they hit an enemy and an enemy dies when it gets hit with enough bullets.
Some Improvements:
Instead of sphere bullets make them appear like white hot projectiles
Add explosions when the bullet connects against the enemy
Add bullet shells exiting the gun
Add recoil to the gun so you see it moving when you shoot
Add muzzle flash
Add vibrations to phone when you shoot (haptic feedback)
Add death animation explosion to enemy
Add camera shake
Add dynamic lighting emitted from gun when firing
Add freeze frames on kill
Add flash highlight to screen when explosion happens.
Add bullet spread so projectiles firing everywhere.
Add slow motion when enemy dies.