[Kiboneu]

Check out “Game Feel: A Game Designer's Guide to Virtual Sensation” by Steve Swink.

To some extent, responsiveness is a perception based on expectations derived from the visual and acoustical elements of a game. So on top of engine-level optimizations, there are artistic tricks that can further improve the sense of responsiveness.

Think Kiki and Bouba, and how each one would move, race and fight.