No tween animation
Animation has only keyframes and possible extremes, but no tween frames or interpolation.
Alternate names: No inbetweens animation, Inbetweenless animation
The first video game about No tween animation was released on January 19, 2016.
Red Hook Studios has published all these games
There doesn't appear to be a name for this sort of animation, besides at most low framerate or incomplete animation.