The craze in Finland at the time was for physics games, in which the action in a game replicates the force and mass of the physical world instead of cartoonish explosions and speeds.

FORBES: Magazine Article

It has been obvious for centuries that if human beings are made entirely of physical stuff, and all physical stuff simply follows the laws of physics, then there is no room in human action for any causal power other than the motion of matter.

FORBES: When Brain Science is Not Enough