It is necessary to make games you have to knowledgeable to physics.

Question

Games like pubg and etc.

Answer 1

To make games like pubg and etc., it is necessary to implement physics, since it should have realistic gravity and stuff; or the players would be just blobs of black, so yes.

Answer 2

Not all games need physics.

Answer 3

if i throw a ball forwards and it flies into space it must not be a very good game