The difference with Fallout 1 constraint is that in SC2 you feel the galaxy to be alive and breathing, with multiple events happen and influence each other. Whi

The difference with Fallout 1 constraint is that in SC2 you feel the galaxy to be alive and breathing, with multiple events happen and influence each other. While in Fallout you just have a timer. The world in Fallout 1 & 2 feels very static, where nothing happens without your direct intervention.