Not unless your game is less than a few gigs in total size. The average size of a 3d simulation game is much larger than the 8/16gb of memory on typical gaming

Not unless your game is less than a few gigs in total size. The average size of a 3d simulation game is much larger than the 8/16gb of memory on typical gaming rigs. KSP loaded literally everything, every texture, at startup. The only time the drive was touched after that was for saves.