You do know we already understand 60% of what each brain wave means if we find out the other 40% you could make something that makes fake brain waves that send msgs to your brain that tells your brain your seeing this or hear this and efficiently make a dream that other people could take part in if they want to the hard bit it the hard wear and the long term stress on the brain for hardcore gamers but other than that I’ve brought it with some pretty well educated people who specialise in this area and it fully possible just the strain on the hard ware (we can do it easy it will just be really expensive to make yet alone the gamer) it could confuse kids abt what’s real or not but it’s do able.