why does my hand hurt after gaming
You've been moving you fingers fast around remotes or other controllers, so most people (if your not my brother who can play any controller in the world) will have sore hand
Because you just wasted 3 hours playing a video game....
Carpal tunnel setting in.
Over use dummy! I've said it before and I'll say it again gamers can't be Yankers it's one or the other you chose.