With my right hand currently incapacitated I need some games to play while recovering. Preferably games that are better while high on a variety of painkillers.
A) Anything you can play solely with a mouse. Get used to using one with your left hand!
B) Game Boy/Game Boy Advance emulator. I once managed to play Metroid Fusion with one hand on a keyboard, though I don't remember precisely how and I didn't beat it that way.
C) Turn based games especially.
Preferably games that are better while high on a variety of painkillers.
If I weren't at work I'd link you to Stroker, but unfortunately I'm not going to risk that for a bad joke. You'll just have to place one here yourself.
The Internet, I guess? That's like a game. Plenty of mobile games can be played mono-a-mano, too.
visual novels? and you can speak japanese so you probably have a better selection than the rest of us
Getting those installed usually takes two hands, in my experience.