Back in my CounterStrike gaming days I would also remove the Windows key because it would crash the game when accidentally pressed.
On Linux, it's my meta/compose/whatever key, so I can write äöü on UsIntl via caps-aou ( https://github.com/winks/dotfiles/blob/master/.us-intl-germa... )
Some of my most used shortcuts:
Caps + C = Chrome
Caps + S = Spotify
Caps + A = Atom
Caps + T = Terminal
+1 for removing windows key if gaming
I ended up coding a utility (in VS6!) to disable the windows key when you launched the game.
http://www.businessinsider.com/the-one-key-that-infuriates-b...
Though, that actually is interesting, and you made me read up ab bit on Japanese.
Turns out the cleaners were thorough enough to clean deep down behind a desk and turned off a surge protector that a 5-port network switch was plugged into.