I'm actually pretty free with the tears. :P
Majora's Mask, a few times. One in particular was when I let Romani get taken, just to see what happened, and I actually felt kind of sick afterward. I can't really point to a reason why, it just made me feel really guilty.
The ending of Final Fantasy IX. It just...damn.
The last segment in FEAR. 2 o'clock in the morning, after a marathon session, I was so freaked out that I actually broke a controller, and I ended up curled up in a ball on my bed. I still haven't finished.
Pokemon Silver. Not for anything in-game, but for when I finally got to the Silver Cave, saved...and had the cartridge's battery die before I could finish. That was just maddening...
I believe in honesty, civility, generosity, practicality, and impartiality.