Scientists have demonstrated that dramatic, positive changes can occur in our lives as a direct result of facing an extreme challenge - whether it's coping with a serious illness, daring to quit smoking, or dealing with depression. Researchers call this 'post-traumatic growth.'

I didn't accomplish what I set out to do, but I realized I had set out to do the wrong things

When we play games, our brains respond differently to stress and obstacles. We're better able to control our attention and ignore distractions.

If you make it a game, gamers will play it no matter what your motivation is in making it.

I'm not a fan of simulations. Where, 'Oh, we'll go play a simulation of world peace and figure out how to make peace' and then somehow magically that will get translated into the real world. No, that's not the kind of games that I make.

I see a future in which games once again are explicitly designed to improve quality of life, to prevent suffering, and to create real, widespread happiness.

Games are unnecessary obstacles we volunteer to tackle.