I did once (well, actually, a family member did and I played the games he pirated). But I immediately stopped when I learned that it was an illegal practice, and from that day on I've been pretty big on anti-piracy (save for crap solutions like SOPA/PIPA)
3DS Friend Code: 0645 - 5827 - 5788
WayForward Kickstarter is best kickstarter: http://www.kickstarter.com/projects/1236620800/shantae-half-genie-hero







