how much time and energy goes into the developmetn of a video game is by no means common sense. --- If you believe in Jesus Christ and are 100% proud of it, put this in your sig. http://www.gamefaqs.com/boards/960188-call-of-duty-black-ops/59821100
Likely several years now. They could've even had a smaller team beginning to work on the engine after the release of B/W, and dedicated their entire efforts to X/Y after B2/W2. --- lee-oh-leh-ee-ah. It is perfectly okay to write garbage--as long as you edit brilliantly. --Carolyn Janice Cherryh
I'd say they probably have been working on this since the release of BW. When they started and how the process has gone since then, I'd have no idea (obviously). But pokemon Generations generally last 3 or so years. Not too surprising when you think about it. --- FC Black 2: 2752 8681 7430 "Lebron James finally got a ring. Anything can happen now, I guess." - Myself.