CGR Trailers, from Classic Game Room®, presents a “Building the Fire” developer video for HEARTHSTONE™: HEROES OF WARCRAFT™ from Blizzard Entertainment. This is a collectible strategy card game for the Apple iPad, Mac and Windows PC. The universe of Warcraft shrinks down on size with this title. Get a behind the scenes look at the creation of this card game with this video that shows developers talking about the different attributes of this game. Hearthstone: Heroes of Warcraft will be available in the summer of 2013. Enjoy!