TORRANCE, Calif., June 21, 2011 /PRNewswire/ -- Knowledge Adventure®, the leader in educational games for kids and ranked #1 in the multi-subject and math categories by NPD Research, today announced the launch of mobile games JumpStart® Roller Squash, Math Blaster® B-Force Blaster, and JumpStart® My ABC Book, extending the company's ongoing commitment to the booming mobile games sector.