In the game of Cornerstone, players build and climb towers in a race to reach the top. Each turn, players build by strategically placing blocks, gaining a better vantage point for their climber, or blocking an opponent as the towers grow taller and more unstable. Matt Mette, Co-Founder of Good Company Games, told TDmonthly, "This game is universally appealing." Awards: 2009 Mensa Select; Parents' Choice Silver Honor. Launch date: October 2008.