Play Red and Blue Castlewars game from Friv 2018 for free. Red and Blue Castlewars is an online Friv Action games which you can play for free here on Friv games! Are you ready to battle your friend? Throw cannonballs friv your buddy and destroy their castle. Are you up for friv red versus blue cannonball fight? Load up friv cannon and fire away. Purchase friv cannonball and launch friv . The first castle to crumble wins. Battle your friend and emerge victorious.