Description: Play the best online Mortar.io free at Friv Action Games. Including Mortar.io, Friv Normal, Friv Games, Friv4school online! Mortar.io has free games that you can play Friv games online. Friv 2574 new free games are always being added. Join the fun and let your boys and girls be entertained for hours in Mortar.io on FrivNormal.com!