Bullfrogs Home Bullfrogs 0.0 / 5 ( 0 votes ) Your Rating? Discover Bullfrogs – Play Free Now on GamePrimary! Thunderworks Games' flagship title, Bullfrogs, was designed by Keith Matejka. It's a light, family-friendly card game with easy rules and strategic gameplay. Claim ownership of the lily pads by jumping frogs onto them. The one who had the most claimed lily pads wins! Categories in which Bullfrogs is included: Soccer Sports Ball