Rex the Runt How Dinosaurs Became Extinct. Word Search Puzzle Solver. Rex the Runt How Dinosaurs Became Extinct word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Our plasticine pooch pal Rex welcomes us to his world introduces us to his friends and illustrates how Bad Bob caused dinosaurs' extinction (whoops!) This includes identifying and searching for words that are related to : Kevin Wrench, Kevin Wrench, Comedy, Animation, Fantasy, Andrew Franks, Elizabeth Hadley, Fantasy, Andrew Franks, Elizabeth Hadley, Comedy, Animation .