Watch as the T-Rex and the Mammoth fight for supremacy. Play Jurassic Giants free demo from Pragmatic Play. The fight is on between the fearless T-Rex and the mighty Mammoth. The two top-paying symbols are the Mammoth. The fight is on between the fearless T-Rex and the mighty Mammoth. Jurassic Giants is an online slot developed by Pragmatic Play that has six reels, four rows and 4,ways-to-win. Try without cost, just for fun. Explore the prehistoric jungles in Jurassic Giants™, the 4×6, ways to win videoslot. Hit. Demo play for fun, no download or registration required. Jurassic Giants is a 6x4 online slot with 4, ways to win. It awards winning lines from left to the right and from right to left on adjacent. New players can get 25 Free Spins and % up to $ on their first deposit to explore the prehistoric jungles in Jurassic Giants slot, which is a 4x6. The slot includes ways to win and can provide up to spins with the stacked scatter symbols. Explore the prehistoric jungles in Jurassic Giants™, the 4×6, ways to win videoslot. . Play Jurassic Giants slot completely for free, without spending any money. The best way to learn the rules, features and how to play the game.