What is RumbleLegends? Rumble Legends is a game centered around breeding, collecting, and fighting two species, Unicorns and Dinosaurs. These characters are 100% owned by you, they cannot be replicated, taken away or destroyed. For complete information visit our Game Design Document. Unicorns vs Dinosaurs is a P2P (peer to peer) and PvP (player vs player) game build with smart contracts on top of Ethereum blockchain. The concept of the game is to acquire unicorn and dinosaur characters to compete against other people in different challenges. Each character has unique visual and physical characteristics, as well as an element and skill. Each of these attributes can give you an advantage in different challenges. You can also breed your characters to discover new species, attributes, and skills.