Caveman Rehman lives alongside the carnivorous dinosaurs 65 million years ago when it was never easy to find foods while avoiding all the dangers around. Your mission is to help Rehman to reach other side of the island where plenty of foods available and also less dinosaurs. Help him to avoid all the dangers and reach his goal. Use your weapon Stonezooka to defeat your enemies. Collect power ups like firepower, life, or invincible bonuses on your way to help you out in your mission. Use the mouse to aim and click to fire, use A key to move back, D key to move forward, and press spacebar to jump.