Laser Rifle:To unlock the Laser Rifle, beat the game on Normal difficulty. The Laser Rifle can be used on Hard difficulty.Hard difficulty:To unlock hard difficulty, complete Story mode.Achievements:ACHIEVEMENT – HOW TO UNLOCKWelcome to the Jungle (30 points) – Kill 50 Deinonychus.Raptor Extinction (50 points) – Kill 100 Deinonychus.Woah (25 points) – Kill a dinosaur during an Adrenaline Burst.Not so Fast (50 points) – Kill 3 Raptors during a single Adrenaline Burst.Adrenaline Junkie (50 points) – Kill 25 dinosaurs during Adrenaline Bursts.These are not the Hammer (50 points) – Kill 20 dinosaurs using melee attacks.Gunman (25 points) – Kill a dinosaur using each weapon.Firepower (30 points) – Kill 50 dinosaurs using stationary weapons.Dinomite! (25 points) – Kill 50 Raptors with a single shot each.Six Foot Turkey (25 points) – Kill a Utahraptor.What a Prick (50 points) – Survive a Spinosaurus attack.I