Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
1-Up ( 25 points )	Kill 1 enemy using an exploding mushroom.
Adrenaline Junkie ( 50 points )	Kill 25 dinosaurs during Adrenaline Bursts.
Blast in the Past ( 25 points )	Kill 20 Dinosaurs with grenades.
Chicken Chaser ( 20 points )	Kill 50 Velociraptors.
Crispy Critters ( 25 points )	Kill 5 Scorpions with the RPG.
Death from Below ( 25 points )	Kill 1 Pterosaur with a grenade.
Dinomite! ( 25 points )	Kill 50 Raptors with a single shot each.
Firepower ( 30 points )	Kill 50 dinosaurs using stationary weapons.
Gunman ( 25 points )	Kill a dinosaur using each weapon.
Handyman ( 25 points )	Complete any fortification objective without the dinosaurs getting in.
Hard as Nails ( 100 points )	Complete the game on the Hard difficulty.
I'm the King ( 40 points )	Kill a Tyrannosaurus.
Life Will Find a Way ( 50 points )	Complete the game.
Not so Fast ( 50 points )	Kill 3 Raptors during a single Adrenaline Burst.
Nuck Chorris Rex ( 100 points )	Complete the game without dying.
Outta Nails ( 25 points )	Complete any fortification objective without repairing.
Pack Hunting ( 25 points )	Kill 3 Raptors with one grenade.
Plumber Stomachache ( 25 points )	Destroy 50 exploding mushrooms.
Preparing for the Future ( 25 points )	Repair all broken entrances before unlocking the gate.
Raptor Extinction ( 50 points )	Kill 100 Deinonychus.
Scorpion King ( 30 points )	Kill 50 Scorpions.
Six Foot Turkey ( 25 points )	Kill a Utahraptor.
These are not the Hammer ( 50 points )	Kill 20 dinosaurs using melee attacks.
Welcome to the Jungle ( 30 points )	Kill 50 Deinonychus.
What a Prick ( 50 points )	Survive a Spinosaurus attack.
Who Needs a Bug Zapper? ( 25 points )	Kill 50 Pterosaurs in Rise Above.
Woah ( 25 points )	Kill 1 dinosaur during an Adrenaline Burst.