Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Behold! (20 points)	Deploy a legendary weapon that you received from a weapons crate or gravestone..
Best. Clan. Ever. (30 points)	Create your own clan, Complete with emblem.
Big Spender (20 points)	Purchase a Concrete Donkey from the in-game shop.
Confidence Boost (30 points)	Win a league Clan Match.
Ding (20 points)	Level up with a clan.
First of many (20 points)	Win a multiplayer match.
Fore! (30 points)	Kill 4 worms in a single turn..
Group Up (50 points)	Complete 'Meat In The Middle'...
High and Dry (50 points)	Complete 'Worm On Trap'...
Juggernaut (20 points)	Accumulate 300 or more health on a single worm...
Liking the Taste (20 points)	Kill a total of 10 enemy worms.
Long Winded (20 points)	Parachute for 30 seconds and successfully land in a single turn.
Make it Count (30 points)	Win a ranked multiplayer match..
Man v. Worms (50 points)	Kill a total of 300 enemy worms.
Mesmerized (100 points)	Defeat The evil Lord Mesmer.
Not again... (50 points)	Complete 'The Class Act'...
Overkill (30 points)	Deal 500 damage in a single turn.
Prod off (20 points)	Kill 5 worms with the Prod weapon...
Sergeant Swift (100 points)	Complete all Worm Ops missions in a cumulative time of 8 minutes or less.
Show-off (20 points)	Play a multiplayer match using your personally created landscape.
Sitting Pretty (20 points)	Fully customize your worms.
Steamroller (50 points)	Achieve a win streak of 5 online ranked games.
Tara's in a Pinkle (20 points)	Complete 'The Mission Before Time'...
Temple Terror (50 points)	Complete 'Fugu Fountain'...
Untouchable (40 points)	Complete story level 11 without taking any damage.
Very Moreish (20 points)	Kill a total of 100 enemy worms.
Worm for the Job (30 points)	Complete all Worm Ops missions.