Character sets...
	Various Steam Achievements...

There are only 4 character sets, instead of 5 in Worms 4 Mayhem. Alien character set is already available to be purchased in the Item Shop. Each character set can be bought for 200 coins instead of 500 in Worms 4 Mayhem.

Set	How to unlock
Cyborg	Complete the tutorials.
Dino	Beat Team17 in all of the challenges (excluding the deathmatches).
Professer	Complete all the missions in "Story". (Not the Worms 3D Campaign).
Wormenstein	Beat Team17 in all of the deathmatch challenges.

Achievement	How to unlock
Alexander The Worm	Play an online game on each new map and win, proving you're the greatest general.
Billy No Mates	Complete the single player story mode.
Boom Shake The Worm	Win a round using only grenades and bazooka.
Cartographer	Create a random map and have someone save it to their machine.
Challenge Accepted	Take your first steps on the road to glory by completing the first challenge.
Clock Watching	Try and beat all the set times across all the challenges.
Credit To The Nation	Enjoy the game's credits from start to end.
Davey Jones	Drown 50 worms all modes count.
Davey Jones 2	Drown 20 Worms across any of the new maps.
Dedicated Ranker	Can you rise to the challenge and win a ranked Deathmatch on every new map?
Doing It Solo	Complete all Single Player content (Story, Challenges & Tutorials).
Eggceptional	Collect all the Easter Eggs hidden throughout the story mode.
Embrace The Darkness	Win 10 games with the last hit coming from a sentry gun all modes count.
Fan of The Arts	Collect all gallery images available.
Feel The Power of The Darkside	Win a ranked match with two or more worms remaining on each new map.
Finger of Death	Kill 5 worms using prod in ranked matches.
Genghis Worm!	Kill a totatl of 600 worms (all modes count).
Glide Like A Worm	Glide using the parachute in one go for more than 25 seconds.
Grave Digger	Kill a total of 200 worms (all modes count).
Halfway House	Reach the halfway point of the story mode.
I am The Worminator	Kill more than 3 worms in one turn (ranked match only).
I Love New	Play each new map more than 5 times (all modes count).
If You Build It They Will Die	Inflict 2000 damage in total using weapon factory built weapons.
Join Me Luke	Win a ranked Deathmatch on a new map with at least one worm ending with more health than they started with.
Loves a Challenge	Complete all the challenges.
Loves Company	Complete 10 online ranked matches.
Mr Popular	Complete 5 four player games (online or offline).
Nick of Time	Complete one challenge under the required time.
No Challenge At All	Complete the deathmatch challenge.
Pimp My Worm	Creat a team of worms including custom clothes.
Ranked Up	Win 10 online ranked matches.
Shop-a-holic	Purchase the Kitchen Sink game style.
Slide into First	Complete any mission.
Teacher's Pet	Complete the tutorials.
Time Attacked	Beat all the times on the new challenges.
Time For A Challenge	Complete all the challenges.
Total Ranker	Win 50 online ranked matches across any 3 game styles.
Wormicide	Kill a total of 400 worms all modes count.