Full list of all 21 Worms: Ultimate Mayhem achievements worth 350 gamerscore.The base game contains 12 achievements worth 200 Gamerscore, and there are 3 DLC packs containing 9 achievements worth 150 Gamerscore.
Complete the single player campaign
Win 40 ranked matches in total across 3 or more game modes
Purchased the Kitchen Sink
Kill a total of 200 worms (all game modes count)
Collect all the hidden Easter eggs in the game
Complete 10 online matches
Kill more than 3 worms in one turn in a ranked match
Inflict 2000 damage in total using weapon factory builds
Complete 50 percent of the story mode
Win a game using only Grenades and the Bazooka
Complete any mission
Create a team of worms with custom clothes
Take your first steps on the road to glory by completing the first challenge.
Show your mastery of the little pink fellows by completing all the challenges.
Try and beat all the set times across all the challenges.
Play an online game on each new map and win, proving you’re the greatest general
Win a Ranked Deathmatch game with at least one Worm on over 100 health at the end (any map)
Can you rise to the challenge and win a ranked Deathmatch on every new map?
Customise every aspect of a team using new downloads, all new clothes, speech bank and gravestone
Create a new weapon using a new payload then land the winning blow with it in a ranked match
In any online match kill an opposing Worm that is wearing the same new customised hat as you