Full list of all 25 Worms 2: Armageddon achievements worth 350 gamerscore. It takes around 20-25 hours to unlock all of the achievements in the base game.
The base game contains 12 achievements worth 200 Gamerscore, and there are 3 DLC packs containing 13 achievements worth 150 Gamerscore.
Kill 170 enemy worms by knocking them into the water
Kill 6 enemy worms in a single turn
Deploy the fabled Holy Hand Grenade
Achieve 17 wins in each of the following Ranked Match types: Standard, Pro, Crazy Crates and Fort
Win a Pro Ranked Match in under 3 minutes
Complete the Single Player Campaign
Deploy 25 Sheep in any Ranked Match
Use the Ninja Rope 1000 times
Use fire weapons 200 times
Deploy the Armageddon weapon 10 times
Win a game using just the Grenade
Win a game by using the Prod
Win a Super Fort Match with each new Fort contained in the Battle Pack
Use all 6 new weapons and utilities from the Battle Pack in any game mode
Complete all 30 Warzone Deathmatches in the Battle Pack
Complete Puzzle 20 but have at least 1 item left in your inventory that isn't Skip Go or Surrender
Complete Puzzle 18 before Sudden Death kicks in
Complete Puzzle 17 but have at least 1 item left in your inventory that isn't Skip Go or Surrender
Complete Puzzle 11 without taking damage
Complete Puzzle 6 without taking damage
Collect all the crates on Retro 15
Complete Retro 14 without the Toy Master taking damage
Complete Retro 13 without using the Bridge Kit
Complete Retro 12 with all 3 player-worms alive
Complete Retro 5 without taking damage