Lightning Strike:
The Lightning Strike will resurrect Worms from their grave. It will also give a Worm 30 points of health back and can recharge electromagnets and change whose team a Sentry Gun is on.

Unlock the following medals in the “Medal Cabinet” at the options screen by performing the corresponding tasks:

100% Complete – Get a 100% game completion.
Annihilation – Win with a lot of health.
Beserker – Kill eight or more worms in one round.
Big Spender – Buy every item in the shop.
Boffin – Successfully complete all puzzles, including the bonus levels.
Field Marshall – Win over twenty online games.
Laboratory – Successfully complete all laboratory levels, including the bonus levels.
Outstanding Bravery – Make a comeback by winning when you are losing by a lot.
Rookie – Successfully complete all training levels.
Tough Nut – Successfully complete all campaign levels, including the bonus levels.
Veteran – Play twenty online games
Winning Streak – Win five games in a row.