Worms 2: Armageddon

Hey there,

I hope my solution can help you,.

To start I should say that the most difficult part about this process is conserving the fuel in you jetpack and not using much fuel along the top of the mushroom as seen in my video below.
Start by selecting the jet pack and whilst using it you should sort of feather the left Thumb stick until you get on the mushroom above,
(tapping or feathering the thumb stick will help you save fuel in the jet pack) When you are on the mushroom move yourself along the top of it by taping the left thumbstick to the right and then drop down where the nearest enemy worm is and collect the package (Girders) Now use all the fuel in you jet pack to quickly fly up to the mushroom on the right. Once that is done build a bridge over the line of mines and make sure you leave the first girder at an angle so you can get on to the bridge you are about to create and then place the other girders horizontal across the top of the mines.

Next turn, simply get on to the bridge you just made and use the parachute to get across to the mushroom where the objective/package is and Hey presto you completed the misson without any Damage.

It may help and give a better explanation if you watch the video below that I made whilst_ It is not the greatest quality as I recorded it with my Mobile/Cell phone it is sufficient enough, and in actual fact it may give you a better indication on how to use the controls for this particular achievement as you can hear me feathering the Thumb-stick in the background.

I hope this solution helps.

Cheers and good luck.

Petrolium Bear has a good working solution, but I never got the Jet Pack part down, so what I did is:
Shoot down the 2 mines laying on your side of the mushroom. If you hit them right, they roll down. Position yourself so no enemy worm can hit you (they'll only use shotgun) but stay like on the rightmost white spot of the mushroom. skip turns. The worm on the right will shoot his shotgun at you digging holes into the mushroom on which the mines are. Eventually he will shoot a hole into which the mines fall down. Play with your position to get him to place the shots right for you. If the mines are laying in holes over which you can jump or parachute, go over them and grab the box on the small mushroom. Its a teleporter. Use it to teleport to the special crate.
The tricky part of this is aiming the Uzi just right to shoot down the 2 mines nearest to you which I found easier than to conserve your jetpack.

The prior JetPack solution that has been here was giving me trouble, but I found a great guide done by Wahnsinnssache.

This solution just takes patience, about eleven minutes. But the enemy worms do all the work while you just skip your turn over and over until you can make your way to the teleport crate and then end the mission.

From the start just go as far right as you can and skip your turn with the ‘Skipping Rope’. The enemy worms will then shoot towards you through the mushrooms. Each turn just continue to skip your turn and they will continue to make a path for you to use later on.

Once they star to get close just move up to the blade of grass above you, by looking in the opposite direction and do a back flip by hitting the X button twice.

On the following turn you should have a straight forward path to the crate sitting atop the small mushroom. Get down from the blade of grass and go right and through the tunnel, once on the other side use your JetPack to go through the next tunnel made directly through the giant mushroom.

Take your time when falling down to the crate so not to take damage, once you pick up the ‘Teleport’ item simple use it to go directly over top the crate on the far right, winning the mission!

All credit goes to Wahnsinnssache, they have a video for a better understanding of what to do.