You have to rescue all three spirits, find the Ghost Ship, charge in there and decapitate anything that looks at you funny, recuse four snotty nosed brats, fight four snotty nosed brats in a game of Dead Man's Volley, and then you rescue her in a cutscene. If you mean restoring her to life, then beat Bellum. Well, for the first time, anyway...
Defeat Belum and and save Tetra
You must travel into the fog and use the spirits' power to locate the ship and climb on to save Tetra.
click start, which is on the corner of your ds, and click save and quit.
it automaticly lets you save
It has 2. Just like Spirit Tracks. Source: I have them
Zelda, Princess of Hyrule (usually shortened to Princess Zelda) rules the Kingdom of Hyrule, and has appeared in every game to date with the exception of Phantom Hourglass, however Tetra, who appears in the game instead, is the alter ego of Princess Zelda. Zelda will usually be captured by Ganon (or Ganondorf, depending on the game) or another villain, whom Link must save from Evil's clutches. Zelda also has her own personal theme, "Zelda's lullaby".
throw bombs at the little spots on its shell till it brakes then hit its tail
After you've found Captain Linebeck, hit a switch with your sword and the spikes trapping Linebeck will go down.
this walk through explains it really well http://mycheats.1up.com/view/section/3148977/19957/the_legend_of_zelda__phantom_hourglass/nintendo_ds
You tap menu and then you hit save hit yes hit yes or hit no
First you have to pull the levers in the right order which is 41523 then go to the cans and step on the button. Get past the ghost and go save the last sister in the top left hand corner of the top screen.
If you mean like a adventure game where you have to save somebody here are some kidnaping video games:Super Mario Bros., Zelda phantom hourglass, Drawn to life and Super princess peach. P.S. Drawn to life im not sure.