You get an achievement
There will probably be a halo 4 and if there is yes Master chief will be in it because if you complete halo 3 on legendary you see that he survives in cryo sleep. =]
no
Pre-order halo 4 because its much cheaper.
no there isn't nor will there ever will be however there will be for halo 4
The legendary ending shows the half of the ship Master chief is in heading towards and unknown plant. So i assume that it is about what happens there.
No. There will not be a Halo 4. Halo is a trilogy. There are other games that are halo games though, Halo Wars, Halo: Recon. There might be though because at Legendary it shows that Master Chief and Cortana froze themselves so they a'rent dead
Yes but only if you beat Halo 4's campaign on Legendary. I suggest co-op. That's the easiest
not sure but the enemies are sentinals and the flood on the legendary forunner planet
The Type-32 Rapid Assault vehicle, or "ghosts", are present in Halo 3. They are featured in the the Vidmaster Challenge named "Annual": Vidmaster Challenge: Annual After 9/25/08, complete Halo on 4-player Legendary LIVE co-op, with Iron, and everyone in Ghosts.
there are alot of special achievements. one group are the new achievementsts put on by bungie, but there are also Vidmaster achievments, which are 1. find all the mythic skulls 2. in halo ODST, finish a level on legendary without throwing a grenade or shooting 3. in halo ODST, finish the last level on xbox live on legendary, with the iron skull on, only on mongeese 4. in halo 3, get to the rank of lieutenent on xbox live 5. in halo 3, get seven exp in any playlist on the seventh of the month 6. in halo 3, finish the last level of halo 3 on legendary with iron skull on, and only use ghosts, with 4 people over xbox live 7. in halo ODST, complete the 4th set on firefight on heroric, on xbox live with more people A great website to get help with these is achievementhunter.com, run by roosterteeth. Their videos will show you how to find tricks, and complete the achievements.
No one really knows yet but i would guess there is going to be.
yes there is a limited edition of halo 4 which i have already pre-ordered but their won't be any legendary edition. their is also a limited edition halo 4 console. The HALO 4 limited edition will be very much like the HALO 2 limited edition.