In the 80s, The Star Wars was made into a graphic novel. The Empire Strikes back has quite a few environmental similarities with Halo.

Now Bungie has announced that their smash-hit game Halo will soon be coming in a graphic novel. The Halo Graphic Novel or HGN as Bungie says it will be named as; will be a 128-page, full colour, high quality hardcover graphic novel that will feature an anthology of original stories, including one big story, and three shorter tales.
Bungie says that we can expect it to be out by July this year.
For me, I must say that it sounds awesome indeed. I would like to have the first copy as soon as it is out. I loved the Star Wars novels so much that I still love them and I am sure Halo would be only better!
Read more in the Bungie website