If you are asking about what system Halo is made for, it is the Xbox, PC, and Mac.
Halo Wars was made in 2009, along with Halo 3 ODST
There is Halo ODST, the latest halo game being made by Bungie. Halo wars is not made by bungie
After halo 1 and before halo 3
the firt halo game was made in 2001
Yes after reach was halo combat evolved anniversary but 343 made that up to date version then they made halo 4
Bungie made the halo series.
Halo Wars was made in 2009, along with Halo 3 ODST
No only for the xbox (the first 2 are made for the xbox when halo odst, halo 3 , and halo reach are for the xbox 360)
Yes, HALO 3 ODST and HALO REACH have been made
halo 1 CE was made in 1997
Halo: Combat Evolved was the first Halo game made. The new Halo Wars is a prequel of Halo 1.
Halo CE likely stands for Halo Combat Evolved and is the title of the first made Halo game.