It is not in halo combat evolved proper, but you can probably get mods with a gravity hammer in it for halo custom edition. It is in halo 2 used by Tartarus but you cannot wield it. In halo 3 you can wield it i multiplayer and campaign. I have no idea about halo odst but it was not in the list of weapons not in odst so I imagine it is in there.
no. you cant
Command and Conquer
You can simple find halo 2 PC at many stores i shall list them below. 1. EB Games 2. Gamesmen 3. Dicksmith electronics 4. or simply of eBay
United Nations Space Command
All you have to do is go to programs and features (type this in on your search bar on the start icon) then find halo 2 vista on the list of programs, right click on it, you should know how to do the rest.
na halo wars is like comand and concer rip off
there is no halo zero 2 there's halo zero halo PC (1) halo for vista (2) and halo 3
Theres not meant to be one coming out that is the same type as the halo series but halo wars is coming out which I think is like the command and conquer games.
FLEETCOM means Fleet Command
United Nations Special Command
No there is only one Halo Reach. Other editions in the Halo saga include Halo, Halo 2, Halo 3, Halo Wars, and Halo ODST.