Yes, you can mod campaign mod on the Halo trial.
no one knows
The only way to get onto the Halo: Reach beta trial is to wait until May 3rd. Once that day hits, put in your Halo: ODST Campaign disc. From there, you can access the Beta trial.
If I understand you correctly, you want to play the entire Halo: Combat Evolved campaign on a trial version of the game. That is impossible. The trial version of Halo: CE was "packaged" with only the single-player mission "The Silent Cartographer", and the multi-player map "Blood Gulch". If you wish to play the entire campaign, you must purchase the full game at a store like Best Buy, Target, or online.
A way to edit halo campaign is to download Hmt (halo map tools) and edit the b30.map. There are different tools for editing but Hmt is one of the easiest ones to learn. I use this one my self and i learned it by myself. Zach
Yes Halo ODST's campaign is definatly going to be longer than the one in halo 3, the long campaign was one of bungies main objectives in the making of ODSTAnother answerer:No Halo 3 ODST does not have a longer campaign than Halo 3, it is only an expansion to Halo 3
you do apparently have an illegal version of Halo. get the legal version of halo to play the campaign.
no halo "campaign" is a single player game
You get the Halo 3 ODST campaign and Halo 3 multiplayer. Nothing else.
Yes. Simply google "halo trial" and you will get several pages to download the demo game from. The demo lets you play on the campaign level Silent Cartographer, and the multiplayer level Blood Gulch.
No, the trial is free. Also, you can install Halo For Windows without the trial
they don't have one yet... but u can get the halo 1 trial @ microsoft.com