I dont have online connected to my xbox so the Challenges isnt lit up, how can I get alot of cR without doing challenges?

I used to get a TON of credits from forging maps, but a friend of mine told me he used to farm credits by tying a rubber band around one of his analog sticks and just spinning in place for an hour or so.

If I remember correctly, THERE IS A LIMIT TO THE AMOUNT OF CREDITS PER FORGE GAME YOU CAN GET, so you can't just keep it spinning for days on end until you're ready to collect. Try resetting it every hour or so if you'd like to do this method. I think around 5k credits is the max you can get in an offline forge game.

Don't quote me on any of this, I haven't played offline in forever.

Damn, how long do you have to be in game (and active, apparently) reach 5,000 credits in a custom game? Back when I played it, I'd be in forge for 2 hours and it would give me something like 80 credits.

It's simple...

Just play the game 24/7..

You get less credits for offline activities or potentially offline activities (such as custom games and forging) when you're connected to Xbox live.
This is done to prevent people from farming credits and reaching the rank of Inheritor in competitive matchmaking play just by attaching a rubber band to their controllers.
You'll notice if you've ever played Reach without connecting to Xbox live and then connecting to Xbox live that you lose a significant amount of credits and ranks when you connect it.
This is to compensate for any credit farming (rubber banding) that may have been done offline.

Woah wasup bluuz