Pretty much the only legitimate way Ive found to earn credits is to go into campaign, turn the difficulty to legendary, and play through the entire campaign 5 or 6 times, and completing all campaign challenges.

Does Halo Reach have cheat codes?

microsofts classified halo reach cheats You will have to be on the last level of the campaign. Once there, hold LEFT TRIGGER and RIGHT BUMPER. (D-pad) UP, LEFT, LEFT, RIGHT, DOWN, RIGHT, LEFT, DOWN, Y,X,A,X,A, DOWN, UP, RIGHT, RIGHT, DOWN, UP, Y,X, RIGHT BUMPER, LEFT TRIGGER, START.

How do you level up fast in Halo Reach Xbox 360?

1:223:26Halo Reach: How To Level Up Fast! - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo I want to go into campaign on maybe lone wolf and try to kill as many elites as I can and thatMoreSo I want to go into campaign on maybe lone wolf and try to kill as many elites as I can and that will build up you know 10,000 or so hit 11,000 soon hit 12,000 till you get all the way up to onyx.

How do you unlock customizations in Halo: Reach?

To unlock armor customization in Halo Reach, you have to play online multiplayer and raise your global rank. You can raise your rank by playing multiplayer via matchmaking, aka PvP, or by playing Firefight, which is a multiplayer PvE mode.