Here is an EASY Way to get credits for Halo: Reach Search for an Online Matchmaking Game in Firefight 1. Ok, Obviously Try and get the most Kills 2. The game goes for 15 Minutes which is enough time to rack up some serious Headshots 3. Headshots give 5 Credits per Headshot so AIM FOR THE HEAD 4. Multikills+Headshots=Major Credits 5. So get headshots for your multikills as well 6. Killionairs get you ALOT Of credits so grab the rockets and find a group of enemies, (You know what comes next ) Another way