Tier 1 Mode is a game mode that you must complete missions under a specific time. If you die during any part of the mission, it will cause you to restart the mission. You must be connected to xbox live to play this mode. Here are some tips to help you complete this:
- Stay back, your team will take care of some enemies, but not all of them.
- Conserve your ammo and go for kill shots. You can't request ammo from your teammates like in normal campaign. You can rarely find a weapon, so pick your shots carefully.
- If you are sprinting, pressing the will cause you to slide. Use this to quickly get to cover.
- Learn to use the cover system. It will be a good amount of help while trying to get the upper hand on some enemies.
- Take advantage of Headshots and Knife kills as they will reduce your time.
- Also take advantage of killing several enemies (or getting several headshots) in a short ammount of time as this will reduce your time.
The Par Times for each mission are as follow:
- First In - 25:00
- Breaking Bagram - 30:00
- Running with Wolves... - 20:00
- Dorthy's a Bitch - 17:30
- Belly of the Beast - 25:00
- Friends From Afar - 15:00
- Compromised - 12:30
- Neptune's Net - 15:00
- Rescue the Rescuers - 28:30