Bonus Items - Have a saved game file from Rainbow Six Vegas or Splinter Cell Double Agent on your hard drive to unlock headgear items unique to each of those games available when you customize and online character.

ICS-PL Helmet: Rainbow Six Vegas saved game file.
J-E FO Helmet: Splinter Cell Double Agent saved game file .
PAS GT Helmet: Rainbow Six Vegas saved game file.
Tactical Shemagh: Splinter Cell Double Agent saved game file.

Character info - Unlock 5 decorations.

Decorations - Complete the indicated task to unlock the corresponding decoration:

Act 1 (elevated risk) decoration: Complete act 1 under elevated risk.
Act 1 (low risk) decoration: Complete act 1 under low risk, normal risk, or elevated risk.
Act 1 (normal risk) decoration: Complete act 1 under normal risk or elevated risk.

Act 2 (elevated risk) decoration: Complete act 2 under elevated risk.
Act 2 (low risk) decoration: Complete act 2 under low risk, normal risk, or elevated risk.
Act 2 (normal risk) decoration: Complete act 2 under normal risk or elevated risk.

Act 3 (elevated risk) decoration: Complete act 3 under elevated risk.
Act 3 (low risk) decoration: Complete act 3 under low risk, normal risk, or elevated risk.
Act 3 (normal risk) decoration: Complete act 3 under normal risk or elevated risk.

Master Tutorial Challenge 1: Kill all of the enemies without getting hit.
Master Tutorial Challenge 2: Kill all the enemies with one headshot per enemy.
Master Tutorial Challenge 3: Kill the tank using only one satchel charge.
Master Tutorial Challenge 4: Have your team kill all five enemies.
Mission Accomplished Decoration: Complete all secondary objectives.

Single Player Master Decoration: Unlock all other single player decorations.

Tutorial Walkthrough Decoration: Complete the tutorial.

Music videos - Complete the indicated misison to unlock the corresponding music video.

Gimme Danger: Mission 1
Battle Axe: Mission 3
Hero: Mission 7

Quick Mission Decorations - Complete the indicated task to unlock the corresponding decoration:

All weapons: Complete the game.
Bullz Eye: Have 100% accuracy.
Hawks Eye: Acquire all intels out of combat.
Iron Man: Do not get hit during the mission.
Predator: Have all fights engaged by you.
Team ELITE decoration: Have no teammates hit and have 50% of the enemies dead by your team.

Quick Mission: All weapons
Successfully complete the game.

Theater options - Complete a level to unlock its theater options.

Weapons info - Unlock 10 decorations.