Assassin's Creed Brotherhood – Multiplayer Unlocks

In Assassin's Creed Brotherhood you will level up as you play the multiplayer through a number of ways. Your finishing position, the quality and number of kills, managing to escape your pursuers, etc. With your progression you will unlock a number of different benefits that you can choose from for each game. These unlocks can be different characters, new abilities, perks or bonuses.

Character Unlocks
Blacksmith – Level 15
Thief – Level 25
Footpad – Level 35
Mercenery – Level 45

Special Unlocks
Harlequin – Preorder Bonus Character
Officer – Preorder Bonus Characters
Hellequin – Unlock through Uplay

Ability Unlocks
Level 2 – Disguise
Level 3 – Sprint Boost
Level 6 – Smoke Bomb
Level 8 – Hidden Gun
Level 11 – Templar Vision
Level 14 – Morph
Level 16 – Fire-crackers
Level 19 – Throwing Knives
Level 21 – Charge
Level 24 – Decoy
Level 26 – Mute
Level 29 – Poison
Level 32 – Disguise lvl. 2
Level 34 – Sprint Boost lvl. 2
Level 36 – Smoke Bomb lvl. 2
Level 37 – Hidden Gun
Level 39 – Fire-crackers lvl. 2
Level 41 – Morph lvl. 2
Level 43 -  Throwing Knives lvl. 2
Level 44 – Templar Vision lvl. 2
Level 47 – Decoy lvl. 2
Level 49 – Poison lvl. 2

Streak Unlocks
Level 4 – Extra Sensitivity (3 Loss Streak)
Level 7 – 3 Kill Streak
Level 9 – Reset Cooldowns (3 Loss Streak)
Level 13 – 3 Silent Kill Streak
Level 17 – Score x2 (5 Loss Streak)
Level 18 – 5 Kill Streak
Level 28 – Boost Cooldowns (5 Loss Streak)
Level 31 – 5 Silent Kill Streak

Perk Unlocks
Level 20 – Enhanced Auto-Bash
Level 22 – Wall Runner
Level 27 – Resistance
Level 30 – Blender
Level 33 – Fast Getaway
Level 38 – Chase Expert
Level 40 – Overall Cooldowns
Level 42 – Silent Hunt

Ability and Perks Slots, Profiles and Pack Unlocks
Level 2 – Ability Slot 1
Level 5 – Profile #2
Level 10 – Ability Slot 2 and Profile #3
Level 12 – Colors Pack 1
Level 15 – Profile 4
Level 20 – Perk Slot 1, Profile #5
Level 23 – Gear Pack #1
Level 30 – Perk Slot 2
Level 35 – Colors Pack 2
Level 40 – Gear Pack #2
Level 50 – Colors Pack 3 and Gear Pack 3