Jump over the 1st obstacle
Perform the 1st headshot
Kill the 1st enemy
Jump over 20 obstacles in the same game
Damage three enemies with the same Frag grenade
Win once on every map
Win 5 multiplayer matches in a row
Finish 1st in a multiplayer match of 10 players or more
Win a Manhunt game by scoring every point for your team
Kill 20 ennemies in a row without dying
Kill an enemy with a throwing knife's ricochet
Win a game in less than 2 minutes
Kill 10 enemies in a row without firing a bullet
Perform 100 headshots
Perform 500 headshots
Perform 1000 headshots
Finish a mission without ever taking damage
Kill two enemies with a single rocket
Change the weapon
Perform the 1st grenade
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