You executed a chain kill of 5 or more enemies
You alternated Body Armor and / or Helmet in any level at each Checkpoint
You obtained 3 star rating for Time on 15 separate occasions
You obtained 3 star rating for Style 15 times
You obtained 3 star rating for Health 15 times
You completed the Paragon ending
You completed the Renegade ending
You defeated X1
You obtained 15 Veteran statuses after a checkpoint
You achieved a style rating of 30 or more in a single battle/checkpoint
You performed 25 headshots with the Sniper Rifle
You unlocked all equipment
You completed the game
Unlock all skills
You fully upgraded a weapon
You fully upgraded a skill
You upgraded all Abilities, Biotics and Melee skills
You finished the Bonus missions
You obtained 30 pieces of Intel
You collected 1000 credits from terminals/vaults
