Here is the full list of all 47 Tom Clancy's Splinter Cell Blacklist achievements worth 1,000 gamerscore.
Completed a Spies vs Mercs Weekly Challenge
Hacked 23 Blacklist Laptops
Captured 20 High-Value Targets
Collected 24 Dead Drop flash drives
Completed all of Charlie Cole's 4th Echelon Missions
Won a match in every Spies vs Mercs game mode
Unlocked a Merc's Light Machine Gun
Captured a control point in a Spies vs Mercs Uplink Control match
Achieved Rank 10 in Spies vs Mercs
Assisted teammates in 10 Spies vs Mercs objectives
Carried home the intel in a Spies vs Mercs Extraction match
Unlocked a custom loadout slot for Spy or Merc
Completed all of Isaac Briggs 's 4th Echelon Missions
Won the COOP interrogation in VORON Station
Completed a COOP mission with a teammate
Dual Executed a helmeted enemy
Mastered Mark & Execute
Mastered Assault playstyle
Mastered Panther playstyle
Completed the single player campaign without killing anyone as Sam Fisher
Mastered Ghost playstyle
Used the Tri-Rotor to disable a security device
Completed every single player mission on Perfectionist difficulty
Completed every single player mission on Realistic difficulty
Hacked a terminal in a Spies vs Mercs SvM Blacklist or SvM Classic match
Stopped the Blacklist
Completed LNG Terminal
Survived the attack on Paladin
Completed a single player mission undetected
Completed Detention Facility
Completed Transit Yards
Saved the hostages in the Transit Yards
Completed Special Missions HQ
Snuck up & stole the shield from a Shielded Infantryman
Completed Abandoned Mill
Completed Private Estate
Completed a Daily Challenge
Completed American Consumption
Completed all of Andriy Kobin's 4th Echelon Missions
Paladin fully upgraded
Completed all of Anna Grímsdóttir's 4th Echelon Missions
Fully upgraded one gun
Completed Insurgent Stronghold
Hid 5 bodies in containers
Completed Safehouse
Stealthily took down an enemy who'd been lured by sound
Logged into ShadowNet for the first time