Full list of all 50 Crysis 2 achievements worth 1,000 gamerscore. It takes around 50-60 hours to unlock all of the achievements on Xbox 360.
Multiplayer: Reach Rank 50
Multiplayer: Unlock all the weapons
Multiplayer: Fully level the Nanosuit
Multiplayer: Win a match of every game mode
Multiplayer: Fully level a Suit Module
Unlock 150 Dog Tag displays
Multiplayer: Play a full game on every map
Be in a squad of at least 3 people and play a full game
Multiplayer: Get 30 Spot Assists
Collect 20 Dog Tags
Complete 3 Xbox LIVE matches
Kill 10 enemies by throwing an object at them
Keep all marines alive during the rescue in Semper Fi or Die
Throw an alien down the sinkhole in Dark Heart
Kill a CELL operator with a giant donut in Lower Manhattan
Multiplayer: Finish top of the Scoreboard
Create your first custom class
Complete the single player campaign on Veteran difficulty
Finish the single player campaign on any difficulty
Reach Central Park
Single Player: Kill 20 enemies with the Microwave cannon
Locate Jacob Hargreave
Re-route the power in Eye of the Storm without being detected
Complete the evacuation at Times Square
Defend Central Station
Complete 12 levels on Veteran difficulty
Assist the evacuation at Bryant Park
Reach the Hargreave-Rasch building
Assist the Marines in Madison Square
Infiltrate the alien hive
Infiltrate the CELL facility at Wall Street
Complete 6 levels on Veteran difficulty
Single Player: Kill 5 enemies while sliding
Single Player: Stealth kill 25 enemies
Find Nathan Gould
Single Player: Kill two enemies with a single bullet
Kill 10 enemies with grab and throw
Assimilate alien tissue at the crash site
Single Player: Kill at least 3 enemies with a single grenade
Escape the Battery Park evacuation center
Single Player: Kill 4 enemies in a row with headshots
Complete In at the Deep End
Complete 6 levels on Supersoldier difficulty
Complete 12 levels on Supersoldier difficulty
Complete the single player campaign on Supersoldier
Find all New York Souvenirs
Scan all of Richard Morgan's books in the NY public library
Break the speed limit in front of 10 speed cameras
Get 1 of each Skill Kill
Play online 6 months after your first time