Here is the full list of all 43 Prototype 2 achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Mount a helicopter using Whipfist.
Destroy a Strike Team in 15 seconds or less.
Spend at least 25 consecutive seconds in the air (helicopters don't count).
Reach the highest point in the world.
Acquire 10 upgrades through Consumes.
Acquire 30 upgrades through Consumes.
Acquire all 46 upgrades through Consumes.
Complete the game on HARD difficulty.
Complete the game.
Complete LABOR OF LOVE.
Complete all //BLACKNET dossiers.
Destroy all Lairs.
Defeat all Field Ops teams.
10 or more kills using a single Bio-Bomb.
Find all BlackBoxes.
Destroy 5 helicopters using Pack Leader.
20 or more kills with a single Hammerfist dive attack.
Fully upgrade Heller.
10 or more kills with a single Black Hole attack.
Destroy 10 Blackwatch tanks, APCs or helicopters using a single hijacked tank or APC.
Stealth hijack 5 tanks or APCs.
Destroy a single Lair.
Travel a half mile using only Wall Run, Glide, Jump and Air Dash.
Complete NATURAL SELECTION.
Deflect 5 missiles at enemies using Shield Block.
Destroy 5 vehicles using a Finisher.
Acquire a Prototype Power.
Meet Father Guerra.
Complete RESURRECTION.
Complete MEET YOUR MAKER.
Complete FALL FROM GRACE.
Simultaneously kill 2 Brawlers using a single Devastator.
Karate kick a helicopter.
Acquire a Mutation in each of the 5 categories.
Acquire 5 Mutations.
Complete a //BLACKNET operation.
Counter enemy attacks 20 times using Shield.
Consume 10 //BLACKNET targets.
Weaponize 10 vehicles.
Dismember a Brawler.
Stealth Consume 50 Blackwatch troopers.
5 consumes in 10 seconds or less.
Trigger 50 alerts.