Here is the full list of all 40 Crysis Remastered achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Reach the end of 'Onslaught' in the tank you started with
Complete 'Core', 'Paradise Lost', 'Exodus' and 'Reckoning' on Delta difficulty
Secure victory in the Battle of Lingshan
Defeat the flight deck invader
Complete the game on any difficulty
Complete the game on Hard or Delta difficulty
Help the marines evacuate
Escort Prophet to safety
Escape the mysterious structure under the mountain
Complete 'Assault', 'Onslaught' and 'Awakening' on Delta difficulty
Defeat General Kyong
Enter the mines
Complete all Secondary Objectives
Proceed to the mining complex
Secure the train station
Complete 6 Secondary Objectives
Destroy 5 enemy tanks
Destroy the cruiser
Kill 400 enemies
Customize a weapon to use all 5 modification points
Destroy all AA guns around the harbor
Destroy 5 helicopters
Complete 'Contact', 'Recovery' and 'Relic' on Delta difficulty
Board the VTOL for extraction
Kill an enemy Nanosuit soldier with a Strength punch
Infiltrate the excavation site
Use all weapon attachments
Kill 200 enemies
Regroup with Prophet upriver
Rescue the hostage
Kill an enemy 200m away
Complete 3 Secondary Objectives
Speed sprint 3km
Discover the fate of the Lusca's Call
Kill 10 enemies by throwing an object at them
Perform a kill with every firearm
Kill 20 enemies with grab
Tag 30 enemies using the binoculars
Perform 5 consecutive kills without being spotted by an enemy
Pick up an animal