Here is the full list of all 47 Dead Space achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Pick up a Marker fragment for the first time.
Complete the game on Medium difficulty or above.
Beat the game using only the Plasma Cutter.
Complete Chapter 12 on any difficulty setting.
Kill the Hive Mind.
Complete Chapter 11 on any difficulty setting.
Install every weapon upgrade.
Find the Peng Treasure.
Complete Chapter 10 on any difficulty setting.
Pursue Nicole's investigation.
Complete Level 6 in Zero-G Basketball.
Collect 150 Logs.
Collect all Schematics.
Create the Master Security Override.
Complete Chapter 9 on any difficulty setting.
Survive the Shooting Gallery.
Complete Chapter 8 on any difficulty setting.
Kill the Leviathan Remnant.
Complete Chapter 7 on any difficulty setting.
Discover the Hunter's origins.
Complete Chapter 6 on any difficulty setting.
Kill the Leviathan.
Own every weapon in the game.
Complete Chapter 5 on any difficulty setting.
Dismember 500 Limbs.
Use Stasis on 50 enemies.
Collect 75 Logs.
Kill 10 enemies with a stomp attack.
Complete Chapter 4 on any difficulty setting.
Kill a Brute.
Complete Chapter 3 on any difficulty setting.
Complete Chapter 2 on any difficulty setting.
Place 25 items in Storage.
Rip off a dangling limb using Kinesis.
Pin an enemy.
Complete Chapter 1 on any difficulty setting.
Dismember 50 Limbs.
Complete the game in Impossible Mode.
Complete New Game Plus on any difficulty mode.
Kill 30 enemies with the Pulse Rifle.
Kill 30 enemies with the Flamethrower.
Kill 30 enemies with the Ripper.
Kill 30 enemies with the Force Gun.
Kill 30 enemies with the Line Gun.
Kill 30 enemies with the Contact Beam.
Fully upgrade all weapons and equipment.
See the alternative ending on any difficulty mode.