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