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