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