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