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