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