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.
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.
Find the Peng Treasure.
Complete Chapter 10 on any difficulty setting.
Collect 150 Logs.
Pursue Nicole's investigation.
Rip off a dangling limb using Kinesis.
Complete Level 6 in Zero-G Basketball.
Create the Master Security Override.
Complete Chapter 9 on any difficulty setting.
Use Stasis on 50 enemies.
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 Pulse Rifle.
Dismember 500 Limbs.
Complete Chapter 6 on any difficulty setting.
Kill the Leviathan.
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.
Kill 30 enemies with the Flamethrower.
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.
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.
Kill 10 enemies with a stomp attack.
Fully upgrade all weapons and equipment.
Pick up a Marker fragment for the first time.
See the alternative ending on any difficulty mode.