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.
Fully upgrade all weapons and equipment.
Rip off a dangling limb using Kinesis.
Complete the game in Impossible Mode.
Complete New Game Plus on any difficulty mode.
Beat the game using only the Plasma Cutter.
See the alternative ending on any difficulty mode.
Collect all Schematics.
Pin an enemy.
Kill 30 enemies with the Line Gun.
Install every weapon upgrade.
Own every weapon in the game.
Pursue Nicole's investigation.
Pick up a Marker fragment for the first time.
Place 25 items in Storage.
Complete the game on Medium difficulty or above.
Complete Chapter 12 on any difficulty setting.
Kill the Hive Mind.
Collect 150 Logs.
Complete Chapter 11 on any difficulty setting.
Find the Peng Treasure.
Create the Master Security Override.
Discover the Hunter's origins.
Complete Chapter 10 on any difficulty setting.
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 Contact Beam.
Kill 30 enemies with the Force Gun.
Dismember 500 Limbs.
Complete Chapter 6 on any difficulty setting.
Kill the Leviathan.
Collect 75 Logs.
Kill 30 enemies with the Flamethrower.
Kill 10 enemies with a stomp attack.
Complete Chapter 5 on any difficulty setting.
Use Stasis on 50 enemies.
Complete Chapter 4 on any difficulty setting.
Kill 30 enemies with the Ripper.
Kill a Brute.
Complete Chapter 3 on any difficulty setting.
Kill 30 enemies with the Pulse Rifle.
Complete Chapter 2 on any difficulty setting.
Complete Chapter 1 on any difficulty setting.
Dismember 50 Limbs.