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.
See the alternative ending on any difficulty mode.
Complete New Game Plus on any difficulty mode.
Install every weapon upgrade.
Complete Level 6 in Zero-G Basketball.
Rip off a dangling limb using Kinesis.
Collect all Schematics.
Kill 30 enemies with the Force Gun.
Kill 30 enemies with the Line Gun.
Kill 10 enemies with a stomp attack.
Kill 30 enemies with the Flamethrower.
Kill 30 enemies with the Ripper.
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.
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.
Create the Master Security Override.
Complete Chapter 9 on any difficulty setting.
Survive the Shooting Gallery.
Use Stasis on 50 enemies.
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 Contact Beam.
Complete Chapter 6 on any difficulty setting.
Kill the Leviathan.
Dismember 500 Limbs.
Own every weapon in the game.
Collect 75 Logs.
Complete Chapter 5 on any difficulty setting.
Kill 30 enemies with the Pulse Rifle.
Complete Chapter 4 on any difficulty setting.
Kill a Brute.
Complete Chapter 3 on any difficulty setting.
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.
Beat the game using only the Plasma Cutter.
Fully upgrade all weapons and equipment.