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