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.
Complete Chapter 12 on any difficulty setting.
Kill the Hive Mind.
Kill 30 enemies with the Line Gun.
Complete Chapter 11 on any difficulty setting.
Collect 150 Logs.
Find the Peng Treasure.
Own every weapon in the game.
Complete Chapter 10 on any difficulty setting.
Pursue Nicole's investigation.
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.
Use Stasis on 50 enemies.
Discover the Hunter's origins.
Complete Chapter 7 on any difficulty setting.
Kill 30 enemies with the Force Gun.
Complete Chapter 6 on any difficulty setting.
Kill the Leviathan.
Dismember 500 Limbs.
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 Pulse Rifle.
Complete Chapter 2 on any difficulty setting.
Pin an enemy.
Complete Chapter 1 on any difficulty setting.
Dismember 50 Limbs.
Complete the game on Medium difficulty or above.
Complete the game in Impossible Mode.
Complete New Game Plus on any difficulty mode.
Install every weapon upgrade.
Kill 30 enemies with the Flamethrower.
Kill 30 enemies with the Ripper.
Kill 30 enemies with the Contact Beam.
Beat the game using only the Plasma Cutter.
Place 25 items in Storage.
Collect all Schematics.
Rip off a dangling limb using Kinesis.
Kill 10 enemies with a stomp attack.
Fully upgrade all weapons and equipment.
Complete Level 6 in Zero-G Basketball.
Pick up a Marker fragment for the first time.
See the alternative ending on any difficulty mode.