Isaac can re-spec his weapons, RIG, and stasis module at the start of the chapter. Note: Each item re-spec costs 5,000 CR.
Eash "Collect Peng" achievement
In Chapter 7, find the mainframe room where ANTI is located. The circuit room that is to the left (when ANTI's hologram emitters are behind Isaac) has breakers that also turn blue in addition to green or red. Insert the four breakers in that circuit room to change them to blue. Follow the access tunnel to reach Peng's Treasure.
Easy "Elevator Action" achievement
In Chapter 7, immediately after Isaac starts the elevator to go to the Solar Array area, a group of Tripods will appear. Use the Detonator to shoot them. Hitting a Tripod with the Detonator anywhere on the body will usually knock it off. Use Stasis to hold a Tripod in place when more than one of them appears. Knock off all Tripods in this sequence to unlock the achievement.
Easy "Lightspeed de Milo" achievement
After the train scene in Chapter 3, you will enter some shopping areas. The second area has a fat blue statue. Shoot the head and arms off the statue to earn the achievement.
Easy Stalker kills
If you are finding the Stalkers troublesome, the best weapon to use against them is the Line Gun. Try to find an area to back yourself into then simply wait and aim. They will eventually pop out and run at you. The Line Gun will easily dispose of them.
Extraction: Change weapons
Note: This only affects the current level. Exit out to the main menu, then return to the level. You can use the the weapon loadout screen to change weapons. You will resume with the default ammunition for that weapon. Note: You can only select the left special weapon; the other two special weapons are deleted from your inventory.
Extraction: Expert and Impossible difficulty
Successfully complete Chapter 10.
Hand cannon
Successfully complete the game under the Hardcore difficulty setting and upgrade the plasma pistol. The unlimited ammunition and one hit kill hand cannon can be found at the first shop. This weapon resembles a foam finger, and when fired Isaac makes "Bang Bang" and "Pew Pew Pew" sounds.
Hardcore difficulty
Successfully complete Campaign mode. This mode only allows you to restart from the last save game and only three save slots for the entire campaign will be available. You also cannot start this difficulty from the "New Game +" option.
Hidden Necromorph messages
By moving around the menu areas you can find the following hidden messages. Use the Right Analog-stick to look around the menu areas.
Main menu
Upper left: "In the end, It all comes down to just one little thing..."
Bottom right: "Unity after death, Unity forever."
Single Player menu
Upper left: "Your body now, Our body later, One body forever"
Multiplayer menu
Upper middle: "It's not over between us, you can't run from me forever"
Bottom middle Make us Whole"
Quick Match menu
Bottom right: "We must believe in it and bend ourselves to its will and then it will heal us"
Leaderboard menu
Right: "The answer is in chicxulub"
Extra menu
Left: "Welcome back Nicole Brennan"
Controller Map menu
Bottom right: "Let us fear nothing. Death is only a transition to the unity beyond"
Level bonuses
Reach the indicated online level to unlock the corresponding bonus.
Solid Army Green Suit: Level 4
Line Gun: Level 7
Solid Red Suit: Level 8
Force Gun: Level 11
Solid Black Suit: Level 13
Increased Magazine Size (Plasma Cutter): Level 14
Solid Olive Suit: Level 16
Seeker Rifle: Level 17
Urban Camo Blue Suit: Level 20
Urban Camo Army Green Suit: Level 23
Increased Magazine Size (Line Gun): Level 25
Urban Camo Red Suit: Level 26
Javelin Gun: Level 28
Increased Magazine Size (Force Gun): Level 29
Urban Camo Military: Level 32
Increased Magazine Size (Seeker Rifle): Level 33
Increased Weapon Damage (Plasma Cutter): Level 34
Urban Camo Olive Suit: Level 36
Tiger Camo Blue Suit: Level 41
Increased Weapon Damage (Line Gun): Level 42
Increased Magazine Size (Javelin Gun): Level 44
Tiger Camo Army Green Suit: Level 45
Increased Weapon Damage (Force Gun): Level 46
Tiger Camo Red Suit: Level 49
Increased Damage (Seeker Rifle): Level 50
Tiger Camo Military Suit: Level 52
War Torn Suit: Level 56
Increased Weapon Damage (Javelin Gun): Level 57
Visceral Games Suit: Level 59
Necromorph upgrades
Reach the indicated level in your online career to unlock the corresponding upgrade.
Successfully complete Campaign mode and save the game. This mode allows access to your all the weapons and items in the store and your inventory.
Peng's Treasure
Find the mainframe room where ANTI is located. The circuit room that is to the left (when ANTI's hologram emitters are behind Isaac) has breakers that also turn blue in addition to green or red. Insert the six breakers in that circuit room to adapt them to blue. Follow the access tunnel to reach Peng's Treasure.
Prequel bonuses
Successfully complete Dead Space: Ignition in single player Ignition mode to unlock the Hacker suit (has bonus perks and hacking capabilities), a Hacker-themed Contact Beam weapon skin, exclusive audio logs, and extra power nodes, health packs, and credits.
Refurbished Plasma Cutter
Have a saved game file from the original Dead Space. The Refurbished Plasma Cutter can be found at the first store.
Restore health
Use the shop and the work bench to restore your health. When you wear a suit for the first time your health is refilled. Purchase the Respec ability for 5,000 credits. Remove the Power Nodes from the Rig and replace them for full health.
Schematic locations
Search the indicated locations to find the corresponding schematic.
Chapter 2
Power Node: Found in the first Power Node locked room you find. You can open the locked door with a Power Node. One can be found on the ground through the door to the left of the closet.
Hacker Suit: Found at the end of the tram walkway area, near the location you encounter the Fire Sack Necromorphs.
Stasis Pack: Found on the tracks by where the flaming train passes you for the first time.
Chapter 3
Pulse Rifle: Once you are out of the train, it is in a corner just behind where the train is hanging.
Javelin Spears: Found behind the big marker statue towards the windows on the left.
Chapter 4
Security Suit: Found on the top shelf of the room just past the door that you must slow down to walk through.
Chapter 5
Ripper: In the multi level room, ride the elevator down, then go to the right side of the room.
Medium Health Pack: After turning off the gravity and going through the holes in the ceiling, it will be floating in the middle of the room.
Line Gun Ammo: After crawling through the duct and falling, you will go through a storage room. You will find it behind some shelves on the right side.
Detonator: Found in a room at the top of the church by the save station.
Chapter 6
Seeker Rifle: On the path at the start of the chapter, enter the door to the right. You will be on a balcony and the schematic will be on the far right side on the ground.
Pulse Rounds: When you first meet Ellie, she will unlock the gate. Instead of going through the gate behind her, follow the path around to the right where it is blocked by debris
Flame Thrower: After you exit the gym, follow the path and go into the classroom to find the "Kids Gone Crazy" text log. In that same room, there is a smaller room on the right side with blood on the wall. The schematic is on the ground.
Chapter 7
Ripper Blades: At the start of the chapter when you enter zero gravity, the schematic will be floating at the bottom of the room.
Force Gun: After you exit the elevator, turn left. You will find some yellow lockers. The schematic in the second locker from the left.
Contact Beam: The schematic is in the locked closet to the left of the location where you first see the save station on the wall. Use a Power Node to open the closet and get it.
Chapter 8
Vintage Suit: Found in the first locked door in this chapter.
Detonator Mines: When you first talk to Ellie and Stross, go to the next room, and take a left. The schematic is beside a body.
Large Med Pack: Found in the room where you first meet Ellie. It is located past the table in the corner. Use kinesis to move the table.
Chapter 9
Flame Fuel: When you encounter the laser traps, take a right from where they were located. You will see a few crates lying around. Use kinesis to move them to find the schematic and an audio log.
Seeker Shells: Found behind the guardian mounted near the exit door of the room where you fight Stalkers and Cysts.
Chapter 10
Force Energy: When you reach the zero gravity area, go to the lower level to find it on the ground.
Chapter 11
Contact Energy: In the zero gravity station where you move the lasers to gain access to the shaft that leads inside, look outside from the inside of the shaft to find it.
Advanced Suit: Enter the locked room opposite of the detonator mines trap. The schematic is inside this room, but you need a Power Node to open this locked room.
Secret Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points.
Achievement
How to unlock
Clever Girls ( 10 points )
Survive your first encounter with Stalkers.
Cross your Heart, Hope to Die ( 30 points )
Survive the Eye Poke Machine.
Derailed ( 20 points )
Survive the Train Sequence.
Elevator Action ( 15 points )
Knock off every Tripod during the Elevator Sequence.
Hornet's Nest ( 30 points )
Destroy the Tripod Nest.
Knock Knock ( 25 points )
Complete the Drill Ride.
One Small Step ( 10 points )
Get through the first Zero-G area.
Operation! ( 15 points )
Snare the Shard with the Ishimura.
Patient on the Loose ( 15 points )
Get your first Suit.
Powered Up ( 15 points )
Complete the Solar Array Puzzle.
Shut Down ( 10 points )
Defeat the AI.
The Final Sacrifice ( 50 points )
Destroy the Marker.
The Fugitive ( 50 points )
Escape the Facility.
The Graduate ( 20 points )
Win the fight at the School.
Torment Me No More ( 20 points )
Kill the Tormenter.
Special Suits and Weapons
After finishing the game, you get two suits that gaves you 25% more resistance to any hit and if you have an old Dead Space save file you get the original Plasma Cutter wich cost 0 credits and can be found on any store at any time.
Unlockable
How to unlock
Arctic Security Suit
Complete the game under the Zealot difficulty to unlock it at the store.
Dead Space 1 Plasma Cutter
Have an Dead space 1 Save File.
Elite Advanced Suit
Find the schematic in New Game + mode during Chapter 11. When the yellow lift reaches the top, turn around to find it on the ledge between the elevator and wall.
Elite Engenier Suit
Found the schematic before entering the vacum on chapter one and purchase the suit on the store in the New game+ mode.
Elite Riot Suit
Purchase at the store in New Game + mode or log into the same EA account in the iPod/iPhone Dead Space game.
Elite Security Suit
Find the schematic in New Game + mode during Chapter 9. After you exit the tram, search over the railing.
Elite Vintage Suit
Find the schematic in New Game + mode during Chapter 6. Search the area where you fight the tank before the end of the chapter.
Hacker Suit
Have a saved game file from Dead Space: Ignition to unlock it at the store.
Soldier Suit
Complete the game under the Hardcore difficulty to unlock it at the store.
Unlimited credits
Purchase the Supernova or Martial Law downloadable content. Go to the store and purchase the Detonator weapon for free. Fire the mines at a wall, then deactivate them and collect them. Do not reload the Detonator. Sell the mines and Detonator for credits at the store. Buy the Detonator back for free and it will be fully stocked. Repeat the process as many times as desired.
Various Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points.
Achievement
How to unlock
...And Stay Down ( 10 points )
Kill 25 crawling enemies with Stomp ( single player only).
Bouncing Betty ( 10 points )
Kill a Cyst by catching its Mine and throwing it back.
Brute Juke ( 10 points )
Kill a Brute without taking damage.
C-Section ( 10 points )
Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up.
Clean Cut ( 10 points )
Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot ( single player only).
Collect Peng ( 20 points )
Find the Peng treasure.
Epic Dismemberment ( 50 points )
Dismember 2,500 Necromorph Limbs ( single player only).
First Aid ( 10 points )
Use Quick Heal ten times ( single player only).
Frozen in Time ( 10 points )
Kill 50 Necromorphs while they are in Stasis ( single player only).
Fully Loaded ( 50 points )
Simultaneously have four completely upgraded weapons.
Fully Outfitted ( 30 points )
Upgrade your RIG and Stasis completely.
Going for Distance ( 20 points )
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface.
Hard to the Core ( 50 points )
Complete the game on Hard Core setting.
It's a Trap! ( 20 points )
Kill 20 enemies with Detonator Mines in a deployed state.
Lawnmower Man ( 10 points )
Kill 4 enemies with the same Ripper blade.
Lightspeed de Milo ( 10 points )
Dismember the Lightspeed Boy Statue.
Looking good ( 10 points )
Purchase the Advanced Suit.
Made Us Whole ( 10 points )
Complete the game on any difficulty setting.
Mission Impossible ( 50 points )
Complete the game on Zealot setting.
My Boom Stick ( 20 points )
Kill 6 enemies at once with Line Gun's Alt-Fire ( single player only).
Necro Flambé ( 10 points )
Kill 50 enemies using the Flamethrower.
Peek a Boo! ( 20 points )
Kill a Stalker with the Seeker Rifle while in Zoom Mode.
Picking favorites ( 30 points )
Upgrade 1 Weapon completely.
Romper Stomper ( 25 points )
Stomp 10 Containers.
Shock Therapy ( 10 points )
Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others ( single player only).
Shoot the Limbs! ( 10 points )
Dismember 25 Necromorph Limbs ( single player only).
Skewered in Space ( 15 points )
Impale an enemy into a Decompression Window to cause it to blow out.
Taste of your own Medicine ( 20 points )
TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface.
The Electrician ( 10 points )
Collect 10 Semiconductors.
The Engineer ( 10 points )
Collect 10 Schematics.
The Librarian ( 10 points )
Collect 100 logs.
The Nanny ( 10 points )
Kill 30 Crawlers without detonating them.
The Sampler Platter ( 20 points )
Kill a Necromorph with every Weapon in the game ( single player only)..
Think Fast ( 15 points )
Kill 30 Necromorphs with Kinesis objects.
Vacuum Cleaner ( 30 points )
Decompress 20 Necromorphs without getting sucked out yourself.
Various Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points.
Achievement
How to unlock
Grind House (20 points)
Severed: In the grinder room, cause an enemy to die in the grinders.
King of the Hill (20 points)
Severed: Defend the quarry platform until the door unlocks.
Peng Me Again (20 points)
Severed: Find the Peng treasure in Severed.
Remember the Alamo (20 points)
Severed: Kill 16 or more enemies in the final last stand combat sequence.
