XCOM: Enemy Within DLC (EU2012)

On August 3rd, Producer 2K revealed during Gamescom 2013 a new DLC for XCOM: Enemy Unknown called XCOM: Enemy Within. It will be available also for consoles and has a release date of November 12th, 2013. There are more surprises coming according to Garth.

List of details revealed on August 21st on this [1], along with these articles [2], [3]:

The Meld

• The Meld containers need to be captured quickly (it will self-destruct) and it will be present in most maps.
• The Meld can be used to create either Mech Troopers (a new class) or to genetically increase any class abilities (including Mechs).
• 2 new base facilities: Genetics Labs and Cybernetics Labs

Gene Mods

• Alien Autopsies will reveal genetic modifications ("Gene Mods") for your soldiers.
• Gene Mods can apply to the following categories: Brain, Eyes, Chest, Skin, Legs, with 2 options available for each (and that can be swapped at a cost)
• Brain: Neural Feedback (damages an alien attempting mind control but doesn't reduce its chance) or Neural Damping (soldier immune to panic, becames unconscious if enemy manages to MC it).
• Legs: Muscle Fiber (a soldier can climb walls without a Skeleton Suit) or Adaptive Bone Marrow (limited health regeneration for wounded soldiers).

Mech Trooper

• Mech Troopers can be created from any soldier but they'll lose all abilities they previously had.
• Mech Troopers have MEC Suits which can be damaged and need to be repaired.
• Mech Weapons: Minigun, Railgun and an energy weapon, along with a Flamethrower, Proximity Mines and a Grenade Launcher.
• Mech Abilities: Collateral Damage (allows to target terrain), a high powered Melee attack, Damage Control (which reduces the damage taken for one turn), a Cover & Squad Healing abilities to protect and heal other soldiers.
• Aliens also have their own Mechs, including the Mechtoid (Sectoid Mech version).

Class and Weapons Changes

• Two new grenades: Needle Grenade (after researching Chryssalid Autopsy), with a big blast radius but doesn't affect enemies in cover; Stealth Grenade, provides allies with a invisibility paint.
• Reaper Rounds gives ballistic weapon a bonus to Critical Hit chance.
• Assault's Close and Personal is now called Up Close and Personal: gives a free shot when within 4 tiles of an enemy.
• Support's Covering Fire now fires before the enemy uses its weapon.
• Sniper's Snap Shot aim penalty reduced from -20 to -10.
• Sniper's Squad Sight only gives Critical Damage if Headshot is used.
• Support's Deep Pockets now gives twice as many charges to Grenades, Arc Thrower, Medikits or any other item with unlimited uses.
• Foundry upgrade that gives all classes the ability to use twice an item.

Gameplay Changes

• Flanking system has been reworked with Aiming Angle: the closer you get to flank an alien, the more its cover bonus declines (works also against your soldiers).
• Critical bonus of stealth attacks from 100 to 30.

Interface Changes

• New Second Wave options.
  • Non-cover aliens (Mechtoid and Sectopod) have a 50% chance of firing at your soldiers on sight.
  • Randomize all Class abilities sets. You may have Heavies with Lightning Reflexes and Squad Sight.
• Saving a game will reset the RNG seed for the shots.
• There will be an inventory button to strip away all items from a soldier ("make item available").
• You can now personalize your soldier's voice according to its nationality (French soldiers can speak in French or any other language).
• There's an option to shut up Drs. Vahlen and Shen.

New Maps

• Maps: some maps have been "tweaked", some to address exploding cars issues. More maps for Multiplayer. There's now new maps that deal with crashed UFOs in a destroyed city and also there seems to be another in a Farm.
• According to this Polish article, there will be 47 new maps, including 8 for Multiplayer.