Batman: Arkham Origins

Cheats:

Unlock Avatar Outfits:
Complete the following tasks during the game to unlock the corresponding outfit for your Xbox Live avatar.

Deathstroke Avatar Outfit:
Defeat Deathstroke in Story mode.

Joker Avatar Outfit:
Complete Story mode.

Batman Avatar Outfit:
Complete 'I am the Night' mode.

Unlock New Game Plus:
New Game Plus mode will become unlocked when you have completed the main campaign in Normal mode or above. In this mode you will retain ALL your unlocked items and the challenges will be harder.

How to get through "I am the night" easier:
If you are about to die, just pause the game and hit the restart button, or if are already dead, hit the power button(sensor)on the X-box console immediately, but if you don't do it in time, it wont work.

Note: You may lose ALL YOUR PROGRESS by using the power button trick.

Big head mode
Hold LB + RT and rotate the Right Analog-stick clockwise ten times at the cryptographic sequencer . Repeat the code to disable its effect.

Costumes

Complete the indicated task to unlock the corresponding costume.

1989-2006 Classic Tim Drake Robin: Purchase the "Infinite Earths Pack".
Adam West: Included in the PlayStation3 exclusive "Knightfall Pack".
Arkham Origins Deathstroke: Gamestop, Best Buy, Target, Walmart, or Amazon pre-order bonus or purchase the "Deathstroke Challenge Pack".
Batman 1 Million: Download the free DLC, then register with WBID.
Batman Blackest Night: Earn Prestige in Multiplayer mode.
Batman Dark Knight: Complete all Dark Knight Challenges.
Batman Earth 2: Included in the the "Batman Legends Pack" pre-order bonus.
Batman Injustice: Earn all medals in Challenge mode.
Batman New 52 Graphic: Capture all Most Wanted targets in Story mode.
Batman Noel: Find all Enigma Datapacks.
Batman ThrillKiller: Included in the the "Batman Legends Pack" pre-order bonus or purchase the "Infinite Earths Pack".
Batman: Dark Knight of the Round Table: Included in the the "Batman Legends Pack" pre-order bonus.
Blackest Night 2006-2008 Tim Drake Robin: Purchase the "New Millennium Pack".
Brightest Day Batman: Purchase the "Batman Arkham Origins – Season Pass".
Earth-2 Bruce Wayne: Purchase the "Infinite Earths Pack".
Earth-2 Dark Knight: Link your WBID to the Batman: Arkham Origins mobile game.
Earth-2 New: Purchase the "Infinite Earths Pack".
First Appearance 1939: Purchase the "New Millennium Pack".
Futuristic Batman: Included in the PlayStation3 exclusive "Knightfall Pack".
Gotham by Gaslight Batman: Purchase the "Batman Arkham Origins – Season Pass".
Initiation Bruce Wayne skin: Purchase the "Initiation" DLC.
Injustice Deathstroke: Pre-order bonus or purchase the "Deathstroke Challenge Pack".
Judas Contract Deathstroke: Pre-order bonus or purchase the "Deathstroke Challenge Pack".
Knight of the Round Table: Purchase the "Infinite Earths Pack".
Long Halloween: Included in the the "Batman Legends Pack" pre-order bonus.
New 52: Complete all Most Wanted missions or purchase the "New Millennium Pack".
Noel: Find all Enigma Datapacks or purchase the "New Millennium Pack".
Red Son: Unlock ten costumes in the Batman: Arkham Origins mobile game or purchase the "New Millennium Pack".
The Long Halloween: Purchase the "Infinite Earths Pack".
Worst Knightmare: Earn all achievements/accomplishments/trophies and get a 100% game completion.

Achievements:

Shut Down
Reward: 10 Points
Objective: Shut down an entire Tower Network

Counter-intelligence
Reward: 10 Points
Objective: Decipher one Extortion File

Enigma Unravelled
Reward: 15 Points
Objective: Collect all Enigma items

First Riddler Trophy
Reward: 30 Points
Objective: Collect every collectible

One down, several to go
Reward: 10 Points
Objective: Complete a Most Wanted entry

The Innocent and the Predatory
Reward: 25 Points
Objective: Capture all of Black Mask's Assassins

Shadow Vigilante
Reward: 15 Points
Objective: Master the Shadow Vigilante Dark Knight track

Gotham Protector
Reward: 15 Points
Objective: Master the Gotham Protector Dark Knight track

Worst Nightmare
Reward: 15 Points
Objective: Master the Worst Nightmare Dark Knight track

World's Greatest Detective
Reward: 15 Points
Objective: Master the World's Greatest Detective Dark Knight track

Legend of the Dark Knight
Reward: 25 Points
Objective: Complete all Dark Knight challenges

Crime Scene Investigator
Reward: 10 Points
Objective: Complete all Casefiles

Crime Fighter
Reward: 10 Points
Objective: Stop 20 Crime in Progress

Thanks, old friend
Reward: 10 Points
Objective: Hear everything Alfred has to say

Personal Trainer
Reward: 10 Points
Objective: Obtain all the medals on Combat Training maps

Perfectionist
Reward: 20 Points
Objective: Obtain all the medals on Custom maps in Challenge mode

I've Got This
Reward: 10 Points
Objective: Acquire all upgrades

Free Flow Fifty
Reward: 15 Points
Objective: Reach x50 Combo

Anyone see that?
Reward: 10 Points
Objective: Complete a predator encounter without ever being spotted

What hit me?
Reward: 15 Points
Objective: Take down 100 enemies who didn't know you were there

Silent Knight
Reward: 10 Points
Objective: Complete a predator encounter using only silent takedowns

Point to Point
Reward: 10 Points
Objective: Glide across Bridge without touching ground

Around the World
Reward: 10 Points
Objective: Use the Batwing to travel to all Fast Travel points

Flawless Display
Reward: 10 Points
Objective: Successfully battle Shiva without taking any damage

Point Counter-Point
Reward: 10 Points
Objective: Complete Deathstroke without failing a single counter

One of Each
Reward: 30 Points
Objective: Use every Freeflow Focus gadget in one combo

Air Marathon
Reward: 10 Points
Objective: Glide 26 miles total

Medalist
Reward: 40 Points
Objective: Obtain all medals on the original Ranked Maps in Challenge mode (as Batman)

Olympian
Reward: 40 Points
Objective: Obtain all medals on the original Campaign maps in Challenge mode (as Batman)

Voice of the People
Reward: 15 Points
Objective: Scan 20 Anarky Tags

Clean Streets
Reward: 40 Points
Objective: Complete all Most Wanted missions

Give Them Something to Believe
Reward: 50 Points
Objective: Complete New Game Plus

Predator Paragon
Reward: 25 Points
Objective: Take down 6 different Elites in a match, using 6 different methods as Batman or Robin in multiplayer

Killing Joke
Reward: 15 Points
Objective: Reach max level with the Joker faction in multiplayer

Fallen Knight
Reward: 15 Points
Objective: Reach max level with the Bane faction in multiplayer

Gotham All-Star
Reward: 20 Points
Objective: Reach max overall level in multiplayer

Clutch
Reward: 15 Points
Objective: Kill a Hero to bring back your entire gang when at 0 reinforcements on a full multiplayer server

Tales of Gotham
Reward: 25 Points
Objective: Win a round of each map with each faction in multiplayer

I Like Those Odds
Reward: 25 Points
Objective: As a Hero, defeat 4 Elites within 40 seconds without using melee in multiplayer

Not An Ordinary Criminal
Reward: 15 Points
Objective: As an Elite, earn 4000 XP in a single multiplayer match

Arsenal, Awesome
Reward: 20 Points
Objective: Fully upgrade a weapon in multiplayer

Legend
Reward: 50 Points
Objective: Earn a level of prestige in multiplayer

Know Thy Enemy
Reward: 25 Points
Objective: Defeat each of the enemy players at least once in a multiplayer match

I Am The Night
Reward: 70 Points
Objective: Finish I Am The Night Mode

Secret Achievements

City of Assassins
Reward: 10 Points
Objective: Identify Black Mask's assassins

One eye open
Reward: 15 Points
Objective: Defeat Deathstroke

Nobody that matters
Reward: 15 Points
Objective: Who is the Joker?

Everyone wears masks
Reward: 15 Points
Objective: Find the Black Mask

One Rule
Reward: 25 Points
Objective: Save a life

Perhaps sooner, Perhaps later
Reward: 30 Points
Objective: Defeat the Joke