The Newest Game Cheats

You need to complete each achievement to get the allotted gamerscore.
Journeyman, Mages Guild (10)  Reached Journeyman rank in the Mages Guild. 
Evoker, Mages Guild (10)  Reached Evoker rank in the Mages Guild. 
Warlock, Mages Guild (10)  Reached Warlock rank in the Mages Guild. 
Conjurer, Mages Guild (10)  Reached Conjurer rank in the Mages Guild. 
Magician, Mages Guild (10)  Reached […]

Complete Missions to unlock these Cribs.
Price’s Mansion  - Complete “Semi-Charmed Life” 
Benjamin King’s Penthouse  - Complete “Return Of The King” 
Saints Row Loft Crib  Complete - “Back To Basics” 
Angelo Lopez’s Beach House  Complete - “What Goes Up…” 

Cheats can be unlocked by collecting enemy intel on laptop computers.
However, if you use cheats, it will disable Achievements.
CoD Noir: Simply turns all gameplay turns black and white, giving the game a classic war movie feel.  Collect 2 pieces of enemy intel. 
Super Contrast: Dramatically increases the game’s contrast, making the darks much darker and the […]

Go to Options, and enter the following in the cheats menu.
You need to strum every note/chord.
NOTE: The letters correspond to colored frets G-Green, R-Red, Y-Yellow, B-Blue, O-Orange
RY, RB, RO, RB, RY, GB, RY RB  Performance Mode 
O, B, O, Y, O, B, O, Y  Hyperspeed 
(BY) (GY) (GY) (RB) (RB) (RY) (RY) (BY) (GY) (GY) (RB) (RB) […]

Ypu have to complete the game on Normal mode to unlock the secrets
Hardcore Mode  Complete the game once 
Increased Level Cap (51 - 60)  Complete the game once 
New Game +  Start a New Game, then select to use existing Career. You’ll be playing with your older character (with all items and skills intact) 
Insane Difficulty  Beat the […]

Unlockable - How to Unlock 
Defender of the People: Acre (20)  Complete every free mission in Acre. 
Defender of the People: Damascus (20)  Complete every free mission in Damascus. 
Defender of the People: Jerusalem (20)  Complete every free mission in Jerusalem. 
Conversationalist (20)  Go through every dialog with Lucy. 
Blade in the Crowd (30)  Kill one of your main targets […]

Up, down, right, left, up, up, down, start  Unlock all Load Screens (Review Menu) 
Up, Up, Down, Down, Left, Left, Left, Start  All Character Code (Character Selection Screen) 
Up, Down, Up, Down, Left, Right, Left, Right, Up, Down, Start  Unlock all costumes (Character Selection Screen) 
up, down, left, right, left, right, start  Unlock all skins (Team Menu) 
Left, Right, […]