Assassin's Creed 3 Cheats - Xbox 360

Achievements
Complete each achievement to get the allotted gamerscore:

A Complete Set (20) - See all the optional characters settled at the Homestead.
Abstergo Entertainment (10) - Reach level 20 in the multiplayer mode.
All Washed Up (40) - Complete all Naval Missions aboard the Aquila.
An Extraordinary Man (10) - Complete the Encyclopedia of the Common Man.
Blowing in the Wind (20) - Retrieve every page for one of Ben Franklin's Almanacs.
Bring Down the House (20) - Explore Fort Wolcott.
By Invitation Only (20) - Be invited to join a Club.
Caged Wolf (20) - Complete Sequence 8.
Hunter/Killer (20) - Reach sequence 10 in a map on Wolfpack multiplayer mode.
In Good Standing (30) - Complete all challenges for any of the Clubs.
Jager Bomb (20) - After becoming fully Notorious, kill 10 Jagers before losing your notoriety.
Kidd Gloves (30) - Uncover the mystery of Oak Island.
Magna cum Laude (20) - Have a Trainee reach the Assassin Rank.
Man of the People (20) - Liberate all districts in Boston OR New York.
Monopoly Man (10) - Send a convoy to Boston, New York and the Frontier.
Multitasking (20) - Complete 50% of the Progress Tracker entries.
Mystery Guest (20) - Complete Sequence 1 & 2.
Circus Act (10) - Kill 15 guards with a single cannon shot.
Completionist (50) - Complete ALL progress tracker grid entries.
Coureur des Bois (10) - Exchange undamaged pelts at all different general stores.
Criss Cross (20) - Complete Present - Skyscraper.
Daddy Dearest (20) - Complete Present - Stadium.
Difficult End (20) - Complete Sequence 11.
Entrepreneur, not Pirate! (20) - Complete all 12 Privateer Contracts.
Eye Witness (10) - Witness a predator killing an enemy.
Fin (30) - Complete each of the epilogue missions unlocked after the credits roll.
Grim Expectations (20) - Complete Sequence 10.
Head in the Cloud (20) - Find all pivots and sync the Animus to the Cloud.
Heroes are Born (20) - Complete Sequence 4.
House Party (10) - Recruit any of the Artisans and see them settled on the Homestead.
How D'ya Like Them Apples (20) - Complete Sequence 3.
Spit Roast (20) - Perform a double assassination using a musket.
Tea is for Englishmen (20) - Complete Sequence 6.
The Day the Templars Cried (20) - Complete Sequence 5.
The End is Nigh (20) - Complete Present - Abstergo.
The Sum of Truth (50) - Complete Sequence 12.
The Truth Will Out (20) - Unlock a hacked version of one of the Abstergo videos in the story quest.
The Whites of Their Eyes (20) - Complete Sequence 7.
Tumblehome (10) - Upgrade the Aquila.
No Good Deed Goes Unpunished (20) - Open the Temple Door and learn Desmond's fate.
Original Gamer (20) - Win a game of Fanorona, Morris and Bowls on the Homestead.
Patent Not Pending (10) - Craft one of Franklin's inventions to decorate your Manor.
Perfectionist (50) - Complete 100% of all main mission constraints.
Personalized (10) - Customize your multiplayer Profile and Character.
Predator (10) - Hang 5 enemies by using rope darts.
Prince of Thieves (10) - Loot a convoy without killing any of its guards.
Rude Awakening (10) - Re-Enter the Animus.
Two if by Sea (20) - Complete Sequence 9.
Whit's fur ye'll no go by ye! (10) - Block a firing line 5 times by using a human shield.
Winning Team (20) - Be on the winning team at the end of a multiplayer game session.

Additionally, there are four The Tyranny of King Washington - The Infamy DLC achievements:

Frontiersman (40) - Reach 100% synchronization in the Frontier.
A Wolf in Sheep's Clothing (15) - Kill 25 enemies while staying cloaked.
Uniquely Familiar (15) - Receive an unexpected gift.
West Point Payback (20) - Defeat Benedict Arnold.

Unlock Outfits
Achilles' Originial Outfit - Complete the Achilles' Painting mission (Unlocked in Manor).
Altair's Outfit - Complete all main missions with all Optional Objectives (Unlocked in Manor).
Baltimore Outfit - Start of Sequence 09 (Unlocked in shops).
Boston Outfit - Start of Sequence 06 (Unlocked in shops).
Jamestown Outfit - Start of Sequence 06 (Unlocked in shops).
Kanienkeha:ka Outfit - Collect all Feathers (Unlocked in Manor).
Captain Kidd's Outfit - Complete the Oak Island Naval Location (Unlocked in Manor).
Charleston Outfit - Start of Sequence 06 (Unlocked in shops).
Ezio Outfit - Through Uplay (Unlocked in Manor).
New York Outfit - Start of Sequence 09 (Unlocked in shops).
Philidelphia Outfit - Start of Sequence 09 (Unlocked in shops).

Assassin Turkey
At any point beyond Sequence 6, return to the Davenport Homestead and, from the front door, walk around the right side of the manor and hide around the corner at the back. Whistle, and a turkey will appear nearby. Approach it and press [Up], [Up], [Down], [Down], [Left], [Right], [Left], [Right], [B], [A] to feed it. This will result in the turkey donning an Assassin's hood and following Connor around.

Unlock Shard of Eden
Complete the Captain Kidd missions.

Skip
As young Connor/Ratohnhake:ton, Hold [Run] and lightly press the [Left Analog-stick] in the direction you wish to move. Instead of running, Connor/Ratohnhake:ton should skip.