Activate the following cheats by entering the corresponding codes at "Options" > "Cheats":

CHEAT FUNCTION - CHEAT CODE
All mixes, characters, and stages [NOTE 1] , [NOTE 3] - tol0
All songs [NOTE 1] - 82xI
All venues [NOTE 1] - Wv1u
All characters [NOTE 1] - uNA2
All decks [NOTE 1] - LAuP
All headphones [NOTE 1] - 62Db
Daft Punk and mixes [NOTE 4] - D1G?
DJ AM and mixes [NOTE 4] - k07u
DJ Jazzy Jeff and mixes [NOTE 4] - n1fz
DJ Shadow and mixes [NOTE 4] - oMxV
DJ Z-Trip and mixes [NOTE 4] - 5rtg
Grandmaster Flash [NOTE 4] - Ami8
Use any DJ with any set [NOTE 1] - 0Jj8
Auto Fader [NOTE 1] - SL5d
Auto Effects Dial [NOTE 1] - ab1L
Auto win Euphoria phrases [NOTE 1] - r3a9
Auto Tapper [NOTE 1] - ZitH
Auto Scratch [NOTE 1] - IT6j
Play in Bedroom venue [NOTE 1] - g7nH
Blank Plinths [NOTE 1] - ipr0
Black and White [NOTE 1] ,[NOTE 2] - b!99
Edge Effect [NOTE 1] ,[NOTE 2] - 2u4u
Hamster Switch; flips crossfader [NOTE 1] - 7geo
Hyperdeck mode [NOTE 1] - 76st
Invisible DJ [NOTE 1] - oh5T
Midas; yellow background [NOTE 1] ,[NOTE 2] - 4pe5
Pitch Black Out; black background [NOTE 1] ,[NOTE 2] - d4kr
Rainbow; colorful background [NOTE 1],[NOTE 2] - ?jy!
Short Deck [NOTE 1] - 51uC

NOTE 1: This code will disable saving the game and the leaderboards.
NOTE 2: This code cannot be activated with any other code
NOTE 3: Enter this code under "Unlock Everything" in the "Cheats" menu.
NOTE 4: enter this code under "Retail Codes" in the "Cheats" menu.

Automatic Crossfades:
When Euphoria is enabled, all crossfades and spikes will be performed automatically.

ACHIEVEMENT - HOW TO UNLOCK
My First Set (5 points) - Complete a setlist.
The Full Set (30 points) - Complete all mixes.
Super Scratchin' (20 points) - Perform 10,000 scratches.
Harsh Fader (20 points) - Perform 5,000 crossfader moves.
Freestyle DJ (10 points) - Trigger all Effects Zones and all Freestyle Sample Zones in a mix on hard or higher.
Special Effects! (5 points) - Turn the effects dial during all Effects Zones in a mix.
No Mistakes Allowed (20 points) - Perform all scratches in a mix on hard or higher.
Tap King (20 points) - Press the platter buttons for all tap icons in a mix on hard or higher.
Fantastic Fader (20 points) - Perform all crossfades and crossfade spikes in a mix on hard or higher.
Superstar DJ (30 points) - Get a 100% Hits in a mix on hard or higher.
Good Times (15 points) - Earn 10 stars by playing any of the mixes in the Grandmaster Flash Presents setlist.
Multiplier Madness (5 points) - Achieve an 8X multiplier during a mix.
REEEWIINNNNDD!!! (15 points) - Perform 4 rewinds without missing any icons in a mix on any difficulty.
Graduation (10 points) - Complete the tutorial Learn to DJ - Advanced Techniques.
Double Trouble (10 points) - Complete a 2 player one on one local game (DJ v DJ only).
Supporting Act (5 points) - Join and complete 3 online games.
Headliner (5 points) - Host and complete an online game.
Win Online (25 points) - Win 10 online games.
New Jack (1 points) - Complete your first mix.
Four Star (4 points) - Earn 4 stars in a mix on hard difficulty.
Five Star (5 points) - Earn 5 stars in a mix on expert difficulty.
The Gift of Music (10 points) - Unlock a bonus mix on any set list (where available).
Hello World (5 points) - Have your score posted to the online leaderboard.
My 50 Pence (5 points) - Get a 50 streak in a mix on hard or higher using a DJ Hero Turntable Controller.
Tonight We DJ in Hell! (30 points) - Get a 300 streak in a mix on expert difficulty using a DJ Hero Turntable Controller.
200 Deep (15 points) - Get a 200 streak in a mix on hard or higher using a DJ Hero Turntable Controller.
All Over the World (15 points) - Complete a mix in every venue.
Five in Ten (20 points) - Earn 5 stars in any 10 mixes on medium difficulty or above.
Four in Twenty (25 points) - Earn 4 Stars in any 20 mixes on medium difficulty or above.
Five in Twenty (35 points) - Earn 5 Stars in any 20 mixes on medium difficulty or above.
Props! (5 points) - Watch the entire credits.
Legendary Status (80 points) - Earn 5 stars in every mix on hard or higher.
The Grandmaster! (35 points) - Earn 5 stars in every mix on medium difficulty or above.
360 Degrees (20 points) - Perform a 360 degree rewind in a mix without missing any icons on hard or expert difficulty.
720 Degrees (35 points) - Perform a 720 degree rewind in a mix without missing any icons on expert difficulty.
The New Style (10 points) - Construct and play all the mixes of a quicklist online with another player.
Guitar and DJ (15 points) - Play the Guitar DJ mode with one player as the DJ and the other as the Guitarist.
Spin Back King (20 points) - Perform 20 rewinds.
Walk-in Wardrobe (10 points) - Complete any 10 mixes in 10 different outfits.
The Vinyl Cut (50 points) - Earn 20 stars by playing any of the mixes in The Vinyl Cut setlist.
DJ Shadow Presents... (30 points) - Earn 15 stars by playing any of the mixes in the DJ Shadow Presents setlist.
Bonus Bangers (35 points) - Unlock all available bonus mixes from all setlists.
Turntable Perfection (100 points) - Earn 5 stars in every mix on expert difficulty.
Here Comes the Hot Starter! (25 points) - Earn 50 Hot Starts in any complete mixes.
Shout Out (5 points) - Complete a mix using a microphone in a single player game.
Euphoria DJ (15 points) - Complete all the Perfect Regions and activate Euphoria in a mix on hard or higher.
Euphoric Hoarder (20 points) - Complete all the Perfect Regions in a mix on hard or higher without using Euphoria.
The Power of Two (15 points) - Both players activate Euphoria and Star Power simultaneously in Guitar DJ Mode.
The Choice Is Yours (15 points) - Play an 8 mix custom setlist on medium difficulty or above and get at least 3 stars on all mixes.
Master Blaster (20 points) - Complete a setlist using the Ghetto Blaster deck.