- Play as David Guetta
Enter 'Guetta Blaster' as a case-sensitive code in the 'Cheats' menu to unlock David Guetta.

- Auto Crossfade
Enter 'I Hate Crossfading' as a case-sensitive code in the 'Cheats' menu to unlock the 'Auto Crossfade' option. Notice: This code will disable leaderboards.

- Trophies
Successfully complete one of the following tasks to get a trophy:

Bronze Trophies
Mama Said...	Be victorious in a Checkpoint Battle by knocking out the other player (online only).
Accumulate!	Play Accumulator and win 10 mixes (or single mix battles) with a streak of over 50 (online only).
Master Of The Empire	Gain 12 stars in DJ Shadow's setlist in Empire mode on Medium difficulty or above.
Got ID?	Set your own online Tag and Medal.
Rise To The Challenge	In Empire mode complete 3 Setlist Challenges.
Microphonical Magic!	Get a 200 vocal streak in any vocal mix (in any mode except Party Play).
Battle Ready	Play all of the DJ Battle mixes (online or offline).
Fades Of Fury	Successfully perform 20,000 crossfades (in any mode except Party Play).
Perfect Pitch	Hit 100% of the vocal notes in a mix (in any mode except Party Play).
Bonus	Unlock all the Empire bonus mixes.
Big Bad Boss	Clear all the employee DJs in Checkpoint Battles in Empire mode.
Scratching The Itch	Successfully perform 25,000 scratches (in any mode except Party Play).
Keep Ring	Reach online grade 10.
Credit Is Due	Watch the game credits.
Tappity Tap Tap Tappy	Successfully perform 50,000 taps (in any mode except Party Play).
Rewind 4 The Be victorious in	Perform 4 720' rewinds in a single mix, on any difficulty level without dropping your multiplier (in any mode except Party Play).
The Grandmixer	In Empire Mode beat DJ Qbert in each of his Battle Mixes.
Like Bacon?	Play Streak and win 6 mixes (or single mix battles) by 20 streak margin (online only).
To The Left	Only crossfade to the left in all Freestyle sections in any mix (in any mode except Party Play).
The Bigger They Are...	Be victorious in 10 Online Battles against players of a higher grade (in any Online Battle mode).
Higher Education	Finish 6 of the 'New To DJ Hero 2' Tutorial lessons.
En Sink?	Calibrate your system for DJ Hero 2.
Professional Face Removal	Be victorious in 5 Star Battles online.
Freestyle Superstar	Get an A for Freestyling in any mix (in any mode except Party Play).
World Number One	Gain at least 3 stars in each of the mixes in the Tiësto Megamix (in Quickplay, Megamixes, Empire or Star Battle).
The Emperor	Be victorious in all the DJ Battle setlists in Empire mode.
1 Up	Clear a friend's score on any of the leaderboards.
Hero Feed Heroism	Play 5 mixes directly from Hero Feed Challenges.
I Have The Power Decks!	Unlock all the Power decks.
Mixtape Creation	Set up and save 3 setlists in Quickplay.
Chiggedy Check It Out	Be victorious in 10 Checkpoint mixes (or single mix Battles) by a margin of 3 checkpoints or more (online only).
Opening Act	Play your opening night in Empire mode.
Six Spins To Be victorious in	Activate 6 rewinds in Show Me Love (Stonebridge Radio Edit) / I'm Not Alone mix (in any mode except Party Play).
The Magic Number	Play a mix in Quickplay with another DJ and a Vocalist (in local play only).
You Want Some?	Finish 30 Online Battles (in any Online Battle mode).
Me Like You Long Time	Apply 'Like' tags to 10 mixes and play these mixes (in any game mode except Party Play).
Silver Trophies
The Quickathlon	Set up and play a 10 mix setlist in Quickplay, earning at least 4 stars for each mix.
Super Streak	Get a 400 streak in I Will Be Here / Speed Rail on Expert (in any mode except Party Play).
Battle Star Spectacular	Be victorious in 50 Online Battles (in any Online Battle mode).
Grand Master Of The Empire	Gain 12 stars in DJ Shadow's setlist in Empire mode on Hard difficulty or above.
Go Crazy Broadway Style!	Perform Vocals in every mix that supports them (in any mode except Party Play).
Gold Trophies
Supreme Master Of The Empire	Gain 12 Stars in DJ Shadow's setlist in Empire mode on Expert difficulty.
Improved	Reach online grade 50.
Platinum Trophies
Platinum DJ Hero	Acquire all other Trophies.

Bronze Trophies
You're The Best!	Gain 5 stars for every mix on Expert difficulty.
Thirty Three Without The Third	Gain 33 stars.
You're Golden	5 star Galvanize on Expert difficulty.
At Least You Tried...	Fail to 5 star Galvanize on Expert difficulty.
The Completionist	Gain 5 stars for any mix at all difficulty levels.
Hot Swedish Action	In any Battle, get an A for Scratching, a B for Taps, a B for Crossfading, and an A for Freestyling (ABBA).

- Play as Tiesto
Enter 'In Trance We Trust' as a case-sensitive code under 'Retail Cheats' in the 'Cheats' menu to unlock Tiesto.

- Auto Tapper
Enter 'Look No Hands!' as a case-sensitive code in the 'Cheats' menu to unlock the 'Auto Tapper' option. Notice: This code will disable leaderboards.

- Play as Deadmau5
Enter 'Open The Trap' as a case-sensitive code under 'Retail Cheats' in the 'Cheats' menu to unlock Deadmau5.

- Invisible DJ
Enter 'Now You See Me...' as a case-sensitive code in the 'Cheats' menu.

- Auto Scratch
Enter 'Soothing' as a case-sensitive code in the 'Cheats' menu to unlock the 'Auto Scratch' option. Notice: This code will disable leaderboards.

- All bonuses
Enter 'VIP Pass' as a case-sensitive code in the 'Cheats' menu to unlock all bonuses. Notice: This code will disable leaderboards.