Discovered - Achievement Guide
XboxAchievements.com - Every Point Counts

There are 13 achievements with a total of 400 points.
 
 Fight Scene (10 points)
Finished the fight scene.
 

This will be one of the first achievements you get. It'll unlock after the last fight sequence when the co-star beats up the guy who got out of the truck.

 
 Duck! (10 points)
Sent a thug over the railing
 

This is done during the second part of the fight scene once you go up the stairs. You'll need to do this part perfect to send him over the edge. 
Will unlock shortly after he falls.

 
 Perfect Fight Scene (20 points)
Turned in a perfect performance for the fight scene.
 

This can be got alongside "Fight Scene" and "Duck!" It requires you to follow all the on-screen instructions with no mistakes. This isn't very hard as it gives you a couple seconds to see what you need to do before hand. If you mess up you can just start the story over.

One thing you will want to watch out for though is the Kinect picking up the kick you have to do with the guy jumps on the car after you fight the guy on the ledge. I haven't managed to get it register my kicks.

 
 Rock the House (10 points)
Guest DJ'd for LMFAO.
 

Story related, cannot be missed.
This achievement will unlock once you stage dive.

 
 DJ Supreme (50 points)
Earned over 10,000 points in one DJ gig.
 

This can be earned along side "Rock the House" and "Prime Time". It requires you to score over 10,000 points in one go as a DJ and will be the hardest achievement to get. 

What I did was alternate one arm up one arm down for the dance motion. Make sure to keep with the beat. 

What I felt was most important was the voice prompts to pump up the crowd. When the mic was blue I said "Everyday I'm shufflin". Start saying it as soon as you skip the cut scene as well as the dance motion. When the mic is in "cooldown" wait for it to almost fill then start saying it a little in advance to get the points a fast as possible. Redfoo from LMFAO tells you things to say, this one worked for me. 

As far as the DJ motions I just kept moving my arms in the same up and down motion for the prompt that has the up arrow. The other one is simply a sweeping type motion from right to left. I did not even hit all the DJ prompts and still got it, but barely.

MOS - Discovered DJ walkthrough - YouTube

 
 Prime Time (50 points)
Earned 1000 points in 16 seconds as a DJ.
 

See "DJ Supreme."

 
 The Walk (10 points)
Walked the red carpet.
 

This is one of the last achievements you get and unlocks once you finish taking all the pictures on the red carpet and the final cutscene starts.

 
 Strike a Pose (30 points)
Earned 500 points in one pose.
 

See "Icon" for more details.

 
 Icon (30 points)
Earned 3000 points on the red carpet.
 

This achievement is done of the red carpet part of the story. You'll be taking a few pictures here for fans and paparazzi. I found it easier to get more points posing as a female. The poses were also easier to copy. Just copy the pose as best you can. You can see how well you're doing by looking at the Kinect post on the bottom right. If you're body is green you're doing it right and once the picture is taken it'll say "Nailed It". You don't need to "Nail" all pictures for this achievement. I got "Not So Awesome" on two of my pictures and still got it. The best ones to score points on are the ones that have you hold the pose.

"Icon" and "Strike a Pose" can be earned alongside "The Walk"

 
 Opening Credits (30 points)
Finished the game.
 

Story related, cannot be missed.

Same as "The Walk". Will unlock once the final cutscene starts.

 
 Headliner (80 points)
Earned 10,000 points in one game.
 

Not to hard to get, especially if you get "DJ Supreme". I got this before "DJ Supreme" and had 3000 points at the fight scene, 6000 more at the DJ, and got around 3000 on the red carpet.

For the fight scene just do as many moves as you can right. For the DJ just keep the crowd pumped up. And the red carpet walk just take as many good pictures as you can. You don't need to have everything perfect to get this but it helps.

 
 In Pictures (20 points)
Shared an image on Facebook.
 

See "Self Publicist"

 
 Self Publicist (50 points)
Shared 20 images on Facebook.
 

For this achievement you just need to upload 20 pictures to Facebook. It's been said it can be the same picture 20 times. You can create a second Facebook account if you want so no one will see your pictures.

For "In Pictures" and "Self Publicist" make sure you have Kinect Sharing on otherwise you won't be able to share your pictures. Also note to make a new account you have to receive a phone call/text from Facebook with a conformation code.

Credit to wraithrock1 for the DJ Supreme guide.

 

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