Required gadgets: remote batarang
The description of finding the trophy: The Trophy is in the area between the Quarantine Area and the Backstage. You can't get to it as the access to it is limited by a closed gate. To solve that problem you need to use the remote batarang. Place yourself in the Quarantine Area and send the batarang towards the discharges at the ceiling, as shown at the picture above. You need to get the batarang electrified.
Turn the batarang back and steer it towards the big shutter placed above the way out from the Quarantine Area. Get through that shutter and turn right. Send it to the lower level and make it hit the fuse box, which is located next to the closed gate. You can enter the new area and take the trophy that is on the floor next to the stairs.
Required gadgets: remote batarang
The description of finding the trophy: The Trophy is in the area in between the Quarantine Area and the Backstage. Do all of the tasks needed in order to open the side room, which has been mentioned in the description of finding the trophy 1. Enter the new area, use the stairs and get to the room on the next floor. There is a simple riddle to solve, you need to turn all of the question marks off. Hitting a particular question mark will lead to the turning on or off of all of the question marks that are connected with that particular one by a line (vertical, horizontal or diagonal). There are many solutions of that riddle, an exemplary solution is shown on the picture above, that is: middle down question mark, left down question mark, left middle question mark, left upper question mark.
Required gadgets: fear takedowns (maximally improved)
The description of finding the trophy: The Trophy is in the area in between the Quarantine Area and the Backstage. There is a separate door that leads to it. After entering the new room turn left towards the ventilation shaft and go through it. Get out of the shaft and stand behind the weakened wall, next to one of the five Riddler's robots. You need to activate the fear takedowns. You can finish that task only when you have the maximally improved version of that attack, which allows you to get rid of all five targets at one run. Otherwise you won't be able to neutralize all five machines in four seconds. If you haven't improved that ability yet, you need to wait until you gain enough of the experience points and do some shopping. After eliminating the robots go to the previous room and get the secret from the newly opened cage.
Required gadgets: the claw
The description of finding the trophy: in the main area of the Backstage you need to find an interactive grapple, get hold of it with the claw and start pulling. Use that gadget again in order to catch the trophy.
Required gadgets: electric charge, batarang
The description of finding the trophy: You solve this riddle in the main area of the Backstage and this one is a little bit complicated. Namely, it involves the turning of the Poseidon's statue. During solving of that riddle you will need to use two gadgets - batarangs, you can hit the main button and change the direction of the turning of the statue (right or left), and with the electric charge you can make the whole construction move and stop it in the right places.
Use the electric charge on the generator on the statue and get to the plate with a green letter B on it. Wait until the statue turns that way and then use the opposite charge of the electric charge to stop it. The red arrow should be turned towards the plate (as shown on the picture above) and the first green light should turn on.
Now, the statue should start turning right, so when you need it use the batarang on the upper button (the right arrow needs to turn on). Make the whole mechanism move by using the electric charge, quickly get to the plate with a green letter A on it and wait until you can use the electric charge again to stop the construction. The second green light will turn on.
You need to make the statue turn left by using the batarang, because it can't, at any point, get close to the "starting" plate which resets the riddle. Activate the generator by using the electric charge and go to the plate with letter C, on which a green letter T has been painted. Wait until the red arrow shows up and use the electric charge to stop the construction. The last green light will turn on, and finally you will be able to take the trophy from the cage.
Required gadgets: explosive gel, remote batarang
The description of finding the trophy: Explore the northeast part of the main area of the Backstage. There is a weakened wall there (you can use the detective mode to locate it faster) and you need to destroy it by using the explosive gel. After doing that get into the new room and place yourself on the pressure plate.
Turn towards a small opening in the wall and start throwing remote batarangs into the small shaft. First two batarangs need to hit the green question marks in different parts of the shaft. The last, third, batarang needs to get through the whole shaft and hit the fuse box, which is in the room next to the one in which Batman is. It will lead to unlocking the trophy.
Required gadgets: electric charge
The description of finding the trophy: Explore the northeast part of the main area of the Backstage and use the electric charge to unlock the access to the room in which there is a cage with trophy. In order to open the cage you need to solve a riddle by activating the nearby generators by using the electric charge. You need to do it in a particular order. It is shown at the picture above and is as follows (counting from left): the first generator, the fifth generator, the seventh generator, the third generator, the second generator, the fourth generator, the eighth generator, the sixth generator.
Required gadgets: freeze blast, hook, disruptor, voice synthesizer
The description of finding the trophy: Explore the corridor in the northwest part of the main area of the Backstage. You need to locate a pipe from which a hot steam is getting out, as shown on the picture above. Use a Freeze Blast on it (you can take that gadget from the Quarantine Area), thanks to it you will unlock the possibility of pulling yourself up to the ceiling by using the hook.
Get above the room in which the Riddler's robot is. Start with using the disruptor on the gun box, which can be seen on the lower level, thanks to which it will get sabotaged. Now, you need to give the robot an order. If you don't have a chip that allows you to control the robots focus on other secrets, and, sooner or later, you will get one. Otherwise, use the voice synthesizer on the robot. Make him go and check the gun box. If you sabotaged it, the robot would get destroyed and the cage with the trophy would open on the upper level.
Required gadgets: electric charge, line launcher, claw
The description of finding the trophy: Explore the western part of the main area of the Backstage. There is a gate there, that you can lift with using the electric charge. Place yourself on the pressure plate and choose the line launcher from the inventory. Launch it dead ahead, slow down the line and turn the camera so that you can see the left corridor. As soon as you get next to it use the launcher to change the direction you move by 90 degrees. Land on the second pressure plate, turn around and use the line launcher again. Just as before, you need to turn 90 degrees to get to the third pressure plate. Land on it. You can hide the claw so that you can catch the trophy from the cage on the wall.
Required gadgets: batarang
The description on finding the trophy: Get to the stage A of the movie studio and explore the small room, which is on the left from the entrance. In order to solve this riddle you need to stand on the pressure plate and use the batarangs to set the right colors for the four question marks. The clue to that riddle is in the room on the right from the entrance there are four lights in there. Nevertheless, you don't need to go there, because you can use the above solution. Looking from left to right order of colors is: blue, green, red and yellow. You can take the trophy now.