AMUSEMENT MILE - RIDDLER TROPHY #15
The hatches inside this duct open every few seconds. Pilot a remote batarang straight through to hit the first riddler switch, then pilot another through the duct making sure to take the first left to come out on the end with the second switch.
AMUSEMENT MILE - RIDDLER TROPHY #16
Inside the Krank Co. Toys building. It’s on a chair behind the receptionist’s counter. Use the batclaw to grab it.
AMUSEMENT MILE - RIDDLER TROPHY #17
There is some soft wood panelling just below the massive Gotham City Olympus sign. Use explosive gel on it.
AMUSEMENT MILE - RIDDLER TROPHY #18
Use your cryptographic sequencer to hack the console and lower the bars.
AMUSEMENT MILE - RIDDLER TROPHY #19
There is some soft wood panelling along the side of the building that you need to glide through. Get the required momentum by leaping from the roof just north of the GCPD. Once inside turn right and grab the trophy.
AMUSEMENT MILE - RIDDLER TROPHY #20
Open up the GCPD vehicle access door using your remote electrical charge. Once inside, go straight ahead down the ramp to find a structural weakness. Slap on some explosive gel and grab the trophy on the other side of the wall.
AMUSEMENT MILE - RIDDLER TROPHY #21
Under these stairs is a trophy. Simply go around to the right of the stairs to find a small area to duck under.
AMUSEMENT MILE - RIDDLER TROPHY #22
There is some debris in the water behind GCPD that you can stand on. From it, look for an inverted trophy just underneath the back entrance to the building. Use your batclaw.
AMUSEMENT MILE - RIDDLER TROPHY #23
This one is under the building. Start on the floating ice behind the GCPD building. Create a raft using your freeze blast, then pull yourself under the building using the many hook points available. Once you are close to the bars, hack the nearby console using your cryptographic sequencer with range amplifier.
AMUSEMENT MILE - RIDDLER TROPHY #24
Stepping on the riddler panel near the trophy cage lights up some switches along the bottom of a nearby building. Stand on the panel, and use three remote batarangs to hit all three switches before your time runs out. Time slows down when you’re piloting a batarang, but you’ll still need to use the boost when you can.
AMUSEMENT MILE - RIDDLER TROPHY #25
You need to leap from the GCPD building and dive bomb then pull up to get the proper trajectory. If you do it just right, you’ll smack into the riddler panel, the hatch above you will open, and you can use your grapnel to pull yourself up to the trophy.