Arkham Mansion
Tapes
[#1] Location: Main Hall (Arkham Mansion).
Explore the northern part of the main hall. You will need to find a small security post) and hit the bars to get inside.
[#2] Location: Arkham Sound Recording Room (Arkham Mansion).
Requirements: Batclaw
Explore the southern part of the recording room to find a grid on the wall. Use the Batclaw to rip it off and then use the hook to gain access to the next room. When you get to the balcony, jump down and find the ribbon (it's on the table).
[#3] Location: Dr. Yang's office (Arkham Mansion).
You will encounter thugs in the morgue shortly after you start a new investigation. Defeat them and look for the tape. It can be found on the table to your left.
[#4] Location: Library (Arkham Mansion).
Requirements: cryptographic sequencer.
Explore the northern part of the library and you will find a small corridor. Use the sequencer on the adjacent terminal, enter the new room and take the tape from the table.
[#5] Location: West Wing corridor (Arkham Mansion).
Requirements: Ultra Batclaw
Find a weak section of the wall and tear it off using the Ultra Batclaw. The tape can be found in a dark room.
The secret card
[#1] Map of Secrets - Arkham Mansion
Location: Caretaker's Office (Arkham Mansion)
You can pick up the card after you defeat the boss and a couple of thugs.
Trophies
[#1] Location: The lobby of the mansion (Arkham Mansion).
Once you land in this first area and eliminate the cellmates, look for the entrance to the ventilation shaft. It can be found to the right of the stairs.
[#2] Location: Main Hall (Arkham Mansion).
Requirements: Batclaw
Inspect the large statue and you should notice the grille. Rip it off with Batclaw and go inside.
[#3] Location: Arkham Sound Recording Room (Arkham Mansion).
Requirements: Batclaw
Explore the western part of the recording room and find a grid on one of the walls. Rip it off with Batclaw and use this newly unlocked ventilation shaft to sneak into a new room. Jump over the railing and take the trophy from one of the tables.
[#4] Location: North Corridor (Arkham Mansion).
The trophy can be found in the southern part of this area, and you must pick it up before using the ventilation shaft to get to Dr. Yang's office.
[#5] Location: South Corridor (Arkham Mansion).
Requirements: Batclaw
Use the Batclaw in the southwest corner of the room. You will need to point the gadget at the grid located near the ceiling. Once this is done, use a hook to get to a small cave. Kyro Digital Video Production
