Here's a guide on how to unlock all gadgets for the protagonist on the game Batman: Arkham Knight on PC, PS4 and Xbox One.
How To Unlock All Batman: Arkham Knight Gadgets
While you will unlock most of Batman’s Gadgets as you progress through the main story, there are two hidden gadgets that you don’t automatically get.
How to get the Freeze Blast Gadget in Batman: Arkham Knight
Description: The “Freeze Blast” Weapon will…
A) Temporarily incapacitate enemies. Freezing enemies makes them immobile for a short time in the middle of combat.
B) It can also solidify high temperature gas outlets. Freezing steam pipes with it allows you to reach certain Riddler collectibles that are otherwise inaccessible.
Location: The Freeze Blast AKA Ice Blast AKA Ice Grenade can be found on Bleake Island, in the Panessa Movie Studios. Take the VIP elevator down to the Quarantine Cells and once you’re inside, exit it, and walk forward until you reach a big open room. There you’ll find it on the room’s left-side, on the table next to the fire extinguisher.
Here’s a video guide to finding the Freeze Blast secret Gadget location:
How to get the Remote Electrical Charge Gadget in Batman: Arkham Knight
Description: The “Remote Electrical Charge” Weapon can…
A) Deliver a high-voltage charge to shock enemies.
B) It can also activate or deactivate generators and electrical equipment.
Location: The Remote Electrical Charge can be found on Bleake Island, The Cauldron, by going to the GCPD Prisoner Detention building’s basement with the Batmobile. Walk past the prisoners into Maximum Security to find the Communications Room. Talk to Sergeant McAllister and exit the room. Now you’ll be required to pick up the new gadget. Next, go into to the Evidence Room and walk straight ahead and break the breakable glass to find & collect the Remote Electrical Charge.
This video guide shows where to finding the Remote Electrical Charge secret Gadget location:
This guide is a work-in-progress..
Credits: Special thanks to Maka91Productions for the tips and video guides.