Batman: Arkham Origins — Inside the Batcave and Infiltrating GCPD. IGN. October 1, 2013. Event occurs at 16:53. Archived from the original on October 5, 2013. Retrieved May 13, 2014.
"Batman: Arkham Origins – Time For A Reboot". Silicon Era. November 16, 2013. Archived from the original on December 6, 2013. Retrieved May 1, 2022.Batman: Arkham Origins — Inside the Batcave and Infiltrating GCPD. IGN. October 1, 2013. Event occurs at 16:53. Archived from the original on October 5, 2013. Retrieved May 13, 2014.
"Batman: Arkham Origins – Time For A Reboot". Silicon Era. November 16, 2013. Archived from the original on December 6, 2013. Retrieved May 1, 2022.
Carter, Chris (November 1, 2013). "'Stiq Tips: A Batman: Arkham Origins Guide". Engadget. Archived from the original on February 12, 2014. Retrieved November 2, 2013.
Holmes, Eric [@ericholmeslive] (August 18, 2013). "it's called the Grapnel Accelerator. Earlier tech. Same principle" (Tweet). Archived from the original on March 5, 2016. Retrieved August 19, 2013 – via Twitter.
Carter, Chris (November 1, 2013). "'Stiq Tips: A Batman: Arkham Origins Guide". Engadget. Archived from the original on February 12, 2014. Retrieved November 2, 2013.
Holmes, Eric [@ericholmeslive] (August 18, 2013). "it's called the Grapnel Accelerator. Earlier tech. Same principle" (Tweet). Archived from the original on March 5, 2016. Retrieved August 19, 2013 – via Twitter.