Megami Tensei Gaiden: Shinyaku Last Bible III: Mugen no Eiyū is a 2010 role-playing video game for mobile phones, and a spin-off in the Last Bible series. It was developed by Bbmf and published by Atlus, initially releasing through the i-appli service in September 2010. The game is the third installment of the Shinyaku Last Bible mobile video games, following Shinyaku Last Bible and Shinyaku Last Bible II: Hajimari no Fukuin.
On November 24, 2022, the game was re-released by G-Mode for the Nintendo Switch as part of their G-Mode Archives+ series.[1] The game, along with its prequels, were all later released on Steam on December 12, 2022.[2]
To date, Shinyaku Last Bible III has not seen an official localization nor a translation patch.