is a Japanese multiplayer online battle arena video game created by NHN PlayArt and Dwango. It was released for iOS, Android, and Amazon Fire devices in December 2016 in Japan and in November 2019 in China. A 10-episode original net animation (ONA) adaptation was streamed on YouTube from August 2018 to September 2019. An anime television series adaptation by Lay-duce, titled #Compass 2.0: Combat Providence Analysis System, aired from April to June 2025.
A 10-episode original net animation (ONA) adaptation produced by Echoes and TMS Entertainment was streamed on YouTube from August 10, 2018, to September 13, 2019.
An anime television series adaptation titled #Compass 2.0: Combat Providence Analysis System, produced by Lay-duce and directed by Hitoshi Nanba, aired from April 8 to June 24, 2025, on TV Tokyo and its affiliates. The opening theme song is , performed by Nana Mizuki, while the ending theme song is , performed by Yuma Uchida. Crunchyroll streamed the series.
A manga adaptation based on "Alkali Rettà Âsei", written by Kinosaki and illustrated by Mahiro Satou, began serialization in Media Factory's Monthly Comic Gene magazine on August 12, 2023. A single volume has been released as of March 2024.
A spin-off light novel also based on "Alkali Rettà Âsei", written by Kinosaki and illustrated by Kurowa, was published under Media Factory's MF Bunko J light novel imprint on August 25, 2023.