Mr Boom is a Bomberman-inspired multiplayer clone built as a libretro core, playable through RetroArch on PC. The project lives in the open source Javanaise/mrboom-libretro repository and brings classic grid-based bomb-laying action to the libretro ecosystem.
A new commit, referenced as 96f89550, has just been pushed to the repository. No detailed changelog accompanied this change set, but the update signals ongoing active development on the core.