Operation Abyss: New Tokyo Legacy is a dungeon crawler RPG developed by Experience Inc. and published by NIS America, released for the PlayStation Vita in 2014 in Japan and in 2015 internationally. It combines cyberpunk themes with the classic first-person dungeon exploration gameplay. Players command a squad of teens called the Xth Squad, enhanced with technology to combat monsters in the Abyss, mysterious dungeons that appear in near-future Tokyo. The game is known for its challenging gameplay, character customization and dark narrative.