watch 02:27 The Loop (Games) Do you like this video? This article is a stub. You can help the Roblox Wikia by expanding it. Esper Online is an RPG-style fighting game developed by Albus Studios. It is based on the Mob Psycho 100 anime. Retrieved from "https://roblox.fandom.com/wiki/Albus_Studios/Esper_Online?oldid=794846" Categories: Group-owned places 2019 places Pages with social links Stubs Community content is available under CC-BY-SA unless otherwise noted.