I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too

is a Japanese light novel series written by Miku and illustrated by Rein Kuwashima. It began as a web novel that started in the Kakuyomu website in March 2017. It was later acquired by Fujimi Shobo, who have published eleven volumes since December 2018 under their Fujimi Fantasia Bunko imprint.

A manga adaptation illustrated by Kazuomi Minatogawa has been serialized in ASCII Media Works' Dengeki PlayStation Comic Web website since December 2019, with its chapters collected into three tankōbon volumes as of March 2022.

An anime television series adaptation has been announced.