AM2R: Return of Samus is an unofficial, enhanced remake of Nintendo's Game Boy title Metroid II: Return of Samus. Developed by DoctorM64, it was released in August 2016 for Windows, coinciding with the 30th anniversary of the Metroid series. The game features revamped graphics and music, a map system, new areas, and minibosses, offering a fresh take on the classic Metroid experience.

Players take on the role of Samus Aran as she embarks on a mission to eliminate the parasitic Metroids from their home planet SR388. With refined controls inspired by later titles in the series, AM2R received praise from critics for its impressive visuals and gameplay enhancements. Despite facing legal challenges from Nintendo, the game garnered attention for its dedication to revitalizing a beloved classic.