Lorien Testard is a French composer renowned for his work on the 2025 video game Clair Obscur: Expedition 33, developed by Sandfall Interactive. This project marks his debut in video game composition, where he crafted an emotionally rich and cinematic soundtrack that has garnered significant attention. Testard's journey into game music began with a deep-seated passion for video game soundtracks. Over several years, he composed music independently, often sharing his pieces on SoundCloud. His dedication caught the attention of Guillaume Broche, founder of Sandfall Interactive, leading to their collaboration on Clair Obscur: Expedition 33. Testard worked intensively on the game's music, composing almost daily from his home studio, with feedback from the development team and soprano Alice Duport-Percier, who also contributed to the game's vocal compositions. The game's soundtrack, particularly the main theme "Alicia," has been praised for its evocative and immersive qualities. Testard described the recording sessions for "Alicia" as unforgettable and expressed gratitude for the positive reception from players and critics alike. Beyond his work on Clair Obscur, Testard co-founded a composition studio with Alice Duport-Percier. Their studio offers custom musical creations for various projects, including video games, films, and artistic installations. Testard specializes in computer-assisted music composition, aiming to create immersive soundtracks that enhance interactive and narrative experiences. His favorite games, which influence his musical style, include Zelda: Majora’s Mask, Xenoblade Chronicles, NieR: Automata, and Hollow Knight .