Critics and curators emphasize Mouissie's technical skill with analog hardware:
Loudness Blog described the artist's overall project as sounding both "authentic and fresh," noting that "Callisto" was only his second production, showcasing an early maturity in sound. Mouissie - Callisto
Listeners on SoundCloud have characterized the track as "dope," "unreal," and a piece that makes them "must dance". bandcamp.com/">Ritmo Fatale label ? Mouissie - Callisto
Les Yeux Orange premiered the track, praising Mouissie's ability to use "vintage synths masterfully well" to create "classy, mesmerizing and haunting melodies". Mouissie - Callisto
Mouissie - Callisto | Various Artists - Ritmo Fatale - Bandcamp
The track is widely described as an Italo Disco and Synth Pop anthem.