Interbox V1: Subliminal is a music game that works as an Incredibox mod, but instead of the usual characters, it uses figures inspired by the Backrooms. Players mix and layer different sounds by dragging characters onto the screen, building tracks that lean toward eerie and unsettling tones rather than upbeat ones. The process is simple—experiment with combinations, remove parts if they don’t fit, and keep adjusting until the track feels complete. What makes it stand out is the way the visual style reinforces the creepy atmosphere, giving every sound choice more weight. Players can try it out quickly on kbhgames.com for free, directly in their browser with no installation required, making it easy to test different variations without any setup. For anyone interested in darker, more atmospheric music-making, this mod offers a different take on the familiar Incredibox format. Made by Expansive_Chb and Yeezir.