Demons’ Night Fever opening movie

Arc System Works has released the opening movie for Demons' Night Fever, an upcoming speedrun-training simulation RPG co-developed by Drecom and SuperNiche. The game launches on Nintendo Switch on October 22, 2026. The opening features a notably catchy theme song that sets the tone for what appears to be a speedrun-focused experience blending RPG mechanics with skill-based gameplay challenges.

The reveal suggests Arc System Works is positioning the title as something distinct within the Switch library - a hybrid that trains players through traditional RPG progression while emphasizing speed-based performance. The opening's musical hook indicates the developers are leaning into memorability as part of the overall experience.

• Demons' Night Fever combines RPG mechanics with speedrun training, launching October 22, 2026 on Switch.
• The opening movie showcases a memorable theme song designed to define the game's identity.
• Arc System Works, Drecom, and SuperNiche are collaborating on what could be a niche but focused title for speedrun enthusiasts.