Despite not being planned as a single, the song, which is dedicated to the brothers' terminally ill father,[1] was surprise-released to YouTube on July 3, 2023.

[7] Gary died hours after the single's initial YouTube release on July 3,[8] with the band giving an update before taking a temporary leave from social media.

[citation needed] "God Is Really Real" is composed in 68 time signature in the key of F major and follows a tempo of 270 beats per minute (bpm).

Similarly to "Dear Winter" from the band's third studio album Neotheater, the song's sole instrument is an acoustic guitar, with "God Is Really Real" additionally having an orchestral backing.

[1] The lyrics are handwritten by Ryan Met in a small notebook, with the band filming the video inside the hospital where their father was staying.