Breathless was developed by Pixel Happy Games.

Joseph Ravan: Writing and coding

Redricksun: Character Artist
ds-sans: GUI/UI Artist
gin-1994: Background Art
MLGmi: Additional art

Brenden Howell: Music
CthulhuSeeker: Music
Son-Void: Music/Additional Art

Kira Buckland: Voice Actor (Carol)
Emma Breezy: Voice Actor (Rin)
Eli Diaz: Voice Actor (Seiko)
Elsie Lovelock: Voice Actor (Rina)
Xuan Vinh Huynh: Voice Actor (Hideaki)
Mr Japan (Dana): Voice Actor (Mr. Davidson)
Maddie Matsumoto: Voice Actor (Megumi)
Fadel Ragheb: Voice Actor (Kaito)
Lizzie Ray: Voice Actor (Aki, Naiko)
Aimee Smith: Voice Actor (Akari, Kai)