Existential Reckoning is the fourth studio album by Puscifer. The album was released on October 30, 2020, by Alchemy Recordings and BMG Rights Management.

Maynard James Keenan – vocals
Mat Mitchell – Fairlight (1, 2, 4, 5, 7, 9–12), Voyager (1, 8), Juno-60 (1), bass guitar (1, 3, 7, 12), programming (1), 2600 (2, 8–10), synthesizers (3, 5, 6, 8, 9, 12), Steinberger (3, 5–8, 11, 12), Quantum (4), Synclavier (5, 10), MS-20 (8), S900 (9), Chapman Stick (11)
Carina Round – vocals, Fairlight (4, 5, 9, 10), Akai S612 (5, 10)

Greg Edwards – bass guitar (1, 3–6, 8–12), guitar (1, 2, 7, 8), Deckard's Dream (3, 5), violin (6), sitar (7), synthesizers (9, 11, 12), Synclavier (10)
Sarah Jones – drums (2–7, 9–12)
Gunnar Olsen – drums (7, 8)