Games like ∀kashicverse -pandemonic nightmare-
Games like ∀kashicverse -pandemonic nightmare- include HELLDIVERS™ 2, Bit Blaster XL, ZeroRanger, Ikaruga, and Revolution Ace. We matched them by the tags players give ∀kashicverse -pandemonic nightmare- on Steam (Action, Indie, Shoot 'Em Up, Bullet Hell, and Shooter): closest matches first, and among equally close ones the better-known games.

HELLDIVERS™ 2
Shared: Action · Third-Person Shooter · Shooter

Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Shooter

ZeroRanger
Shared: Indie · Shoot 'Em Up · Action

Ikaruga
Shared: Shoot 'Em Up · Bullet Hell · Action

Revolution Ace
Shared: Action · Shoot 'Em Up · Indie

Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Shooter

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Shooter · Third-Person Shooter

Star Saviors
Shared: Action · Shoot 'Em Up · Indie

DRAINUS
Shared: Action · Indie · Shoot 'Em Up

LUFTRAUSERS
Shared: Indie · Action · Bullet Hell

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Third-Person Shooter

Bright Memory: Infinite
Shared: Action · Indie · Shooter

Greedland
Shared: Shoot 'Em Up · Bullet Hell · Third-Person Shooter

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Third-Person Shooter

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Bullet Hell

Aimlabs
Shared: Action · Shooter · Third-Person Shooter

Warhammer 40,000: Space Marine - Anniversary Edition
Shared: Action · Third-Person Shooter · Sci-fi

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Action

Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Shoot 'Em Up · Bullet Hell

The Mean Greens - Plastic Warfare
Shared: Action · Indie · Shooter

Risk of Rain 2
Shared: Third-Person Shooter · Action · Shooter

Star of Providence
Shared: Bullet Hell · Shoot 'Em Up · Indie

Returnal™
Shared: Action · Bullet Hell · Third-Person Shooter

Touhou Kinjoukyou ~ Fossilized Wonders.
Shared: Shoot 'Em Up · Action · Bullet Hell