Games like Hollow Signal
Games like Hollow Signal include BALL x PIT, Deep Rock Galactic: Survivor, Yet Another Zombie Survivors, 20 Minutes Till Dawn, and Megabonk. We matched them by the tags players give Hollow Signal on Steam (Action Roguelike, Bullet Heaven, Shoot 'Em Up, Top-Down Shooter, and Roguelite): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Roguelite · Action Roguelike · Action

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Heaven · Roguelite

Yet Another Zombie Survivors
Shared: Bullet Heaven · Action Roguelike · Top-Down Shooter

20 Minutes Till Dawn
Shared: Action Roguelike · Shoot 'Em Up · Roguelite

Megabonk
Shared: Action Roguelike · Bullet Heaven · Roguelite

Vampire Survivors
Shared: Action Roguelike · Roguelite · 2D

Nova Drift
Shared: Shoot 'Em Up · Action Roguelike · Roguelite

Halls of Torment
Shared: Action Roguelike · Roguelite · Action

SNKRX
Shared: Action Roguelike · Roguelite · Top-Down Shooter

Soulstone Survivors
Shared: Action Roguelike · Bullet Heaven · Roguelite

Time Wasters
Shared: Action Roguelike · Bullet Heaven · Roguelite

Brotato
Shared: Action Roguelike · Bullet Heaven · Roguelite

Hades
Shared: Action Roguelike · Roguelite · Action

The Spell Brigade
Shared: Bullet Heaven · Action Roguelike · Roguelite

Rogue: Genesia
Shared: Bullet Heaven · Action Roguelike · Roguelite

Death Must Die
Shared: Action Roguelike · Roguelite · Bullet Heaven

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · 2D

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Bullet Heaven · Roguelite

Skul: The Hero Slayer
Shared: Action Roguelike · Action · Roguelite

Boneraiser Minions
Shared: Action Roguelike · Roguelite · Bullet Heaven

R.I.P. - Reincarnation Insurance Program
Shared: Action Roguelike · Bullet Heaven · Roguelite

The Binding of Isaac
Shared: Action Roguelike · Action · Indie

Run Build Pew!
Shared: Bullet Heaven · Action Roguelike · Roguelite

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action Roguelike · Roguelite