Games like Horde Hunters
Games like Horde Hunters include Megabonk, Brotato, Death Must Die, Deep Rock Galactic: Survivor, and Halls of Torment. We matched them by the tags players give Horde Hunters on Steam (Bullet Heaven, Action Roguelike, Roguelike, Roguelite, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Bullet Heaven · Action Roguelike · Roguelike

Brotato
Shared: Roguelike · Action Roguelike · Bullet Heaven

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

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

Halls of Torment
Shared: Action Roguelike · Roguelite · Bullet Hell

Vampire Survivors
Shared: Action Roguelike · Roguelite · Bullet Hell

Soulstone Survivors
Shared: Bullet Heaven · Action Roguelike · Roguelite

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

BALL x PIT
Shared: Roguelite · Roguelike · Action Roguelike

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

Nordic Ashes: Survivors of Ragnarok
Shared: Bullet Heaven · Action Roguelike · Roguelite

Yet Another Zombie Survivors
Shared: Bullet Heaven · Action Roguelike · Roguelite

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Roguelite

Magicraft
Shared: Action Roguelike · Roguelite · Roguelike

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

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Bullet Hell

Nuclear Throne
Shared: Action Roguelike · Roguelike · Bullet Hell

Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Roguelite

Atomicrops
Shared: Roguelike · Bullet Hell · Action Roguelike

NIMRODS
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Pathogenic
Shared: Roguelike · Bullet Heaven · Bullet Hell

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Arms of God
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Sephiria
Shared: Action Roguelike · Roguelike · Roguelite