Games like 异兽山海
Games like 异兽山海 include Vampire Survivors, Brotato, Nordic Ashes: Survivors of Ragnarok, Enter the Gungeon, and Nuclear Throne. We matched them by the tags players give 异兽山海 on Steam (Action Roguelike, Bullet Hell, Top-Down Shooter, Perma Death, and Roguelike): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · 2D

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Hell · Roguelike

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

Nuclear Throne
Shared: Action Roguelike · Roguelike · Bullet Hell

Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Procedural Generation

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

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

BALL x PIT
Shared: Bullet Hell · Action Roguelike · Roguelike

Pathogenic
Shared: Bullet Hell · Top-Down Shooter · Roguelike

FTL: Faster Than Light
Shared: Roguelike · Strategy · Perma Death

Apocalypse Party
Shared: Action Roguelike · Top-Down Shooter · Bullet Hell

Megabonk
Shared: Action Roguelike · Roguelike · Bullet Hell

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

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

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelike

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Bullet Hell · Roguelike

Asgard's Fall — Viking Survivors
Shared: Action Roguelike · Bullet Hell · Roguelike

Seraph's Last Stand
Shared: Action Roguelike · Bullet Hell · Roguelike

Cultivation Story: Reincarnation
Shared: Action Roguelike · Bullet Hell · Roguelike

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

Hades
Shared: Action Roguelike · Roguelike · Indie