Games like SphereCore Survival
Games like SphereCore Survival include Deep Rock Galactic: Survivor, Brotato, RUNNING WITH RIFLES, Arms of God, and Totally Accurate Battle Simulator. We matched them by the tags players give SphereCore Survival on Steam (Action, Sandbox, Arena Shooter, Bullet Hell, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.

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

Brotato
Shared: Bullet Hell · Arena Shooter · Survival

RUNNING WITH RIFLES
Shared: Action · Top-Down Shooter · Sandbox

Arms of God
Shared: Bullet Hell · Arena Shooter · Top-Down Shooter

Totally Accurate Battle Simulator
Shared: Sandbox · Colorful · Action

Maniac
Shared: Top-Down Shooter · Action · Bullet Hell

BALL x PIT
Shared: Action · Bullet Hell · Top-Down Shooter

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

Megabonk
Shared: Bullet Hell · Action · Indie

Glyphica: Typing Survival
Shared: Arena Shooter · Action · Bullet Hell

FatalZone
Shared: Bullet Hell · Action · Arena Shooter

Vital Shell
Shared: Bullet Hell · Arena Shooter · Action

Shotgun Witch
Shared: Arena Shooter · Bullet Hell · Top-Down Shooter

Shape of Dreams
Shared: Action · Top-Down · 3D

Terraria
Shared: Sandbox · Survival · Action

Star Valor
Shared: Sandbox · Action · Top-Down Shooter

GoreBox
Shared: Sandbox · 3D · Stylized

Fun with Ragdolls: The Game
Shared: Sandbox · Action · 3D

Bomb Rush Cyberfunk
Shared: Action · Stylized · Colorful

The Precinct
Shared: Sandbox · Top-Down Shooter · Action

Sektori
Shared: Arena Shooter · Bullet Hell · Colorful

Sky Force Reloaded
Shared: Bullet Hell · Action · Top-Down Shooter

Halo: Spartan Assault
Shared: Action · Top-Down Shooter · Sci-fi

Impact Point
Shared: Action · Top-Down Shooter · Arena Shooter