Games like Starborn Survivor
Games like Starborn Survivor include Vampire Survivors, Nova Drift, Megabonk, Risk of Rain 2, and Deep Rock Galactic: Survivor. We matched them by the tags players give Starborn Survivor on Steam (Indie, Action Roguelike, Roguelite, Bullet Hell, and Arena Shooter): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · Bullet Hell

Nova Drift
Shared: Roguelite · Bullet Hell · Action Roguelike

Megabonk
Shared: Action Roguelike · Indie · Roguelite

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

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

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

Brotato
Shared: Action Roguelike · Bullet Hell · Roguelite

BALL x PIT
Shared: Roguelite · Action · Bullet Hell

Hades
Shared: Action Roguelike · Roguelite · Indie

SNKRX
Shared: Action Roguelike · Roguelite · Arena Shooter

Crab Champions
Shared: Action Roguelike · Third-Person Shooter · Bullet Hell

Star of Providence
Shared: Roguelite · Action Roguelike · Bullet Hell

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

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

Time Wasters
Shared: Action Roguelike · Bullet Hell · Roguelite

Roboquest
Shared: Action Roguelike · Roguelite · Bullet Hell

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Bullet Hell

Nuclear Throne
Shared: Action Roguelike · Indie · Bullet Hell

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

God Of Weapons
Shared: Action Roguelike · Roguelite · Bullet Hell

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

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

The Void Rains Upon Her Heart
Shared: Action Roguelike · Indie · Bullet Hell

EVERSPACE™
Shared: Action Roguelike · Indie · Action