Games like RobotSurvivors
Games like RobotSurvivors include Vampire Survivors, Deep Rock Galactic: Survivor, Risk of Rain Returns, BALL x PIT, and Death Must Die. We matched them by the tags players give RobotSurvivors on Steam (Action Roguelike, Bullet Hell, 2D, Action, and Top-Down): closest matches first, and among equally close ones the better-known games.

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

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

Risk of Rain Returns
Shared: Action Roguelike · 2D · Action

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

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

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · 2D

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

Brotato
Shared: Bullet Hell · Action Roguelike · Singleplayer

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

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

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

Glyphica: Typing Survival
Shared: Action Roguelike · Bullet Hell · Action

Monsters are Coming!
Shared: Action · Bullet Hell · Action Roguelike

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Action

Project Lazarus
Shared: Action Roguelike · Bullet Hell · Action

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · 2D

I Am Legion: Stand Survivors
Shared: Action Roguelike · Bullet Hell · Top-Down

Have a Nice Death
Shared: Action Roguelike · 2D · Action

Rocket Rats
Shared: Action Roguelike · Bullet Hell · 2D

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

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

Windowkill
Shared: Action Roguelike · Action · Bullet Hell

Skul: The Hero Slayer
Shared: Action Roguelike · Action · 2D

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Action