Games like Survivor Mercs
Games like Survivor Mercs include Deep Rock Galactic: Survivor, Megabonk, Vampire Survivors, Brotato, and Rogue: Genesia. We matched them by the tags players give Survivor Mercs on Steam (Bullet Heaven, Twin Stick Shooter, Action Roguelike, Roguelite, and Difficult): closest matches first, and among equally close ones the better-known games.

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

Megabonk
Shared: Bullet Heaven · Action Roguelike · Roguelite

Vampire Survivors
Shared: Action Roguelike · Roguelite · Bullet Hell

Brotato
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

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

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

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

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

Soulstone Survivors
Shared: Bullet Heaven · Action Roguelike · Roguelite

Time Wasters
Shared: Bullet Heaven · Action Roguelike · Twin Stick Shooter

Nuclear Throne
Shared: Action Roguelike · Difficult · Bullet Hell

Boneraiser Minions
Shared: Action Roguelike · Roguelite · Bullet Hell

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Difficult · Pixel Graphics

Nova Drift
Shared: Roguelite · Action Roguelike · Bullet Hell

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

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

Hades
Shared: Action Roguelike · Roguelite · Indie

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

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

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

Atomicrops
Shared: Action Roguelike · Bullet Hell · Bullet Heaven

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

Temtem: Swarm
Shared: Bullet Heaven · Action Roguelike · Twin Stick Shooter

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Pixel Graphics