Games like Employee Survivor
Games like Employee Survivor include Vampire Survivors, Zup! S, Potion Craft: Alchemist Simulator, Zup!, and Hook. We matched them by the tags players give Employee Survivor on Steam (Casual, Bullet Hell, 2D, Relaxing, and Combat): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · 2D · Casual

Zup! S
Shared: Casual · 2D · Relaxing

Potion Craft: Alchemist Simulator
Shared: Relaxing · Singleplayer · 2D

Zup!
Shared: Casual · 2D · Indie

Hook
Shared: Casual · Relaxing · Singleplayer

Glass Masquerade
Shared: Casual · Relaxing · Indie

DAVE THE DIVER
Shared: Casual · Relaxing · Singleplayer

Melvor Idle
Shared: Casual · 2D · Singleplayer

Zup! 2
Shared: Casual · 2D · Indie

Zup! F
Shared: Casual · 2D · Indie

Zup! X
Shared: Casual · 2D · Indie

Unpacking
Shared: Casual · Relaxing · Singleplayer

Keep on Mining!
Shared: Casual · Relaxing · Singleplayer

Hidden Folks
Shared: Casual · Relaxing · Indie

Hexcells
Shared: Casual · Indie · Singleplayer

A Game About Feeding A Black Hole
Shared: Casual · Relaxing · 2D

Zup! 3
Shared: Casual · 2D · Indie

Game Dev Tycoon
Shared: Casual · Indie · 2D

Mountain
Shared: Casual · Relaxing · Indie

klocki
Shared: Casual · Relaxing · Singleplayer

Assemble with Care
Shared: Casual · Relaxing · Indie

A Little to the Left
Shared: Relaxing · Casual · Singleplayer

Cat Goes Fishing
Shared: 2D · Casual · Indie

Zup! 8
Shared: Casual · 2D · Indie