Games like Knife Club
Games like Knife Club include Phasmophobia, Grand Theft Auto V Legacy, Beat Saber, Pavlov, and Contractors. We matched them by the tags players give Knife Club on Steam (Action, Early Access, Indie, Multiplayer, and First-Person): closest matches first, and among equally close ones the better-known games.

Phasmophobia
Shared: Multiplayer · VR · First-Person

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · First-Person

Beat Saber
Shared: VR · Multiplayer · Action

Pavlov
Shared: Action · VR · Multiplayer

Contractors
Shared: Action · VR · Indie

Gorilla Tag
Shared: VR · Multiplayer · First-Person

GORN
Shared: Action · VR · Indie

Chivalry: Medieval Warfare
Shared: Action · Multiplayer · First-Person

Storm Chasers
Shared: Early Access · Action · Indie

PUBG: BATTLEGROUNDS
Shared: Multiplayer · Action · First-Person

Bodycam
Shared: Multiplayer · First-Person · VR

KovaaK's
Shared: Action · Indie · First-Person

Sub Rosa
Shared: Action · Multiplayer · Early Access

Witch It
Shared: Multiplayer · Indie · Action

Onward
Shared: VR · Action · Multiplayer

How to Fish
Shared: Multiplayer · Indie · First-Person

Hard Bullet
Shared: Action · VR · Indie

Serious Sam Fusion 2017 (beta)
Shared: Action · Indie · VR

Apex Legends™
Shared: Multiplayer · Action · First-Person

RUMBLE
Shared: Early Access · Action · VR

Feed and Grow: Fish
Shared: Early Access · Action · Multiplayer

Buckshot Roulette
Shared: Multiplayer · First-Person · Indie

WARDOGS
Shared: Action · Multiplayer · Early Access

Arma 3
Shared: Action · Multiplayer · First-Person