Games like Vagrant Knight
Games like Vagrant Knight include Hades, Vampire Survivors, Skul: The Hero Slayer, Death Must Die, and Hades II. We matched them by the tags players give Vagrant Knight on Steam (Action, Action Roguelike, Roguelite, 2D, and Fantasy): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Roguelite · Action

Vampire Survivors
Shared: Action Roguelike · Roguelite · 2D

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

Death Must Die
Shared: Action Roguelike · Roguelite · Action

Hades II
Shared: Action · Roguelite · Action Roguelike

Megabonk
Shared: Action Roguelike · Roguelite · Action

Rogue Legacy
Shared: Action Roguelike · Action · 2D

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

Dead Cells
Shared: Action Roguelike · 2D · Roguelite

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

Sephiria
Shared: Action Roguelike · Roguelite · Action

UnderMine
Shared: Action Roguelike · Roguelite · Action

Halls of Torment
Shared: Action Roguelike · Roguelite · Action

Windblown
Shared: Action Roguelike · Roguelite · Hack and Slash

Dungreed
Shared: Action Roguelike · Action · Roguelite

BlazBlue Entropy Effect
Shared: Action Roguelike · Action · 2D

Shape of Dreams
Shared: Action Roguelike · Roguelite · Action

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Action

BALL x PIT
Shared: Action · Roguelite · Action Roguelike

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Indie · 2D

Cult of the Lamb
Shared: Action Roguelike · Roguelite · Singleplayer

20 Minutes Till Dawn
Shared: Action Roguelike · Roguelite · Combat

God of War
Shared: Action · Combat · Singleplayer

Spirit Hunters: Infinite Horde
Shared: Action Roguelike · Action · Roguelite