Games like KNELL
Games like KNELL include Vampire Survivors, The Binding of Isaac: Rebirth, Skul: The Hero Slayer, Death Must Die, and Megabonk. We matched them by the tags players give KNELL on Steam (Bullet Heaven, Action, Action Roguelike, Pixel Graphics, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Pixel Graphics · 2D

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

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

Death Must Die
Shared: Action Roguelike · Bullet Heaven · Pixel Graphics

Megabonk
Shared: Bullet Heaven · Action Roguelike · Action

Halls of Torment
Shared: Action Roguelike · Pixel Graphics · Action

The Binding of Isaac
Shared: Action Roguelike · Action · Dark

Boneraiser Minions
Shared: Action Roguelike · Pixel Graphics · Bullet Heaven

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

Dead Cells
Shared: Action Roguelike · Pixel Graphics · 2D

BALL x PIT
Shared: Action · Action Roguelike · Pixel Graphics

Hyper Light Drifter
Shared: Pixel Graphics · Atmospheric · Action

UnderMine
Shared: Action Roguelike · Pixel Graphics · Action

Hotline Miami
Shared: Action · Pixel Graphics · Top-Down

Enter the Gungeon
Shared: Action Roguelike · Pixel Graphics · Action

Soulstone Survivors
Shared: Bullet Heaven · Action Roguelike · Action

Rogue Legacy
Shared: Action Roguelike · Action · 2D

Dungreed
Shared: Action Roguelike · Pixel Graphics · Action

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Action · Top-Down

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

SANABI
Shared: Action · Pixel Graphics · 2D

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

Nuclear Throne
Shared: Action Roguelike · Pixel Graphics · Action

Titan Souls
Shared: Pixel Graphics · Action · 2D