Games like Serandor The Last Knight
Games like Serandor The Last Knight include Skul: The Hero Slayer, Blasphemous 2, SANABI, ICEY, and Hyper Light Drifter. We matched them by the tags players give Serandor The Last Knight on Steam (Hack and Slash, Side Scroller, Difficult, 2D, and Swordplay): closest matches first, and among equally close ones the better-known games.

Skul: The Hero Slayer
Shared: Action · 2D · Pixel Graphics

Blasphemous 2
Shared: Difficult · Side Scroller · Hack and Slash

SANABI
Shared: Action · Pixel Graphics · 2D

ICEY
Shared: Hack and Slash · Side Scroller · Action

Hyper Light Drifter
Shared: Difficult · Hack and Slash · Pixel Graphics

Shovel Knight: Treasure Trove
Shared: 2D · Pixel Graphics · Difficult

Ghostrunner
Shared: Action · Difficult · Hack and Slash

Dead Cells
Shared: Adventure · 2D · Hack and Slash

Black Myth: Wukong
Shared: Action · Singleplayer · Combat

Titan Souls
Shared: Difficult · Pixel Graphics · Action

Celeste
Shared: Difficult · Pixel Graphics · 2D

Jump King
Shared: Difficult · 2D · Adventure

Eastern Exorcist
Shared: Side Scroller · Hack and Slash · Action

God of War
Shared: Action · Hack and Slash · Adventure

Katana ZERO
Shared: Action · Pixel Graphics · Hack and Slash

The Vagrant
Shared: 2D · Side Scroller · Action

Hollow Knight
Shared: Difficult · 2D · Singleplayer

Hollow Knight: Silksong
Shared: Difficult · 2D · Singleplayer

Wolcen: Lords of Mayhem
Shared: Hack and Slash · Action · Singleplayer

Bloodstained: Curse of the Moon
Shared: Action · 2D · Side Scroller

Geometry Dash
Shared: Difficult · 2D · Singleplayer

Blasphemous
Shared: 2D · Pixel Graphics · Difficult

METAL GEAR RISING: REVENGEANCE
Shared: Hack and Slash · Action · Swordplay

BlazBlue Entropy Effect
Shared: 2D · Action · Action-Adventure