Games like The Last King's Archer
Games like The Last King's Archer include Shovel Knight: Treasure Trove, Blasphemous 2, Bloodstained: Curse of the Moon, SANABI, and Super Meat Boy. We matched them by the tags players give The Last King's Archer on Steam (Action, Difficult, Retro, Side Scroller, and Fantasy): closest matches first, and among equally close ones the better-known games.

Shovel Knight: Treasure Trove
Shared: Retro · Platformer · Action

Blasphemous 2
Shared: Difficult · Fantasy · Side Scroller

Bloodstained: Curse of the Moon
Shared: Action · Retro · Platformer

SANABI
Shared: Action · Pixel Graphics · 2D Platformer

Super Meat Boy
Shared: Difficult · Platformer · 2D Platformer

Katana ZERO
Shared: Action · Pixel Graphics · Platformer

Celeste
Shared: Difficult · Pixel Graphics · Platformer

Bloodstained: Curse of the Moon 2
Shared: Action · Retro · Difficult

NINJA GAIDEN: Ragebound
Shared: Action · Platformer · Side Scroller

The Messenger
Shared: Retro · Platformer · Action

Broforce
Shared: Action · Pixel Graphics · Platformer

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

Volgarr the Viking
Shared: Difficult · Action · Platformer

Jump King
Shared: Difficult · Action · Platformer

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · 2D Platformer · Difficult

Cuphead
Shared: Difficult · Platformer · 2D

Sonic Mania
Shared: Retro · Platformer · 2D

VVVVVV
Shared: Platformer · Difficult · Pixel Graphics

Contra Anniversary Collection
Shared: Action · Retro · Side Scroller

Gravity Circuit
Shared: Action · Platformer · Pixel Graphics

UFO 50
Shared: Action · Retro · Pixel Graphics

Ambidextro
Shared: Action · 2D Platformer · Retro

Sonic Origins
Shared: Action · Retro · 2D Platformer

Downwell
Shared: Action · Pixel Graphics · Platformer