Games like Future Knight
Games like Future Knight include Broforce, METAL SLUG, Shovel Knight: Treasure Trove, SANABI, and UFO 50. We matched them by the tags players give Future Knight on Steam (Action, Arcade, Adventure, Pixel Graphics, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Pixel Graphics · 2D

METAL SLUG
Shared: Action · Arcade · 2D

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Retro · Action

SANABI
Shared: Action · Pixel Graphics · Adventure

UFO 50
Shared: Action · Pixel Graphics · Arcade

Huntdown
Shared: Action · Pixel Graphics · Shoot 'Em Up

Cyberhunt
Shared: Action · Adventure · Arcade

Sonic Origins
Shared: Action · Adventure · Pixel Graphics

Sonic Mania
Shared: 2D · Pixel Graphics · Retro

Exit the Gungeon
Shared: Arcade · Action · Adventure

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Arcade

Alex Jones: NWO Wars
Shared: Action · Arcade · Shoot 'Em Up

Downwell
Shared: Pixel Graphics · Arcade · Action

Pizza Tower
Shared: Pixel Graphics · Cartoony · Action

METAL SLUG X
Shared: Action · Arcade · Shoot 'Em Up

Blazing Chrome
Shared: Action · Pixel Graphics · Retro

Bloodstained: Curse of the Moon
Shared: Action · Pixel Graphics · Retro

METAL SLUG 3
Shared: Arcade · Action · Retro

Kung Fury: Street Rage - Ultimate Edition
Shared: Arcade · Action · Retro

Rogue Legacy 2
Shared: Arcade · Action · Adventure

LUFTRAUSERS
Shared: Arcade · Action · Pixel Graphics

The Messenger
Shared: Retro · Pixel Graphics · Action

Vampire Survivors
Shared: Pixel Graphics · 2D · Arcade

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