Games like METAL SLUG XX
Games like METAL SLUG XX include METAL SLUG 3, METAL SLUG, METAL SLUG X, Broforce, and Sonic Mania. We matched them by the tags players give METAL SLUG XX on Steam (Action, 2D, Retro, Shooter, and Arcade): closest matches first, and among equally close ones the better-known games.

METAL SLUG 3
Shared: Action · Arcade · Classic

METAL SLUG
Shared: Action · 2D · Arcade

METAL SLUG X
Shared: Action · 2D · Arcade

Broforce
Shared: Action · 2D · Shooter

Sonic Mania
Shared: 2D · Retro · Classic

Call of Duty®
Shared: Action · Shooter · Multiplayer

METAL SLUG 2
Shared: Action · 2D · Arcade

Contra Anniversary Collection
Shared: Action · Retro · 2D

Cuphead
Shared: 2D · Multiplayer · Co-op

Battlefield™ 2042
Shared: Shooter · Action · Multiplayer

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Shooter · Multiplayer

Arma 3
Shared: Action · Shooter · Multiplayer

Battlefield™ 6
Shared: Action · Multiplayer · Shooter

Guns, Gore and Cannoli 2
Shared: Action · 2D · Side Scroller

Tom Clancy's Ghost Recon® Wildlands
Shared: Shooter · Action · Multiplayer

Counter-Strike
Shared: Action · Shooter · Multiplayer

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · Shooter

Call of Duty® 4: Modern Warfare® (2007)
Shared: Action · Shooter · Multiplayer

Huntdown
Shared: Action · Shooter · 2D

Half-Life
Shared: Classic · Action · Shooter

Battlefield 4™
Shared: Shooter · Action · Multiplayer

Blazing Chrome
Shared: Action · Retro · 2D

Streets of Rage 4
Shared: Action · 2D · Arcade

Shovel Knight: Treasure Trove
Shared: Retro · 2D · Action