Games like Ant protect the queen
Games like Ant protect the queen include Vampire Survivors, Skul: The Hero Slayer, Rogue Legacy, BALL x PIT, and Teenage Mutant Ninja Turtles: Shredder's Revenge. We matched them by the tags players give Ant protect the queen on Steam (Side Scroller, Action, Arcade, 2D, and Nature): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: 2D · Arcade · Action Roguelike

Skul: The Hero Slayer
Shared: Action · 2D · Side Scroller

Rogue Legacy
Shared: Action · 2D · Roguelike

BALL x PIT
Shared: Action · Arcade · 2D

Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Side Scroller · 2D · Arcade

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

Eastern Exorcist
Shared: Action · Side Scroller · 2D

Halls of Torment
Shared: Action · Arcade · Action Roguelike

Lost Castle
Shared: Side Scroller · Beat 'em up · Action Roguelike

Have a Nice Death
Shared: 2D · Action · Singleplayer

METAL SLUG
Shared: Action · Arcade · Side Scroller

Shank
Shared: Action · Side Scroller · 2D

Risk of Rain Returns
Shared: 2D · Action · Action Roguelike

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

Dead Cells
Shared: 2D · Roguelike · Action Roguelike

Rogue Legacy 2
Shared: Arcade · Action · 2D

Black Myth: Wukong
Shared: Action · Combat · Singleplayer

ICEY
Shared: Action · Side Scroller · 2D

Terminator 2D: NO FATE
Shared: Side Scroller · Arcade · Action

Stick It to the Stickman
Shared: Action · Beat 'em up · 2D

Anomaly Agent
Shared: Side Scroller · 2D · Action Roguelike

Your Only Move Is HUSTLE
Shared: Action · 2D · Strategy

Dungreed
Shared: Action · 2D · Roguelike

TEKKEN 7
Shared: Action · Arcade · Controller