Games like Revolvermen
Games like Revolvermen include Brawlhalla, Anomaly Agent, Super Meat Boy, Celeste, and Thomas Was Alone. We matched them by the tags players give Revolvermen on Steam (Arena Shooter, Side Scroller, 2D Platformer, Top-Down Shooter, and Western): closest matches first, and among equally close ones the better-known games.

Brawlhalla
Shared: 2D Platformer · 2D Fighter · PvP

Anomaly Agent
Shared: Side Scroller · 2D Platformer · 2D Fighter

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

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

Thomas Was Alone
Shared: Side Scroller · 2D Platformer · Platformer

Street Fighter™ 6
Shared: 2D Fighter · PvP · Arcade

Spelunky 2
Shared: 2D Platformer · Platformer · PvP

Prince of Persia The Lost Crown
Shared: 2D Platformer · Side Scroller · Precision Platformer

Kill The Crows
Shared: Western · Arena Shooter · Top-Down Shooter

Downwell
Shared: Precision Platformer · 2D Platformer · Platformer

20XX
Shared: 2D Platformer · Platformer · Side Scroller

ROUNDS
Shared: 2D Fighter · PvP · Action

GUILTY GEAR -STRIVE-
Shared: PvP · 2D Fighter · Arcade

Broforce
Shared: Side Scroller · Action · Platformer

Warhammer 40,000: Shootas, Blood & Teef
Shared: PvP · Side Scroller · 2D Platformer

Stick Fight: The Game
Shared: PvP · 2D Fighter · Action

Murder Miners
Shared: Arena Shooter · PvP · Split Screen

Your Only Move Is HUSTLE
Shared: 2D Fighter · Side Scroller · PvP

!AnyWay!
Shared: Side Scroller · 2D Platformer · Precision Platformer

Bō: Path of the Teal Lotus
Shared: Side Scroller · 2D Platformer · Precision Platformer

THE KING OF FIGHTERS XV
Shared: PvP · 2D Fighter · Action

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

Titan Attacks!
Shared: Arena Shooter · Side Scroller · Top-Down Shooter

SANABI
Shared: 2D Platformer · Action · Side Scroller