Games like Memory Lost: Chapter One
Games like Memory Lost: Chapter One include RUINER, Hotline Miami, Hotline Miami 2: Wrong Number, 12 is Better Than 6, and Alien Shooter. We matched them by the tags players give Memory Lost: Chapter One on Steam (Shoot 'Em Up, Action, Top-Down Shooter, Beat 'em up, and Shooter): closest matches first, and among equally close ones the better-known games.

RUINER
Shared: Action · Top-Down Shooter · Violent

Hotline Miami
Shared: Action · Violent · Top-Down

Hotline Miami 2: Wrong Number
Shared: Action · Violent · Gore

12 is Better Than 6
Shared: Action · Top-Down Shooter · Shooter

Alien Shooter
Shared: Action · Shooter · Gore

The Hong Kong Massacre
Shared: Action · Top-Down Shooter · Violent

DOOM Eternal
Shared: Action · Gore · Shooter

Ape Out
Shared: Action · Violent · Top-Down

The Ascent
Shared: Top-Down Shooter · Action · Shooter

My Friend Pedro
Shared: Action · Shooter · Indie

Insect Swarm
Shared: Shoot 'Em Up · Shooter · Top-Down Shooter

Call of Duty®
Shared: Action · Shooter · Singleplayer

Midnight Fight Express
Shared: Action · Beat 'em up · Isometric

Shadowgrounds
Shared: Top-Down Shooter · Action · Shooter

DOOM
Shared: Action · Shooter · Gore

Redeemer: Enhanced Edition
Shared: Action · Beat 'em up · Top-Down

MADNESS: Project Nexus
Shared: Beat 'em up · Shooter · Action

Trepang2
Shared: Shooter · Action · Violent

Wolfenstein II: The New Colossus
Shared: Action · Gore · Violent

BioShock Infinite
Shared: Action · Shooter · Singleplayer

Sky Force Reloaded
Shared: Shoot 'Em Up · Top-Down Shooter · Action

Paint the Town Red
Shared: Action · Violent · Beat 'em up

OTXO
Shared: Top-Down Shooter · Shoot 'Em Up · Violent

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action · Indie