Games like Over The Top: WWI
Games like Over The Top: WWI include Battlefield™ 1, PUBG: BATTLEGROUNDS, Holdfast: Nations At War, Call of Duty®, and WARDOGS. We matched them by the tags players give Over The Top: WWI on Steam (Multiplayer, World War I, Action, Third-Person Shooter, and FPS): closest matches first, and among equally close ones the better-known games.

Battlefield™ 1
Shared: Multiplayer · World War I · FPS

PUBG: BATTLEGROUNDS
Shared: Multiplayer · Shooter · FPS

Holdfast: Nations At War
Shared: Multiplayer · Shooter · FPS

Call of Duty®
Shared: Multiplayer · FPS · Action

WARDOGS
Shared: Multiplayer · FPS · Action

Arma 3
Shared: Multiplayer · Action · Shooter

BattleBit Remastered
Shared: Multiplayer · FPS · Shooter

Hell Let Loose
Shared: Multiplayer · Shooter · FPS

Squad
Shared: Multiplayer · FPS · Action

Battlefield™ 6
Shared: Multiplayer · FPS · Action

Verdun
Shared: World War I · Shooter · Action

World of Warships
Shared: Multiplayer · Third-Person Shooter · Shooter

Insurgency
Shared: Multiplayer · FPS · Action

Battlefield™ 2042
Shared: Multiplayer · FPS · Shooter

Call of Duty®: Modern Warfare® II
Shared: Action · Multiplayer · FPS

Insurgency: Sandstorm
Shared: FPS · Multiplayer · Shooter

Battlefield™ V
Shared: Multiplayer · FPS · Shooter

Counter-Strike: Source
Shared: Multiplayer · Action · FPS

Arma Reforger
Shared: Multiplayer · Action · Shooter

War of Rights
Shared: Multiplayer · Historical · Action

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

Marvel Rivals
Shared: Multiplayer · Third-Person Shooter · Action

Ready or Not
Shared: Multiplayer · FPS · Shooter

Apex Legends™
Shared: Multiplayer · FPS · Shooter