Games like Secrets of War
Games like Secrets of War include Total Tank Simulator, Police Stories, Men of War: Assault Squad 2, Bomber Crew, and X-Morph: Defense. We matched them by the tags players give Secrets of War on Steam (Action, Indie, Strategy, Top-Down Shooter, and World War II): closest matches first, and among equally close ones the better-known games.

Total Tank Simulator
Shared: Action · Strategy · Indie

Police Stories
Shared: Action · Strategy · Top-Down Shooter

Men of War: Assault Squad 2
Shared: Strategy · World War II · Action

Bomber Crew
Shared: World War II · Strategy · Indie

X-Morph: Defense
Shared: Action · Strategy · Indie

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · World War II · Action

Door Kickers
Shared: Strategy · Action · Indie

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

RUINER
Shared: Action · Top-Down Shooter · Indie

Easy Red
Shared: Action · Indie · Strategy

Hotline Miami
Shared: Action · Indie · Top-Down Shooter

Mount & Blade II: Bannerlord
Shared: Strategy · Action · Indie

Freeman: Guerrilla Warfare
Shared: Action · Strategy · Indie

Orcs Must Die! 2
Shared: Action · Strategy · Indie

Trench Lord: Eastern Front
Shared: Strategy · Action · Indie

Company of Heroes
Shared: Strategy · World War II · Action

10 Miles To Safety
Shared: Action · Strategy · Indie

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

Company of Heroes 2
Shared: Strategy · World War II · Action

Orcs Must Die!
Shared: Action · Strategy · Indie

SMITE®
Shared: Action · Strategy · Indie

Your Only Move Is HUSTLE
Shared: Action · Strategy · Indie

UFO 50
Shared: Indie · Action · Strategy

Taur
Shared: Action · Strategy · Indie