Strategic Mind: Spirit of Liberty - Prologue 1939

Turn-based tactical wargame about Finland's defense during the Winter War

Starni Games · Released May 23, 2023

Reviews: Mostly Positive; 75% of 69
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 3 years ago; Jun 14, 2023
Minimum PC: GTX 750 Ti; 4 GB RAM · 14 GB disk; Full requirements

What is Strategic Mind: Spirit of Liberty - Prologue 1939?

This free, single-player wargame covers the opening operations of a historical campaign set in Finland in December 1939. You command Finnish forces against a Soviet invasion, maneuvering units and completing primary and secondary objectives.

For you if...

+you enjoy equipping troops and combining different military unit types

Not for you if...

−you prefer real-time combat to taking turns
−you want a complete campaign rather than an introductory prologue

What players say

75% of 69 reviews are positive

Players praise the Winter War setting and tactical gameplay. Some criticize the voice acting and find the game difficult to learn.

Screenshots and trailer

Strategic Mind: Spirit of Liberty - Prologue 1939 screenshot 1

Strategic Mind: Spirit of Liberty - Prologue 1939 system requirements

Minimum: GTX 750 Ti, 4 GB RAM, 14 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7 SP1, Windows 8.1, Windows 10 (64-bit versions only)
Processor: Dual-core Intel or AMD, 2.0 GHz or faster
Graphics: Nvidia GTX 750 Ti or better or AMD HD 7870 or better
Memory: 4 GB RAM
Storage: 14 GB available space
DirectX: Version 11

Does Strategic Mind: Spirit of Liberty - Prologue 1939 have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Strategic Mind: Spirit of Liberty - Prologue 1939 run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Cloud saves, Family Sharing
Languages: Full audio: English. Text only: French, German, Korean, Polish, Russian, Ukrainian, Simplified Chinese.

Does Strategic Mind: Spirit of Liberty - Prologue 1939 use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam