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Book synopsis

December 1944. The Battle of the Bulge was already hell. Then the rules changed.
When the Ardennes forest becomes trapped inside a mysterious battlefield "instance," American and German soldiers discover a terrifying new reality.

The war now has a system.

Enemies have health bars. Soldiers gain classes. Missions appear in the middle of combat. The dead do not stay buried.
Staff Sergeant Daniel Mercer only has one mission: get his squad to Bastogne alive.
But surviving the frozen battlefield means facing more than enemy soldiers. The forest is creating monsters from the horrors of war - and something beneath the snow is controlling the game.

As Mercer and his squad fight through impossible battles, they must decide:

• Is the System a weapon?
• A miracle?
• Or something far worse?

Winter Protocol combines the brutal realism of World War II combat with the addictive progression of LitRPG and the atmosphere of dark fantasy horror.

• A frozen battlefield.
• A broken reality.
• A war where every soldier is both a player and a target.

Is Winter Protocol a historical fiction novel?
Yes. The story uses the real Battle of the Bulge and Ardennes Offensive as its foundation while adding a supernatural LitRPG system.
Is this a LitRPG book?
Yes ! Light Version. The novel includes light game-like mechanics such as classes, levels, abilities, objectives, and progression integrated into a WWII setting.
Do I need to know WWII history to enjoy this book?
No. The story focuses on survival, characters, combat, mystery, and the discovery of the System.
Is this the first book in a series?
Yes. Winter Protocol begins the System Winter series.

Book details

• Full title: Winter Protocol
• Subtitle: System Winter - Book 1
• Author: SAK
• Language: English
• Binding: Paperback
• Number of pages: 224
• EAN: 9798170982165
• ID: 53696957
• Publisher: Independently published
• Weight: 278 g
• Dimensions: 229 × 152 × 14 mm
• Date of publishing: 31. August 2026

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