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Set during World War II, scientist Dr. John Russell is sent to Berlin on an undercover mission to investigate the Nazi's interest in an experimental uranium bomb project. He is no trained spy however, so he is accompanied by British MI6 agent Peter Graham, and later Anne Taylor. Next to the main storyline, Russell will also need to find out if his companions are pursuing their own agenda.

This 3D adventure with pre-rendered backgrounds is entirely mouse-driven with a point-and-click interface. The left mouse button moves Russell around and is used to examine objects. The right mouse button is used to pick up or use items. Pressing the latter twice makes the character run. Puzzles consist of researching articles, item combinations, but also mechanical systems and broader puzzles, such as piecing a torn letter together. The game includes a beginner's mode, where pressing a key highlights all important objects in the area.

Optionally, the player can choose to play the entire game with a sepia filter, rendering the images a more authentic and historical feel.


Undercover: Operation Wintersun Windows How can you sneak past these soldiers without being spotted?
Undercover: Operation Wintersun Windows The map of Berlin
Undercover: Operation Wintersun Windows The backgrounds are very rich in detail.
Undercover: Operation Wintersun Windows Reassemble the torn letter.

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Alternate Titles

  • "Совершенно секретно: Операция Wintersonne" -- Russian spelling
  • "Undercover: Operation Wintersonne" -- German title
  • "Undercover: Operación Wintersun" -- Spanish title
  • "Berlin 1943: Les secrets de l'opération Wintersun " -- French title

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Critic Reviews

Adventure Corner Sep 25, 2006 88 out of 100 88
GamesFire Oct 09, 2006 83 out of 100 83
PC Action Oct 30, 2006 76 out of 100 76
Gamigo Oct 11, 2006 7.4 out of 10 74
FOK!games Oct 17, 2007 72 out of 100 72
Adventure Island Dec 12, 2007 7 out of 10 70
Just Adventure Oct 12, 2007 C+ 58 Oct 09, 2007 5 out of 10 50
CanardPC Feb 15, 2007 5 out of 10 50
GameSpot Oct 05, 2007 3 out of 10 30


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Sciere (385109) added Undercover: Operation Wintersun (Windows) on Dec 31, 2006