4 Patch 1.5 New!: Silent Hunter

Version 1.5 carries over refinements such as red-lit night mode for the command room and interface buttons.

For many, calling it a "patch" is an insult. Officially, it was an add-on. Unofficially, it was the Silent Hunter 4 we had begged for. silent hunter 4 patch 1.5

: The expansion introduces German armed merchant cruisers to assist in your missions. Technical Fixes and Performance Version 1