Hearts Of Iron Iv: Battle For The Bosporus Free... May 2026

: The update included numerous stability improvements, such as fixing "Out of Sync" (OOS) errors and improving the performance of the national focus interface. DLC-Specific Free Content

The was the free patch released alongside the Battle for the Bosporus country pack for Hearts of Iron IV . While the main expansion adds paid focus trees for Turkey, Greece, and Bulgaria, the free update provides significant refinements to existing Balkan content and general gameplay. Key Free Features of Update 1.10 ("Collie") Hearts of Iron IV: Battle for the Bosporus Free...

: Several new releasable nations were added to the game, including Kurdistan , Herzegovina , Dalmatia , and Transylvania . : The update included numerous stability improvements, such

: New in-game tutorial videos were added to help new players navigate the game's steep learning curve. These are accessible via alerts at the top of the screen. Key Free Features of Update 1

: Received a reworked focus tree for Yugoslavia and tweaks to Romania's starting position.

If you own specific older DLCs, the 1.10 update also provided "free" bonus content for those expansions:

The "Collie" patch focused on improving accessibility and expanding the game's map without requiring a purchase: