Darkest Hour: A Hearts of Iron Game Free Download (v1.05.1)
Game Overview
Developed by a team of experienced modders from the Paradox forum, Darkest Hour is a stand-alone Hearts of Iron game. The game features a mixture of short and in-depth campaigns set across the darkest chapters of the 20th century. Play from the outbreak of the Great War up until the onset of the Cold War. Darkest Hour will introduce a new artificial intelligence that is now able to react to hundreds of different situations simultaneously. It implements a dynamic diplomatic system that will allow the player to have a real impact on the course of history. Game Features: Short and grand campaigns allow players to experience the darkest hours of the 20th century, from the Great War to the onset of the Cold War New map, redesigned to offer greater detail as well as strategic and tactical opportunities Dynamic diplomatic system giving the player greater influence on the course of events New artificial intelligence capable of reacting to hundreds of different situations
Installation Instructions
- Click the green button below to be redirected to UploadHaven.
- Wait 15 seconds, then hit “Free Download.” (Free downloads may be slower — upgrade to UploadHaven Pro for faster speeds.)
- Once downloaded, right-click the .zip file and choose “Extract to Darkest Hour: A Hearts of Iron Game.” (You’ll need 7-Zip for this.)
- Open the extracted folder and run the game as administrator.
- Enjoy! 🎮 If you see missing DLL errors, check the _Redist folder inside and install what’s needed.
Download Links
Download Darkest Hour: A Hearts of Iron Game using the button below.
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Darkest Hour: A Hearts of Iron Game (v1.05.1)?
After extracting Darkest Hour: A Hearts of Iron Game (v1.05.1), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 833.69 MB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Why should I run the game as administrator?
Right-click the game executable and select "Run as Administrator" to avoid save file issues and permission errors. This is especially important on the first launch.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Try running in compatibility mode, install the latest DirectX runtime, or install the All-in-One VC Redist Package.
My antivirus is blocking the game — is it safe?
Antivirus false positives are common with pre-installed games. Temporarily pause your antivirus during extraction to prevent it from quarantining game files. You can re-enable it after the extraction completes.
System Requirements
- OS: Windows 98/ ME / 2000 / XP / Vista / 7
- Processor: Pentium III 800 MH
- Memory: 128 MB Ram
- Hard Disk Space: 2 GB hard disk space
- Video Card: 4 MB DirectX-compatible
- Sound: DirectX 9.0c Compatible
- DirectX®: DirectX 9.0 or higher
- Additional: Mouse with scroll wheel, keyboard and internet for multiplayer
Screenshots

