Hearts of Iron IV: Thunders at Our Gates

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DLC
Downloadable Content. This content requires Hearts of Iron IV on the same platform in order to play
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This title is redeemed via Steam. Your key will require activation on Steam. Find out more

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About Hearts of Iron IV: Thunders at Our Gates

About this DLC

Step into the heart of command in Thunder at Our Gates, a Theater Pack for Hearts of Iron IV. Expand on the art of organizing a campaign with new features such as military headquarters and navy captains, as well as unique new content for nations caught between rival empires; Australia, Siam and Indonesia.

Hearts of Iron IV: Thunder at Our Gates includes:

  • Australia Focus Tree: Support your Allies across the world and hold fast as the last bastion against Japan in the Pacific, or make use of your unstable political climate to change your course entirely.
  • Siam Focus Tree: Turn rival nations into pawns, exploit the great powers and carve out your own empire in Southeast Asia.
  • Indonesia Focus Tree: Steer the course of Indonesia’s future; remain under Dutch rule, or seize the moment to fight for independence alone, or under a new patron.
  • Military HQs: Deploy your generals where they matter. Wield local command and support your troops through synergies with updated command abilities, proximity, and new division design features.
  • Ship Captains: Named captains lead your ships, where they earn skills and can be promoted to admirals to command your fleets

DLC Details

Platform:
steam
Release Date:
June 11, 2026
Developer:
Paradox Development Studio
Publisher:
Paradox Interactive
Rating:
PEGI rating of 7
USK rating of 12
Supported Languages:
English
Franchise:
Hearts of Iron
Features:
Singleplayer
Multiplayer

Co-op

Cross platform multiplayer

Downloadable content

Steam achievements

Steam trading cards

Steam workshop

Steam cloud

Remote play on tablet

Family sharing

Product Requirements

Steam account is required for game activation and installation.
This content requires the base game Hearts of Iron IV on Steam in order to play.

Windows Requirements

Minimum:

  • OS: Windows® 10 Home 64 Bit
  • Processor: Intel® Core™ i5 750 | AMD® FX 4300
  • Memory: 4 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 470 (1.28GB) | AMD® HD 5850 (1GB) | Intel Iris Xe G7 (Tiger Lake) | AMD® Radeon™ RX Vega 11
  • DirectX: Version 9.0c
  • Storage: 2 GB available space
  • Sound Card: Direct X- compatible soundcard.
  • Additional Notes: Mouse and keyboard are required. / Latest available WHQL drivers from both manufacturers/ Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Recommended:

  • OS: Windows® 10 Home 64 bit
  • Processor: Intel® Core™ i5 2500K | AMD® Ryzen 3 2200G
  • Memory: 6 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 570 (1.28GB) | AMD® Radeon™ HD 7970 (3GB) | Intel Iris Xe G7 (Tiger Lake)
  • DirectX: Version 9.0c
  • Storage: 2 GB available space
  • Sound Card: Direct X- compatible soundcard.
  • Additional Notes: Mouse and keyboard are required. / Latest available WHQL drivers from both manufacturers. / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Mac OS Requirements

Minimum:

  • OS: OS: macOS 13 (Ventura)
  • Processor: Intel Core i5 @ 2.60 GHz or better
  • Memory: 4 GB RAM
  • Graphics: ATI Radeon HD 6970M
  • Storage: 2 GB available space
  • Additional Notes: Mouse and keyboard are required. / Latest available proprietary drivers / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Recommended:

  • OS: OS: macOS 13 (Ventura)
  • Processor: Intel Core i5 @ 2.90 GHz or better
  • Memory: 8 GB RAM
  • Graphics: ATI Radeon R9 390M or NVIDIA GeForce 750M with 1GB VRAM
  • Storage: 2 GB available space
  • Additional Notes: Mouse and keyboard are required. / Latest available proprietary drivers from both manufacturers/ Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Linux Requirements

Minimum:

  • OS: OS: Ubuntu 22.04
  • Processor: Intel Core 2 Quad Q9400 @ 2.66 GHz / AMD Athlon II X4 650 @ 3.20 GHz
  • Memory: 4 GB RAM
  • Graphics: ATI Radeon HD 5850 or NVIDIA GeForce GTX470 with 1GB VRAM / Latest available proprietary drivers from both manufacturers
  • Storage: 2 GB available space
  • Additional Notes: Controller support: 3-button mouse, keyboard, and speakers are required. / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Recommended:

  • OS: OS: Ubuntu 22.04
  • Processor: Intel Core i5 750 @ 2.66 GHz / AMD Phenom II X4 955 @ 3.20 GHz
  • Memory: 4 GB RAM
  • Graphics: ATI Radeon HD 6950 or NVIDIA GeForce GTX570 with 2GB VRAM / Latest available proprietary drivers from both manufacturers
  • Storage: 2 GB available space
  • Additional Notes: Controller support: 3-button mouse, keyboard, and speakers are required. / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Product Requirements

Steam account is required for game activation and installation.
This content requires the base game Hearts of Iron IV on Steam in order to play.

Windows Requirements

Minimum:

  • OS: Windows® 10 Home 64 Bit
  • Processor: Intel® Core™ i5 750 | AMD® FX 4300
  • Memory: 4 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 470 (1.28GB) | AMD® HD 5850 (1GB) | Intel Iris Xe G7 (Tiger Lake) | AMD® Radeon™ RX Vega 11
  • DirectX: Version 9.0c
  • Storage: 2 GB available space
  • Sound Card: Direct X- compatible soundcard.
  • Additional Notes: Mouse and keyboard are required. / Latest available WHQL drivers from both manufacturers/ Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Recommended:

  • OS: Windows® 10 Home 64 bit
  • Processor: Intel® Core™ i5 2500K | AMD® Ryzen 3 2200G
  • Memory: 6 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 570 (1.28GB) | AMD® Radeon™ HD 7970 (3GB) | Intel Iris Xe G7 (Tiger Lake)
  • DirectX: Version 9.0c
  • Storage: 2 GB available space
  • Sound Card: Direct X- compatible soundcard.
  • Additional Notes: Mouse and keyboard are required. / Latest available WHQL drivers from both manufacturers. / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Mac OS Requirements

Minimum:

  • OS: OS: macOS 13 (Ventura)
  • Processor: Intel Core i5 @ 2.60 GHz or better
  • Memory: 4 GB RAM
  • Graphics: ATI Radeon HD 6970M
  • Storage: 2 GB available space
  • Additional Notes: Mouse and keyboard are required. / Latest available proprietary drivers / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Recommended:

  • OS: OS: macOS 13 (Ventura)
  • Processor: Intel Core i5 @ 2.90 GHz or better
  • Memory: 8 GB RAM
  • Graphics: ATI Radeon R9 390M or NVIDIA GeForce 750M with 1GB VRAM
  • Storage: 2 GB available space
  • Additional Notes: Mouse and keyboard are required. / Latest available proprietary drivers from both manufacturers/ Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Linux Requirements

Minimum:

  • OS: OS: Ubuntu 22.04
  • Processor: Intel Core 2 Quad Q9400 @ 2.66 GHz / AMD Athlon II X4 650 @ 3.20 GHz
  • Memory: 4 GB RAM
  • Graphics: ATI Radeon HD 5850 or NVIDIA GeForce GTX470 with 1GB VRAM / Latest available proprietary drivers from both manufacturers
  • Storage: 2 GB available space
  • Additional Notes: Controller support: 3-button mouse, keyboard, and speakers are required. / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Recommended:

  • OS: OS: Ubuntu 22.04
  • Processor: Intel Core i5 750 @ 2.66 GHz / AMD Phenom II X4 955 @ 3.20 GHz
  • Memory: 4 GB RAM
  • Graphics: ATI Radeon HD 6950 or NVIDIA GeForce GTX570 with 2GB VRAM / Latest available proprietary drivers from both manufacturers
  • Storage: 2 GB available space
  • Additional Notes: Controller support: 3-button mouse, keyboard, and speakers are required. / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

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Frequently Asked Questions

Yes, you will need Hearts of Iron IV on the same platform to play Hearts of Iron IV: Thunders at Our Gates.
Available DLCs for Hearts of Iron IV include Expansion Pass 2, Focus Pack Peace For Our Time, Allied Armor Pack, and Axis Armor Pack
According to USK, Hearts of Iron IV: Thunders at Our Gates is suitable for players aged 12 and above.

Steam account is required for game activation and installation.
This content requires the base game Hearts of Iron IV on Steam in order to play.

Windows Requirements

Minimum:

  • OS: Windows® 10 Home 64 Bit
  • Processor: Intel® Core™ i5 750 | AMD® FX 4300
  • Memory: 4 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 470 (1.28GB) | AMD® HD 5850 (1GB) | Intel Iris Xe G7 (Tiger Lake) | AMD® Radeon™ RX Vega 11
  • DirectX: Version 9.0c
  • Storage: 2 GB available space
  • Sound Card: Direct X- compatible soundcard.
  • Additional Notes: Mouse and keyboard are required. / Latest available WHQL drivers from both manufacturers/ Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Recommended:

  • OS: Windows® 10 Home 64 bit
  • Processor: Intel® Core™ i5 2500K | AMD® Ryzen 3 2200G
  • Memory: 6 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 570 (1.28GB) | AMD® Radeon™ HD 7970 (3GB) | Intel Iris Xe G7 (Tiger Lake)
  • DirectX: Version 9.0c
  • Storage: 2 GB available space
  • Sound Card: Direct X- compatible soundcard.
  • Additional Notes: Mouse and keyboard are required. / Latest available WHQL drivers from both manufacturers. / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Mac OS Requirements

Minimum:

  • OS: OS: macOS 13 (Ventura)
  • Processor: Intel Core i5 @ 2.60 GHz or better
  • Memory: 4 GB RAM
  • Graphics: ATI Radeon HD 6970M
  • Storage: 2 GB available space
  • Additional Notes: Mouse and keyboard are required. / Latest available proprietary drivers / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Recommended:

  • OS: OS: macOS 13 (Ventura)
  • Processor: Intel Core i5 @ 2.90 GHz or better
  • Memory: 8 GB RAM
  • Graphics: ATI Radeon R9 390M or NVIDIA GeForce 750M with 1GB VRAM
  • Storage: 2 GB available space
  • Additional Notes: Mouse and keyboard are required. / Latest available proprietary drivers from both manufacturers/ Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Linux Requirements

Minimum:

  • OS: OS: Ubuntu 22.04
  • Processor: Intel Core 2 Quad Q9400 @ 2.66 GHz / AMD Athlon II X4 650 @ 3.20 GHz
  • Memory: 4 GB RAM
  • Graphics: ATI Radeon HD 5850 or NVIDIA GeForce GTX470 with 1GB VRAM / Latest available proprietary drivers from both manufacturers
  • Storage: 2 GB available space
  • Additional Notes: Controller support: 3-button mouse, keyboard, and speakers are required. / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Recommended:

  • OS: OS: Ubuntu 22.04
  • Processor: Intel Core i5 750 @ 2.66 GHz / AMD Phenom II X4 955 @ 3.20 GHz
  • Memory: 4 GB RAM
  • Graphics: ATI Radeon HD 6950 or NVIDIA GeForce GTX570 with 2GB VRAM / Latest available proprietary drivers from both manufacturers
  • Storage: 2 GB available space
  • Additional Notes: Controller support: 3-button mouse, keyboard, and speakers are required. / Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.
Hearts of Iron IV: Thunders at Our Gates was released on June 11, 2026
Yes, Hearts of Iron IV: Thunders at Our Gates supports MacOS.
Yes, Hearts of Iron IV: Thunders at Our Gates supports Linux.
Hearts of Iron IV: Thunders at Our Gates is published by Paradox Interactive
Hearts of Iron IV: Thunders at Our Gates was developed by Paradox Development Studio
©2016-2023 and published by Paradox Interactive AB, HEARTS OF IRON and PARADOX INTERACTIVE are trademarks and/or registered trademarks of Paradox Interactive AB in Europe, the U.S., and other countries. All other trademarks, logos, and copyrights are the property of their respective owners.

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