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Hearts of Iron IV: Seaplane Tenders

This content requires the base game Hearts of Iron IV on Steam in order to play.

Release Date:
Sep 25, 2025
Developer:
Publisher:
Paradox Interactive
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About This Content

Dominate the Pacific Ocean with the Instant Unlock Bonus Seaplane Tenders; adding unit art for three new ships - Japanese, Australian and American seaplane tenders.

The included seaplane tenders are based on the following ships:

  • HMAS Albatross (1928) (Australia)

  • Seaplane tender Akitsushima (Japan)

  • USS Barnegat (AVP-10) (USA)

System Requirements

Windows
macOS
SteamOS + Linux
    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.
    Minimum:
    • OS: OS: macOS 10.14 (Mojave)
    • 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 10.14 (Mojave)
    • 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.
    Minimum:
    • OS: OS: Ubuntu 20.04
    • 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 20.04
    • 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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