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About Hearts of Iron IV: Prototype Vehicles
About this DLC
This unit pack includes unit art for wartime vehicles that never saw a production line. From advanced warplane designs to theoretical battle vehicles, this unit pack adds even more alternate history flavour with technological marvels and oddities that could have changed the course of the war.
DLC Details
- Platform:
- steam
- Release Date:
- May 15, 2025
- Developer:
- Paradox Development Studio
- Publisher:
- Paradox Interactive
- Rating:
- Supported Languages:
- English
- Franchise:
- Hearts of Iron
- Genres:
- Simulation
Strategy
- 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 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.
Linux Requirements
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.
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 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.
Linux Requirements
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.
Frequently Asked Questions
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 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.
Linux Requirements
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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