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Languages:
Full Audio
Portuguese-Brazil
Includes 43 Steam Achievements
Title: Hearts of Iron IV
Developer:
Publisher:
Release Date: 6 Jun, 2016
metacritic
Buy Hearts of Iron IV: Cadet Edition
Includes Poland: United and Ready DLC, Forum Avatar and Wallpapers
Buy Hearts of Iron IV: Colonel Edition
Includes Several cosmetic DLCs, Colonel Forum Icon, Poland: United and Ready, Forum Avatar and Wallpapers
Buy Hearts of Iron IV: Field Marshal Edition
Includes Expansion Pass #1, Field Marshal Forum Icon, Art Book, Several cosmetic DLCs, Colonel Forum Icon, Poland: United and Ready, Forum Avatar and Wallpapers
Buy Hearts of Iron IV: Expansion Pass #1
Includes Sabaton Soundtrack, Together for Victory - 2 more expansions to come!
Downloadable Content For This Game
Recent updates
23 February
Hi, 1.3.3 patch is now live and should be downloading on steam as we speak (you might need to restart steam).If you discover any bugs in the patch, please report them in the
as usual.You need to have a Paradox account and sync that with your Steam account to gain access tp the bug report forum. You can find information on how to do that Patchlog:################################################################
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Patch 1.3.3 &Torch&
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- Italy AI should now be better at picking proper units to fight in Ethiopia.
- AI is now inclined to ignore non-dangerous fronts while at war.
- Battle plan AI should no longer &forget& units assigned to attack order.
- Made AI better at dynamically evaluating level of preparation to attack based on expected enemy strength.
- AI should no longer be able to give units ridiculously long retreat or move orders while they are in combat.
- The AI should now be a lot better at handling a surrounded enemy capital.
- AI is less spammy with call to arms and join war requests.
- Battle plan AI unit distribution should now be more stable (though even further improvements would be good).
- AI will no longer declare wars on countries that control no territory, even if they technically exist in a limbo while their faction have not lost a war.
- The AI should now be managing its theaters better.
- AI will now start considering buildup of military constructions after a while, even if peaceful and not directly threatened.
- Naval AI will now attempt to use strike fleets to aid in coastal land combats if they are not on a mission to aid in a naval combat.
- Some minor AI optimizations.
- AI occupation policy is now scriptable, though no scripts for this has been added.
- Repaired a mistake in AI diplo for offering someone to join their faction. Threat from wrong side was used when looking at acceptance.
- Made sure AI considers org when performing naval invasions.
- Eat your vegetables before you get dessert: AI will no longer be declaring wars or justifying claims while in a losing war.
- The AI can now build any scripted building that is a part of an established building category.
- Made sure AI can not send parts of equipment. Half a ship is not particularly useful.
- Fixed a serious issue where AI would never counter resistance with area defense orders, completely ignoring conquered territory.
- AI is now less nervous about neighbors fighting a common enemy and not losing.
- Purged unit_base, as it did nothing apart from making scripting harder. unit_ratio is now the end all an be all of unit production in the scripting, and setting it to anything but a positive value will make the AI NOT build it.
- AI will now remove deployment lines for types it has reached its wanted number for.
- Improved the code behind AI template design, so the scripting should make more sense now.
- Minor tweaks to terrain prio when drawing fallback line which should make the go for mountains more.
- Battle plan AI is now capable of finding more complex paths to front position.
- Some balancing to construction AI focused on improving military industry production.
- Made AI better at calculating supply use when deciding how many divisions it can field.
- Made sure AI is not blocked from researching, even if only crap is left. Script can still set AI desire to 0 to block it.
- Improved naval AI region evaluation and made it better at reacting more efficiently to changing situations.
- AI now considers reinforcement priority for volunteer theater.
- Improved deployment AI to manage lines better and improved calculation of desired number of divisions.
- Added ai_strategy type 'support' that can be used to manipulate a countries desire to send lend lease to another country.
- Added will_lead_to_war_with when Germany demands Sudetenland. Makes AI prepare for a possible war.
- Improvements for air AI airwings picking and distribution
- Now air AI considers AA while prioritizing strategic bombing and defense operations
- AI should no longer be so happy on naval construction over military when it had also alot of civilian industry (hello USA)
- AI can now reprioritize production lines in a few cases to deal with resource lack
- AI us now makes use of more civilian factories when needed for trade
- fixed a case where AI would get sidetracked when designing divisions of specific country type and instead attempt to make generic ones
- added &ai_priority& on battalion types that get calculated by template, ai uses these rather than the visual representation to manage its divisions
- AI is now able to send old equipment as lend lease not just its newest
- AI can now cancel lend leases it can no longer afford or with nations it no longer make sense
- made AI more careful with its stockpile and who to lend lease to
- improved logic for AI's lend leasing
- fixed issue where a big difference in scoring of combat width could make AI refuse to upgrade its divisions
- USA should now lend lease soviets when they are in trouble if they have sufficient spare stockpile
- &support& ai strategy now lets nations lend lease away some of their stockpile buffer too
- fixed a case where AI would fail to deploy its main invasion protect fleet completely if some of the areas were out of range
- fixed AI invadability evaluation sometimes failing on naval path checking
- fixed a case where AI would try to split off fleets when it was not valid
- fixed a case where AI would spam invalid naval moves
- added equipment_stockpile ai strategy that lets you affect how much stockpile ai feels it needs
- all nations with many divisions will now attempt to accumulate bigger stockpiles for safety
- Fixed several cases where overflow of calcualted priorities could make AI do the opposite of what it wanted to do
- Now air ai calls recalculation of air priorities on joining a war
- fixed an issue where air AI would fail to assign mission if the only acceptable one was interception
- fixed a case where Japan would ASK to join germanys wars despite doing badly with china
- nations with restrictive modifiers for joining factions (japan) now super careful about accepting calls to arms to majors (soviet) when still at war with major neighbors (china)
- ai should now no longer get stuck on super large trades and better fulfill its needs (basically skipped the full-trade logic)
- AI now looks for trades in priority order of biggest lack
- AI now prefers trade with closer nations if naval transport required
- AI now likes trading with nations with neutral foreign policy more as they are stable
- lend lease now automatically cancels when war ends for the receiver
- AI is now MUCH better at looking at the equipment cost for switching more templates than just one at a time
- AI cares about infrastructure way more when placing consctruction
- AI should no longer go as happy on naval construction over military (was counting ratio also using civilian so got disproportional large naval part)
- AI us now allowed to trade using more civilian factories
- Ai should now be much better at going for medium tank divisions. Fixed issues with width being off as well as wrong template being used when evaluatign fitness for changing out lines
- rebalanced ai priorities for medium vs light armor so that ai doesnt get stuck thinking its making light when it isnt
- fixed a case where AI was looking at the wrong type when deciding about template upgrades and could get stuck on motorized
- AI should now show greater interest in researching excavation tech.
- Tweaked templates a bit for majors to avoid getting trapped in subpar targets
- Allied AI will no longer guarantee Finland if Soviet justifies war on their claims, while Germany is the biggest threat.
- fixed an issue where some scripted ai strategies would not work after updates (it was order dependant)
- added an AI sanity check to the War with the USSR focus for Germany
- Reduced AI research randomness and improved info in AI research log message
- Made sure AI considers convoy count and possible delivery route before sending lend lease
- AI will now leave potentially hostile nations alone for guarantees until they have generated some actual threat giving you 1-2 smaller wars before you are sucked into the ww2 vortex (makes some minors a lot more playable)
- rebalanced ai priorities for medium vs light armor so that ai doesnt get stuck thinking its making light when it isnt
- fixed a case where AI was looking at the wrong type when deciding about template upgrades and could get stuck on motorized
- Improved AI trade law logic selection
- AI now has a can_upgrade_in_field trigger on templates to give it hints on when to stop producing light tanks and switch over to medium for stuff
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- Battleplans are now hidden during the peace conference to not obstruct the view.
- Players lagging behind message in multiplayer, is now replaced with an alert (tooltip shows who and how much).
- Added alert about having unassigned divisions.
- Added loading progress bars.
- When selecting a division(s), the list of all divisions automatically scrolls to show it.
- It is possible to hide ALL map counters except your units. Hotkey 'M'.
- All the message popups that doesn't require the player choice (yes/no/etc), automatically hides after timeout, to not fill the screen with hundreds of windows. Useful when running the &hands-off& observing game.
- Building constructions and conversions now can be added at the top of the queue by holding ctrl and click.
- Made save game name text field longer.
- Added stockpiling amount to production screen. Changed text to icons.
- Added tooltip to US &Destroyers for Bases& focus to make it clear who gains certain territories
- Fixed a tooltip for the Australian focus &A Deal with Japan& to account for different options of territories transferred
- Fixed legibility issues in event news.199
- Fixed a tooltip issue in the SAF focus tree
- Added dockyard output modifier icon in the production screen
- Fixed wrong division flags in the combat screen
- Missiles now count as bombers in the region air screen
- Fixed issue when multiple army groups was not shown in the volunteer theater groups
- Multiple fixes for trade influence issues with not matching numbers
- Tooltip in the research screen does not show ahead of time penalty if player has 100% ahead of time penalty reduction bonus
- Minor fix for army group leader tooltip, to match numbers when penalty for too many units applied
- Arrows now gets hidden while editing the orders
- Now top bar tooltip for factories also shows damaged ones
- Missiles are not shown in logistics screen anymore
- Fixes for fear trade modifiers being applied in wrong direction
- Now clicking on not existing country in the managing occupied areas screen you won't go to diplomacy screen
- Fixed the bug when plan evaluation numbers was not matching
- Fixed the bug when capital icons were not correctly shown
- Fix for the tooltip on return territory
- Added clarification on non-progressing training by reason of lacking equipment and manpower
- Now Pass button gets disabled in the peace conference if no actions left to take
- Combat log screen now will be shown on top of other screens
- Now load game button disable at the same time as continue button
- Clarified tooltip for opening multiple info windows in the tech and focus tree screens
- Political cost now is hidden when the law is taken
- Fix for the switch to next autonomy level glow (now it is actually hidden)
- Fixed warscore not being calculated properly while war without majors on one side
- Now invalid leader picking screens disappear as army group gets deleted
- Disabled icons while in deployment mode
- Fix for the rules not being updated on savegame load
- If national focus not changing tooltip doesn't show weekly change anymore
- Fixed factory conversion button flickering while non-paused gameplay
- Fixed the bug when techtree was broken after switching country
- Added ability to toggle fog of war map effect on/off
- Tooltips existing lend leases for equipment now show type as well as national flavor name when these differ
- Releasing nations with a lot of states no longer massively overflows popup window
- Multiple rows of division types now possible to be shown in army overview
- Tweaked gradient borders for strategic areas so there is no weird gap between areas (more visible with mods)
- Air wing reinforce limit window now has the +50/+100 buttons jump to closest multiple to avoid clicks for neat sizes, steps are also +5/+10 for carrier parked wings
- Can now increase/decrease queued up ship production faster with ctrl/shift click (ctrl=10 at a time, shift=100 at a time)
- Indian National Army focus now has correct effect description
- Fixed overlap of text in options with certain languages
- Changed shortcut for closing a bunch of production items as ctrl+click it’s easy to miss-click with other shift+click nearby
- Fixed centering of trade scrollbar
- Achievement entry header now highlighted in orange
- Achievement window now movable
- Resistance tick indicator now doesn’t show VP stuff in states where there can’t be resistance
- Clicking rightmost side of savegame edit box no longer deselects editing
- Spelling fix of Trotskyist
- Added tooltip to icons displaying used combat width in the combat window .
- Added tooltip to research button explaining the 30 days grace period.
- Added province tooltip if there is an air base or rocket site present.
- Added state name when hovering over a naval base.
- Renamed &Small arms research time& to &Weapons and Equipment Research Time&
- Explained conditional effect of why we fight focus in tooltip
- Entrenchment tooltip only shows days left when unit is not fully entrenched.
- Fixed rounding issue in resource mapmode
- Made separate production tooltip for naval items, reflecting they don't retain efficiency.
- Added war requirement to lend lease tooltip.
- Armies view: Improved consistency across the different tooltips. Added penalty to the groupview in the bottom of the screen. Moved penalty explanation to delayed.
- Added delayed tooltip to production line filter explaining Shift+click mechanic.
- Removed &Support& header from division icon tooltip when it has no support.
- Changed production line tooltip to no longer lie about total output and resource efficiency to the player.
- Maximum amount of slots is always stated. Factor modifiers not shown if slots & 0. Wasteland is now displayed in same way as other categories.
- Changed &Trade Bonus& modifier to &Overlord trade cost& and made it a negative modifier.
- Added &Stop& button to continuous focus detail screen.
- Added bypass button for focus if they have are mutually exclusive with another, automatically locking players in a branch.
- Moved the disband button, manpower and equipment numbers around for unit details view
- A bunch of tooltips readability improved. Various changes, typo fixed, decimal points changed, etc.
- added ability to toggle fog of war on/off
- Changed efficiency tooltip growth to show daily values instead of weekly
...and more that couldn't fit here on Steam. Please
Enjoy!Note: Players with Windows Vista will probably no longer be able to start the game starting with this update. HOI4 has never supported Vista, but it has somewhat worked before. Now it no longer does so I thought we should give a heads-up on that.Please post any bug reports in the official , thank you!This is not the complete patch log, please
22 February
Patch 1.3.3The patch has been in open beta a few days now and after a few tweaks seem ready for general consumption!The best way to learn about the most important changes is to read the last 2 dev diaries (or furher back if you are interested in the modding aspects). - Industry, infrastructure and world tension changes and new capitulation loot! - Resources now much more important, optimizations, quality of life and AI improvements - New modding features and some new eventsThe plan is to have the patch go live tomorrow once we investigate some final hardware compatability things this afternoon.500k sales!We broke half a million sales of Hearts of Iron IV which the team celebrated with cake and working on the 1.3.3 patch :)As game director for HOI this feels really good and shows that WWII sandbox games are something people want and its not really just a small niche! More practically this means for us that HOI will have a long future ahead of updates and expansions because the support is there for sure :) and speaking of....What now?Once 1.3.3 is out the door we will start work on the 1.4 &Oak& update as well as a DLC, which shall remain mostly secret for now, but without revealing too much will have some axis focus.Our aim is for 1.4 &Oak& to be a bigger than normal patch where we get some time to revamp some systems that have been getting a lot of feedback (Air system will be getting updates for example). A lot of focus will also be put on AI, but we are happy to say that we think it has grown a lot since release. Finally squashing any &frontline dancing& will be top priority there. We have also started working a bit on the side on making the gameplay map clearer and easier to read based on feedback from the community.After Oak in the misty uncertainty future of winter we have our next big game update where we plan to focus on Asia and war-related stuff. Of course subject to change.Next week the team is heading to GDC, and this will be the start of bit of a hiatus in dev diaries. We feel like people prefer big juicy dev diaries so we are going to be back once we have done enough big changes to start talking about them. We plan to be in diary break until April. During that time I'll be sharing progress bits on twitter (which we will also repost here on the forum) and once we return we'll jump back on bigger diaries.Also don't forget to tune in at 16:00CET on
today where me and Daniel continue playing Russia in Kaiserreich in World War Wednesday!Useful links
“Hearts of Iron 4 wields complexity like a swift armor division during the blitzkrieg, allowing it to serve the idea of layered, cerebral, strategic warfare instead of letting it needlessly bog down the experience.”9/10 – “It captivates me because—imperfectly, impressionistically, and perhaps a little amorally—it lets me orchestrate the most titanic armed struggles in history, from the fussy economic details to the cut-and-thrust of mechanized warfare. There are other great strategic-level wargames out there. But I have never played anything like Hearts of Iron 4”8.8/10 – “For now, after many dozens of hours, I'm taking a break from Hearts of Iron 4. Not because I' quite the contrary, in fact. What I need to do is some serious reading, some careful planning on what my vision for the United States should be in 1936. And when I've done that planning — when I've formulated my character sheet, as it were — I have the utmost confidence that Hearts of Iron 4 will be ready for me to play a role in world affairs.”8/10 –
Together for Victory!
The first expansion to Hearts of Iron IV is now available. Find out more about Together for Victory by clicking the image!
Colonel Edition
The Colonel Edition includes the following items:Heavy Cruiser Pack (cosmetic): Seven heavy cruisers available for both Axis and Allies - Exeter, Prinz Eugen and Mogami amongst others.Soviet Tank Pack (cosmetic):Eight tanks for when playing as Soviet, ranging from light all the way up to Super Heavy.US Tank Pack (cosmetic):Eight tanks for when playing as USA, ranging from light all the way up to Super Heavy.British Tank Pack (cosmetic):Eight tanks for when playing as United Kingdom, ranging from light all the way up to Super Heavy.German Tank Pack (cosmetic):Eight tanks for when playing as Germany, ranging from light all the way up to Super Heavy.French Tank Pack (cosmetic):Eight tanks for when playing as France, ranging from light all the way up to Super Heavy.Wallpapers:Wallpapers made with art from the game. Colonel Forum Icon:A icon that can be used on Paradox own forum.
Field Marshal Edition
The Field Marshal Edition includes the following items:Heavy Cruiser Pack (cosmetic): Seven heavy cruisers available for both Axis and Allies - Exeter, Prinz Eugen and Mogami amongst others.Soviet Tank Pack (cosmetic):Eight tanks for when playing as Soviet, ranging from light all the way up to Super Heavy.US Tank Pack (cosmetic):Eight tanks for when playing as USA, ranging from light all the way up to Super Heavy.British Tank Pack (cosmetic):Eight tanks for when playing as United Kingdom, ranging from light all the way up to Super Heavy.Wallpaper (cosmetic):Wallpapers made with art from the game. German Tank Pack (cosmetic):Eight tanks for when playing as Germany, ranging from light all the way up to Super Heavy.French Tank Pack (cosmetic):Eight tanks for when playing as France, ranging from light all the way up to Super Heavy.Avatars:Unique portraits from the game to use as avatars on Paradox Forum.Field Marshal Forum Icon:A icon that can be used on Paradox own forum.Art Book:Art from the creation of Hearts of Iron IV.Expansion Pass #1: Includes the first 3 expansion and it’s related content, to an estimated value of
Expansion Pass #1
Includes the first 3 expansion and it’s related content, to an estimated value of
$49.99.Sabaton Soundtrack is included but excluded from estimated value. Expansion 1 - Together for VictoryExpansion 2 - TBDExpansion 3 - TBD
This is how you access your game book content. The player must connect his/her Paradox account and Steam account.Go to Log inClick SettingsClick
”Connect” your Steam account and follow the instructions.When the player logs into his/her Paradox account in the mobile app – the content is unlocked.direct link to the mobile applications:
About This Game
Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history. From the heart of the battlefield to the command center, you will guide your nation to glory and wage war, negotiate or invade. You hold the power to tip the very balance of WWII.It is time to show your ability as the greatest military leader in the world. Will you relive or change history? Will you change the fate of the world by achieving victory at all costs?Main Features:War is not only won on land, sea and in the air. It’s also achieved in the hearts and minds of men and women.Let the greatest commanders of WW2 fight your war with t tanks, planes, ships, guns and newly discovered weapons of mass destruction.Choose from the greatest powers striving for victory, or the small nations trying to weather the storm.Turn the world into your battlefield: Experience the full WWII timespan in a topographical map complete with seasons, weather and terrain. Snow, mud, storms can be both your strong ally and a ruthless enemy.Experience the advanced politics and diplomacy systems, form factions, engage in trade for resources and appoint ministers to your party.Intense Online Combat: Battle in both competitive and cooperative multiplayer for up to 32 players. Featuring cross-platform multiplayer.Experience the flexible technology system, where all major powers get their own unique identity. Develop detailed historic tanks and planes through research and army experience.Everyone will receive:A Free DLC adds a unique focus tree for Poland, new 3d models for tanks and planes, 2d assets, and extra leader portraits for the ultimate in historical accuracy.Forum avatar for the Paradox forum.
System Requirements
SteamOS + Linux
Minimum:OS: Windows 7 64-bit or newerProcessor: Intel Core 2 Quad Q9400 @ 2.66 GHz / AMD Athlon II X4 650 @ 3.20 GHzMemory: 4 GB RAMGraphics: ATI Radeon HD 5850 or NVIDIA GeForce GTX470 with 1GB VRAMDirectX: Version 9.0cStorage: 2 GB available spaceSound 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 7 64-bit or newerProcessor: Intel Core i5 750 @ 2.66 GHz / AMD Phenom II X4 955 @ 3.20 GHzMemory: 4 GB RAMGraphics: ATI Radeon HD 6950 or NVIDIA GeForce GTX570 with 2GB VRAMDirectX: Version 9.0cStorage: 2 GB available spaceSound 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: Mac OS X 10.10 or betterProcessor: Intel Core i5 @ 2.60 GHz or betterMemory: 4 GB RAMGraphics: ATI Radeon HD 6970MStorage: 2 GB available spaceAdditional 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: Mac OS X 10.11 or betterProcessor: Intel Core i5 @ 2.90 GHz or betterMemory: 8 GB RAMGraphics: ATI Radeon R9 390M or NVIDIA GeForce 750M with 1GB VRAMStorage: 2 GB available spaceAdditional 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: Ubuntu 14.04 LTS x32Processor: Intel Core 2 Quad Q9400 @ 2.66 GHz / AMD Athlon II X4 650 @ 3.20 GHzMemory: 4 GB RAMGraphics: ATI Radeon HD 5850 or NVIDIA GeForce GTX470 with 1GB VRAM / Latest available proprietary drivers from both manufacturersStorage: 2 GB available spaceAdditional 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: Ubuntu 14.04 LTS x64Processor: Intel Core i5 750 @ 2.66 GHz / AMD Phenom II X4 955 @ 3.20 GHzMemory: 4 GB RAMGraphics: ATI Radeon HD 6950 or NVIDIA GeForce GTX570 with 2GB VRAM / Latest available proprietary drivers from both manufacturersStorage: 2 GB available spaceAdditional 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.
Paradox Interactive, HEARTS OF IRON(R) Copyright(C) [2016] Paradox Interactive AB All rights reserved.
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