# Europa Universalis III: Heir to the Throne Summer DB entity ID: d53a2b1c\-8832\-4b84\-935a\-c2318d7a878b Steam App ID: 25806 Requested by the fans, Heir to the Throne is the third expansion to the preeminent historical strategy game Europa Universalis III\. The expansion takes the hugely successful game beyond Complete, with improvements across the board\. GAME FEATURES: Intriguing Casus Belli system, where wars have specific goals from start to finish\. Monarchs now belong to dynasties, with far reaching effects on the diplomatic model\. More involving and powerful Holy Roman Empire and Papacy options\. Special diplomatic options for Republics\. Set your National Focus in a province to enhance growth and strengthen your hold in the region\. Permanent Terra Incognita removed and replaced with impassable regions\. Cultural Tradition allows better advisors in the same way that Military Tradition allows better generals and admirals\. Many other additions and improvements\. ## Game information - Type: dlc - Developer: Paradox Interactive - Publisher: Paradox Interactive - Release date: Dec 15, 2009 - Coming soon: false - Free to play: false - Parent Steam app: 25800 - Genres: Not collected - Categories: Single\-player, Multi\-player, Downloadable Content, Family Sharing - Platforms: windows - Website: Not collected - Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_c16892d7a79cc629e5456345fd0896641350b695\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_b78f0be20e5463e9601e081ba95569f26d097f42\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_9d9e8e4261f58e9b0a6005306ceb560e39acd118\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_8d2c270d188e96518f80dda0d6085df4c8855bea\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_d271fe22c1335b3787c9dafd4f92eb773576f60f\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_4fd1e6dae5ceced058c1588497bb4113b2a186de\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_2094be749b0285f7340673921fd8d52fc90ae172\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_932df0802fbddeb12363c4560aa803a1c622a761\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_ba8666bfa9c187100979cf9f84c641559b18c658\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_797a1b36bc4d05c2805235580be8229d598de8c7\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_dff7f38e800a76697f7481749ad3128071094e76\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_a5ffd22ca28483cabcba3a4e6e366f9a6cb4af30\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_fd0dda18b419c3b91e71264ff42e007943ed38f2\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_3d36ec3e09945188b691182a327f3bcd7ff2de29\.1920x1080\.jpg?t=1589879472, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/25806/ss\_e47cad070fcfff65751a793ea14c4164fa494e30\.1920x1080\.jpg?t=1589879472 - Price: 999 minor units USD; discount 0% - Price country: US ## Observed metrics - Current players: Not collected - Steam review count: 36 - Steam positive reviews: 30 - Steam negative reviews: 6 - Steam positive percentage: 83.33333333333333% - Summer DB rating: No native votes Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\} ## Player history [Seven-day chart data as Markdown](/api/v1/entities/d53a2b1c-8832-4b84-935a-c2318d7a878b/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/d53a2b1c-8832-4b84-935a-c2318d7a878b/player-metrics?days=7) Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown. ## Sources and freshness - Catalog membership: store\_catalog - Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00 - Details observed: 2026\-09\-28T18:28:49\.553483\+00:00 - Player count observed: Not collected - Reviews observed: 2026\-09\-28T18:28:50\.561162\+00:00 Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/25806/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/25806/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/25806"\},"price":"2026\-09\-28T18:28:49\.553483\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-28T18:28:49\.553483\+00:00","players":null,"reviews":"2026\-09\-28T18:28:50\.561162\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"7b6799ff\-22ab\-4463\-98b4\-ca23f1d18670","catalog":"1d22ae13\-decc\-4a95\-a685\-3ea5a2b6c930","details":"b0c4b901\-af46\-44ad\-8b61\-ad7001e9442d","players":null,"reviews":"5b1506ec\-72b4\-4599\-9e68\-b05fdbc6889c"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\} Native rating methodology: \{"count":0,"average":null,"entityId":"d53a2b1c\-8832\-4b84\-935a\-c2318d7a878b","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\} Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted. [Steam store](https://store.steampowered.com/app/25806/) · [JSON](/api/v1/games/d53a2b1c-8832-4b84-935a-c2318d7a878b)