# ACE COMBAT™7: SKIES UNKNOWN \- Unexpected Visitor

Summer DB entity ID: b17f0347\-9a5c\-4681\-9b54\-d42e2f1c68af

Steam App ID: 929100

The 4th add\-on included in the season pass for ACE COMBAT™7: SKIES UNKNOWN\. This add\-on allows you to play the new mission "Unexpected Visitor\."    SP MISSION 01: Unexpected Visitor    A giant Erusean submarine has been discovered in harbor at Artiglio Port\. This submarine launched four years ago, but went missing during a sea trial\. It was found two years later at the bottom of the ocean\. Much of its crew survived and were rescued\.    According to David North, an analyst from the Osean Intelligence Agency's Advanced Weapons Analysis Division, this submarine is a super\-sized nuclear submarine measuring 495 meters in length and powered by two liquid metal cooled reactors\. Dubbed the "Alicorn," it is capable of staging aircraft operations on the scale of a carrier\.    The objective of this operation is to capture the Alicorn\. To do so, the Osean Navy has dispatched a fleet complete with a landing ship\.    "Our mission is to secure air superiority and protect this assault\-and\-capture task force\."

## Game information

- Type: dlc

- Developer: BANDAI NAMCO Studios

- Publisher: BANDAI NAMCO Entertainment

- Release date: Sep 24, 2019

- Coming soon: false

- Free to play: false

- Parent Steam app: 502500

- Genres: Action, Simulation

- Categories: Single\-player, Multi\-player, PvP, Online PvP, Downloadable Content, Steam Achievements, Full controller support, Steam Trading Cards, Steam Cloud, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/929100/ss\_ec3a32939fcf12bde23345bef4280f0675a73f3f\.1920x1080\.jpg?t=1722344644, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/929100/ss\_be0d74892a5b4265fe4b20943aeca99b14af5730\.1920x1080\.jpg?t=1722344644, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/929100/ss\_737444d2d64c041fec9be52c918b621080d3a6f6\.1920x1080\.jpg?t=1722344644, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/929100/ss\_e3f2ed810b18c6990a8458a2205316d3499d5519\.1920x1080\.jpg?t=1722344644, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/929100/ss\_6a6ee6999f09377456eef1ba341dcd6bca10c9df\.1920x1080\.jpg?t=1722344644, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/929100/ss\_f735a824a00f14b52e2ec623fb6e0db67b822eb1\.1920x1080\.jpg?t=1722344644, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/929100/ss\_91ecd633ca3c2133e55766baa39cd8c1ba878cec\.1920x1080\.jpg?t=1722344644, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/929100/ss\_7afcdfe5652b5b9dca0fe22e551b2b576d5981b2\.1920x1080\.jpg?t=1722344644, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/929100/ss\_c15fa5c19547c32035d3e7fd5f8fa466a04edf30\.1920x1080\.jpg?t=1722344644, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/929100/ss\_5283860235a6b907dec0fed4ffe1eb417cd232ad\.1920x1080\.jpg?t=1722344644

- Price: 499 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 255

- Steam positive reviews: 228

- Steam negative reviews: 27

- Steam positive percentage: 89.41176470588235%

- 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/b17f0347-9a5c-4681-9b54-d42e2f1c68af/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/b17f0347-9a5c-4681-9b54-d42e2f1c68af/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\-23T18:26:59\.099503\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-23T18:27:00\.161669\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/929100/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/929100/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/929100"\},"price":"2026\-09\-23T18:26:59\.099503\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-23T18:26:59\.099503\+00:00","players":null,"reviews":"2026\-09\-23T18:27:00\.161669\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"b72a93e8\-e6c7\-4785\-bdd8\-bcbeaf5580e4","catalog":"97ab4ac0\-b2ed\-4824\-a4ce\-1341a20fb886","details":"dc15ad8c\-69e6\-4002\-b305\-34a942cd9897","players":null,"reviews":"a67177e0\-edc1\-4105\-a99c\-23f9ee8daa6a"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"b17f0347\-9a5c\-4681\-9b54\-d42e2f1c68af","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/929100/) · [JSON](/api/v1/games/b17f0347-9a5c-4681-9b54-d42e2f1c68af)