# Half\-Life 2: Episode One Soundtrack

Summer DB entity ID: 471dfd0e\-f1d9\-439e\-a83e\-daf44e1d7f9f

Steam App ID: 323150

Several pieces of original incidental music that are interspersed throughout Half\-Life 2: Episode One\.

## Game information

- Type: dlc

- Developer: Valve

- Publisher: Valve

- Release date: Sep 24, 2014

- Coming soon: false

- Free to play: true

- Parent Steam app: 380

- Genres: Not collected

- Categories: Downloadable Content

- Platforms: windows, mac, linux

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/323150/ss\_102787eef6ba7bdcedc04f04e99d1ad072b885db\.1920x1080\.jpg?t=1677106350

- Price: Not collected

- Price country: Not collected

## Observed metrics

- Current players: Not collected

- Steam review count: 239

- Steam positive reviews: 228

- Steam negative reviews: 11

- Steam positive percentage: 95.39748953974896%

- 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/471dfd0e-f1d9-439e-a83e-daf44e1d7f9f/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/471dfd0e-f1d9-439e-a83e-daf44e1d7f9f/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\-22T01:35:15\.983133\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-22T01:35:17\.136823\+00:00

Full provenance: \{"urls":\{"price":null,"catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/323150/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/323150"\},"price":null,"source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-22T01:35:15\.983133\+00:00","players":null,"reviews":"2026\-09\-22T01:35:17\.136823\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":null,"catalog":"9cf916f8\-f06f\-4a20\-b764\-29d6407c92b9","details":"2fbbabff\-8819\-4219\-bcf5\-a1af9fc4361e","players":null,"reviews":"0d5dfd6a\-503d\-4896\-842d\-fd66520f7074"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"471dfd0e\-f1d9\-439e\-a83e\-daf44e1d7f9f","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/323150/) · [JSON](/api/v1/games/471dfd0e-f1d9-439e-a83e-daf44e1d7f9f)