# Half\-Life: Blue Shift

Summer DB entity ID: 8589c7d0\-2431\-4f95\-96ec\-57a1416e2a2b

Steam App ID: 130

Made by Gearbox Software and originally released in 2001 as an add\-on to Half\-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations\.

## Game information

- Type: game

- Developer: Gearbox Software

- Publisher: Valve

- Release date: Jun 1, 2001

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Action

- Categories: Single\-player, Custom Volume Controls, Adjustable Difficulty, Playable without Timed Input, Save Anytime, Family Sharing

- Platforms: windows, mac, linux

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/130/0000000127\.1920x1080\.jpg?t=1745368541, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/130/0000000128\.1920x1080\.jpg?t=1745368541, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/130/0000000129\.1920x1080\.jpg?t=1745368541, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/130/0000000130\.1920x1080\.jpg?t=1745368541, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/130/0000000131\.1920x1080\.jpg?t=1745368541

- Price: 499 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 41

- Steam review count: 21270

- Steam positive reviews: 19695

- Steam negative reviews: 1575

- Steam positive percentage: 92.59520451339915%

- 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/8589c7d0-2431-4f95-96ec-57a1416e2a2b/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/8589c7d0-2431-4f95-96ec-57a1416e2a2b/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\-24T19:57:04\.362365\+00:00

- Details observed: 2026\-09\-21T17:47:31\.793346\+00:00

- Player count observed: 2026\-09\-21T17:47:33\.029428\+00:00

- Reviews observed: 2026\-09\-21T17:47:32\.812227\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/130/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/130/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=130","reviews":"https://store\.steampowered\.com/appreviews/130"\},"price":"2026\-09\-21T17:47:31\.793346\+00:00","source":"steam","catalog":"2026\-09\-24T19:57:04\.362365\+00:00","country":"US","details":"2026\-09\-21T17:47:31\.793346\+00:00","players":"2026\-09\-21T17:47:33\.029428\+00:00","reviews":"2026\-09\-21T17:47:32\.812227\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"6095494f\-81a0\-4cf9\-b6d1\-d7bcb216a03e","catalog":"7d43e403\-7d4e\-408b\-89a7\-22bc366248ee","details":"4e61930f\-b19a\-4f90\-ad2e\-728b73a35903","players":"a08a0fa3\-d316\-4577\-84b2\-91c1eacfcd9a","reviews":"32c1e6b0\-1fc2\-43be\-9d60\-11b35862fc1b"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"8589c7d0\-2431\-4f95\-96ec\-57a1416e2a2b","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/130/) · [JSON](/api/v1/games/8589c7d0-2431-4f95-96ec-57a1416e2a2b)