# Bridge Constructor Portal \- Portal Proficiency

Summer DB entity ID: 8f6e408b\-a422\-47cc\-ad16\-661f36478636

Steam App ID: 1113550

Bridge Constructor Portal  receives a fresh DLC as hot as a potato:  Portal Proficiency  Return to the Aperture Science Enrichment Center and experience a brand\-new challenge\. Finally, you are now able to not only construct bridges, but you can even place portals yourself\! It’s just like the real thing\!   Face up to 30 brain\-teasing, remarkably unsafe test chambers in three chapters\. Create insane constructions and decide where to place portals to show if you really are proficient in working with Portals\. Only the bravest and smartest participants will succeed and receive the Golden Condolence Letter\.   Features \-	New Aperture Science test series with 30 brand new, brain\-teasing levels \-	New feature: place the portals in the new test chambers yourself\!

## Game information

- Type: dlc

- Developer: ClockStone

- Publisher: Headup

- Release date: Nov 12, 2019

- Coming soon: false

- Free to play: false

- Parent Steam app: 684410

- Genres: Simulation, Strategy

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

- Platforms: windows, mac, linux

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1113550/ss\_85536b494ee789f3ef4fef0398225a746059d708\.1920x1080\.jpg?t=1717674841, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1113550/ss\_448617038fa600f7a2609aebd774e3c97456c809\.1920x1080\.jpg?t=1717674841, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1113550/ss\_0fa03a173ecf6c69cf5e9c83fb0191dee7bd2428\.1920x1080\.jpg?t=1717674841, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1113550/ss\_7d2a4db308d0127c1306200c8792fb98cafaebe5\.1920x1080\.jpg?t=1717674841, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1113550/ss\_b1c54e8e4e50e566e441367698cd933768e4d3ce\.1920x1080\.jpg?t=1717674841

- Price: 399 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 147

- Steam positive reviews: 130

- Steam negative reviews: 17

- Steam positive percentage: 88.43537414965986%

- 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/8f6e408b-a422-47cc-ad16-661f36478636/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/8f6e408b-a422-47cc-ad16-661f36478636/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\-24T08:56:41\.49034\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-24T08:56:42\.497301\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/1113550/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/1113550/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/1113550"\},"price":"2026\-09\-24T08:56:41\.49034\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-24T08:56:41\.49034\+00:00","players":null,"reviews":"2026\-09\-24T08:56:42\.497301\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"08e4fadb\-0da8\-4c0d\-8a0d\-29820501cbb2","catalog":"b999a1f5\-c6b1\-4638\-8226\-52817de0434e","details":"0866c8a4\-022b\-4312\-9951\-11e70948e570","players":null,"reviews":"a5abc8f4\-7b90\-45d9\-9c25\-20fb93d98472"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"8f6e408b\-a422\-47cc\-ad16\-661f36478636","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/1113550/) · [JSON](/api/v1/games/8f6e408b-a422-47cc-ad16-661f36478636)