# Mysterium \- Secrets & Lies

Summer DB entity ID: 987496d0\-a233\-4cbd\-a00b\-8b8832f18186

Steam App ID: 563780

Other secrets still reside in Warwick Manor\.\.\.  With Secrets & Lies, the second expansion of the game Mysterium, the search for the real culprit gets even more challenging\. Thanks to help from the ghost and their 42 new vision cards, it's up to you to shed light on the circumstances of this murder\.    Discover 6 new suspects \(including Count Warwick himself\), 6 new locations and 6 new items\. And for the first time, experience a brand new game mode, thanks to the 19 story cards which are able to replace items for ever more mystery\-filled games\!  Come in, take a seat\.\.\. and let yourself be guided by your sixth sense\!

## Game information

- Type: dlc

- Developer: Twin Sails Interactive, Playsoft

- Publisher: Twin Sails Interactive

- Release date: Nov 21, 2017

- Coming soon: false

- Free to play: false

- Parent Steam app: 556180

- Genres: Strategy

- Categories: Single\-player, Multi\-player, PvP, Online PvP, Co\-op, Online Co\-op, Cross\-Platform Multiplayer, Downloadable Content, In\-App Purchases, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/563780/ss\_0b3f10016beb94a1577ec9af6fdb65625a691752\.1920x1080\.jpg?t=1694188983, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/563780/ss\_bf22a248f9a1e97ab19edd4c91dbb62587b48aab\.1920x1080\.jpg?t=1694188983

- Price: 199 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 7

- Steam positive reviews: 6

- Steam negative reviews: 1

- Steam positive percentage: 85.71428571428571%

- 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/987496d0-a233-4cbd-a00b-8b8832f18186/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/987496d0-a233-4cbd-a00b-8b8832f18186/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\-22T16:57:10\.921552\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-22T16:57:11\.945891\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/563780/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/563780/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/563780"\},"price":"2026\-09\-22T16:57:10\.921552\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-22T16:57:10\.921552\+00:00","players":null,"reviews":"2026\-09\-22T16:57:11\.945891\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"d4826f19\-0094\-4bf9\-8857\-bd435e722810","catalog":"cefc8d78\-f244\-48cd\-b4ac\-40f038df4b02","details":"282e4137\-2263\-495c\-8908\-7040ffcb228b","players":null,"reviews":"903a55c3\-d7aa\-407c\-82d9\-c2d3deee62c0"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"987496d0\-a233\-4cbd\-a00b\-8b8832f18186","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/563780/) · [JSON](/api/v1/games/987496d0-a233-4cbd-a00b-8b8832f18186)