# Fantasy Grounds \- Call of Cthulhu: Fatal Experiments

Summer DB entity ID: 1bf14eca\-6d1d\-4b66\-83bd\-1bf6ceb172d7

Steam App ID: 415550

Fatal Experiments is a collection of three independent 1920's adventures for the Call of Cthulhu roleplaying game\. Two of the three scenarios are suitable for both beginning and experienced players, making this book a perfect companion for first\-time buyers of the Call of Cthulhu game system\. The remaining adventure is unusually dangerous \-\- to be played only by experienced, foolhardy investigators\. Author\(s\): Richard Watts, Penelope Love, Kurt Miller, Russell Bullman, Gregory W\. Detwiler, Kevin A\. Ross, L\.N\. Isynwill, William Dunn  Requires:  Call of Cthulhu ruleset  Converted by:   Colin Richardson  Adapted for Fantasy Grounds by:      Requires:  The free Fantasy Grounds virtual tabletop \(VTT\) software and a one time purchase of the Call of Cthulhu ruleset\. Screenshots may differ from what you see in\-game based on the extension and ruleset you have loaded\.

## Game information

- Type: dlc

- Developer: SmiteWorks USA, LLC

- Publisher: Smiteworks USA, LLC

- Release date: Oct 29, 2015

- Coming soon: false

- Free to play: false

- Parent Steam app: 252690

- Genres: Indie, RPG, Strategy

- Categories: Multi\-player, Online PvP, LAN PvP, Shared/Split Screen PvP, Co\-op, Shared/Split Screen, Cross\-Platform Multiplayer, Downloadable Content, Remote Play Together, Family Sharing

- Platforms: windows, mac

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/415550/ss\_1288739037a38250cb3589aaebe20b8ebcd82010\.1920x1080\.jpg?t=1782863126, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/415550/ss\_fdd9bb3a470b2e99a3dac08768515192f606970c\.1920x1080\.jpg?t=1782863126, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/415550/ss\_33ffdf70055f11e32acbd25ed30f5fd90f35a467\.1920x1080\.jpg?t=1782863126

- Price: 999 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 0

- Steam positive reviews: 0

- Steam negative reviews: 0

- Steam positive percentage: Not collected

- 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/1bf14eca-6d1d-4b66-83bd-1bf6ceb172d7/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/1bf14eca-6d1d-4b66-83bd-1bf6ceb172d7/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\-22T07:49:56\.515638\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-22T07:49:58\.514929\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/415550/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/415550/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/415550"\},"price":"2026\-09\-22T07:49:56\.515638\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-22T07:49:56\.515638\+00:00","players":null,"reviews":"2026\-09\-22T07:49:58\.514929\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"c1479bb7\-1a5f\-43f0\-834f\-2c5ee22c07ef","catalog":"b5e72998\-76a3\-48d9\-9b93\-af263719fabc","details":"01e81481\-87bb\-4fae\-9ec7\-994390df35fe","players":null,"reviews":"c467e9e5\-376c\-4b29\-b323\-364b8a68da9f"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"1bf14eca\-6d1d\-4b66\-83bd\-1bf6ceb172d7","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/415550/) · [JSON](/api/v1/games/1bf14eca-6d1d-4b66-83bd-1bf6ceb172d7)