# Royal Defense \- Invisible Threat

Summer DB entity ID: 81726712\-1ade\-449c\-9bf1\-5ee3aa6f6885

Steam App ID: 320830

The battles haven't stopped raging in the kingdom\! Invisible Threat contains three new episodes for true tower defense fans\. We've spent more time on balancing the levels for Steam players\. We've also added new enemies to diversify the game\. You'll need to use new tactics to beat them\! Key Features   • Three new episodes  Wasteland – orcs have hidden amongst sharp and dangerous cliffs\. Fiery Plateau – destroy all the enemies on a burning plateau\. Mystic Valley – defend yourself against mystical creatures in an enchanted forest\.       • Four new units , each with its own unique abilities\. Skeleton, Necromancer, Fire Elemental, Nature Elemental\.       • Four new achievements\.  Unique quests made specially for the new episodes\. Challenge yourself with exciting trials\!      • The DLC also contains 150 free crystals for store upgrades\. You can spend them however you like, since you don't need them to complete the game\.  Please leave your comments and suggestions for improving the game and the genre\!

## Game information

- Type: dlc

- Developer: Good Games, Creobit

- Publisher: 8Floor

- Release date: Dec 4, 2014

- Coming soon: false

- Free to play: false

- Parent Steam app: 291170

- Genres: Casual, Indie, Strategy

- Categories: Single\-player, Downloadable Content, Steam Achievements, Steam Trading Cards, Family Sharing

- Platforms: windows, mac

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/320830/ss\_0ebe417123e32b56ed26656351d7aeb5bbcac54b\.1920x1080\.jpg?t=1449574158, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/320830/ss\_4eed1fa22c685ff5aa15d55e2f8f1f20243fd979\.1920x1080\.jpg?t=1449574158, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/320830/ss\_92d19795e5e8a992bfba7bba2fb42762b5d70327\.1920x1080\.jpg?t=1449574158, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/320830/ss\_d5d27d3390fdbe585b970f0be45b6342c1aa238b\.1920x1080\.jpg?t=1449574158, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/320830/ss\_08a5f1553fce6cc20c886b8e14b8a1318f00e386\.1920x1080\.jpg?t=1449574158

- Price: 199 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 9

- Steam positive reviews: 6

- Steam negative reviews: 3

- Steam positive percentage: 66.66666666666667%

- 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/81726712-1ade-449c-9bf1-5ee3aa6f6885/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/81726712-1ade-449c-9bf1-5ee3aa6f6885/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\-22T01:30:27\.886915\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-22T01:30:29\.352869\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/320830/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/320830/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/320830"\},"price":"2026\-09\-22T01:30:27\.886915\+00:00","source":"steam","catalog":"2026\-09\-24T19:57:04\.362365\+00:00","country":"US","details":"2026\-09\-22T01:30:27\.886915\+00:00","players":null,"reviews":"2026\-09\-22T01:30:29\.352869\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"419f9dd4\-f0a6\-4619\-b023\-50618dc4c524","catalog":"ed284eda\-48b9\-4dc0\-96e7\-7e11ff32a2d6","details":"35d53e7b\-8887\-469a\-84f8\-b2647e1c3ac2","players":null,"reviews":"2ea57052\-8764\-40d3\-adbc\-6831f5da9e51"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"81726712\-1ade\-449c\-9bf1\-5ee3aa6f6885","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/320830/) · [JSON](/api/v1/games/81726712-1ade-449c-9bf1-5ee3aa6f6885)