- Developer
- Good Games,Creobit
- Publisher
- 8Floor
- Released
- Dec 4, 2014
- Price checked
- 1 hour ago
- Tracked since
- Oct 8, 2026
- Product code
- app:320830
Add-on Royal Defense
Royal Defense - Invisible Threat
Where it is cheaper
41 regions
Description
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!
PC requirements
Minimum
- OS
- Windows XP SP3
- Processor
- 1500 MHz
- Memory
- 0.5 GB
- Graphics
- OpenGL 3.0 compliant with 1.0GB of video RAM
- DirectX
- 9.0
- Storage
- 0.2 GB
Recommended
- OS
- Windows 7 or later
- Processor
- 2000 MHz
- Memory
- 1 GB
- Graphics
- OpenGL 3.0 compliant with 1.0GB of video RAM
- DirectX
- 9.0
- Storage
- 0.2 GB
Best price 
Russia ₽82
$1.02
Russia ₽82 All-time low
Steam Buy in Steam In your region $1.99 95% more
Price history
₽82 ₽82
Oct 10 today
- Now
- ₽82
- Lowest
- ₽82 · Oct 10
- Highest
- ₽82
The price has not changed since Oct 10
Ratings
About the game
- Developer
- Good Games,Creobit
- Publisher
- 8Floor
- Released
- December 4, 2014
Age rating
Fantasy violence
Languages 7
| Language | Menus | Voice | Subtitles |
|---|---|---|---|
| English | |||
| Russian |
Install size
- Xbox One
- 830 MB
