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Royal Defense: Invisible Threat (DLC) (PC) Steam Key - GLOBAL
Gameseal4.4•Activate on: Steam•Standard
$0.64 Get -
Royal Defense - Invisible Threat DLC Steam CD Key
Kinguin4.6•Activate on: Steam•Standard
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Royal Defense - Invisible Threat Steam Key GLOBAL
G2A.COM4•Activate on: Steam•Standard
$1.01 Get-9% $1.12 -
Royal Defense - Invisible Threat (DLC)
Difmark4•Activate on: Steam•Standard
$1.54 Get -
Royal Defense: Invisible Threat
GamersGate3.9•Activate on: DRM-free•Standard
$1.99 Get -
Royal Defense: Invisible Threat
Activate on: Steam•Standard
$1.99 Get
About Royal Defense: Invisible Threat
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 Specifications
- Single player
- PlayStation 4
- Windows
- iOS
- PlayStation Vita
- Xbox One
System Requirements
Windows
Minimum
- OS *: Windows XP SP3
- Processor: 1500 MHz
- Memory: 512 MB RAM
- Graphics: OpenGL 3.0 compliant with 1.0GB of video RAM
- DirectX: Version 9.0
- Storage: 75 MB available space
Recommended
- OS *: Windows 7 or later
- Processor: 2000 MHz
- Memory: 1 GB RAM
- Graphics: OpenGL 3.0 compliant with 1.0GB of video RAM
- DirectX: Version 9.0
- Storage: 75 MB available space
macOS
Minimum
- OS: OS X 10.6
- Processor: 1500 MHz
- Memory: 1 GB RAM
- Graphics: OpenGL 3.0 compliant with 1.0GB of video RAM
- Storage: 75 MB available space
Recommended
- OS: OS X 10.8
- Processor: 2000 MHz
- Memory: 1 GB RAM
- Graphics: OpenGL 3.0 compliant with 1.0GB of video RAM
- Storage: 75 MB available space
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Price History
Frequently asked questions about Royal Defense: Invisible Threat
What is the cheapest price for Royal Defense: Invisible Threat Steam key?
The cheapest redeemable Steam key currently listed is $0.64 at Gameseal. Prices were last checked on November 12, 2026.
View key offersWhat is the difference between key and account offers for Royal Defense: Invisible Threat?
Gamescade currently lists 6 redeemable keys and no account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.
View key offersWhat are the PC system requirements for Royal Defense: Invisible Threat?
Minimum PC requirements for Royal Defense: Invisible Threat include a 1500 MHz CPU, 512 MB RAM, a GPU with OpenGL 3.0 compliant with 1.0GB of video RAM, and 75 MB of available storage. See the full requirements below.
What is the Royal Defense: Invisible Threat release date?
Royal Defense: Invisible Threat was released on February 9, 2013.
Is Royal Defense: Invisible Threat single-player, multiplayer, or co-op?
Royal Defense: Invisible Threat is listed as a single-player game. No multiplayer or co-op modes are currently listed.
Where can Royal Defense: Invisible Threat offers be activated?
Current Royal Defense: Invisible Threat key offers can be activated on Steam. Check the retailer page for region restrictions before buying.
Which platforms have active Royal Defense: Invisible Threat deals?
Gamescade currently lists active Royal Defense: Invisible Threat deals for PC.
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