SteamGlobalPEGI 3Royal Defense - Invisible Threat DLC
Region — Works worldwide — no region restriction.
Can be activated in United StatesWindowsScreenshots & trailer
Buy Royal Defense - Invisible Threat DLC key
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! Features 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!
How to activate Royal Defense - Invisible Threat DLC on Steam
- 01
Buy & receive your code
Complete checkout — your code lands in your inbox in ~30 seconds, and is always available under Orders in your Gameplug account.
- 02
Open Steam
In the desktop client: top-left menu "Games" → "Activate a Product on Steam…" (or use the web link below).
- 03
Enter your key
Paste the key (format XXXXX-XXXXX-XXXXX) and accept the Steam Subscriber Agreement.
- 04
Install & play
The game joins your library permanently — install it on any machine you sign in to.
Code not working? Contact support — confirmed-invalid codes are replaced or refunded.
Royal Defense - Invisible Threat DLC system requirements
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