Royal Defense: Invisible Threat

Defend the fortress as trolls are here to raid your lands! Build towers, earn money, collect crystals

and upgrade your spells – the enemy shall not pass! Repel the aggressor!

OS: Windows XP/Vista/7/8

CPU: 600 Mhz

RAM: 512 MB

DirectX: 9.0

Royal Defense - Invisible Threat is well-known Tower Defense game

40 different progressively challenging levels

17 kinds of creatures

12 kinds of towers and structures

All our PC games were licensed for distribution as freeware by other game publishers or developed by internal game studio.

No pirated software, 100% legal games.

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