Tower Defense

Contains adsIn-app purchases
10K+
Downloads
Content rating
PEGI 3
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this game

Idle Tower Defense Evolved! Build, Upgrade & Rule! 🏰
Welcome to Royal Fortress, the ultimate idle tower defense strategy game! Defend your base, collect rewards, and grow stronger — even while offline. It’s time to turn your tower into an unstoppable war machine!

🔥 Why You'll Love Royal Fortress:
🛠 Upgrade Your Tower Non-Stop
Boost your fortress with auto turrets, armor, and magical skills. Each level brings stronger enemies — are you ready to outsmart them all?

💰 Earn Rewards While AFK
This is idle tower gameplay at its best. Collect coins, materials, and upgrade points — even when you're not playing!

🧪 Permanent Progression System
Unlock powerful research, new tower abilities, and strategic upgrades that stay with you forever. Your fortress gets better every day!

🃏 Skill Card Collection System
Combine and upgrade epic cards to power up your defenses. Build your own meta strategy and crush enemy waves with style.

👹 Massive Waves & Boss Fights
Face hordes of monsters, elite troops, and brutal bosses. Every wave is a test of your build and brain.

📲 Play Now If You Love:
Idle tower defense games
Strategy & base-building
Offline idle rewards
Permanent upgrades & progress
Card-based ability systems
Epic boss battles

Join millions of players and build the strongest idle fortress!
Download Royal Fortress now and defend your tower like a true strategist!
Updated on
Jul 18, 2025
Events & offers

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Financial info, App activity, and Device or other IDs
This app may collect these data types
Personal info, Financial info and 2 others
Data isn’t encrypted

What’s new

Update is here!

• World Map added
• Dungeons now on the map
• New structure type
• New unit: Shielded Slime
• New attacks: Ricochet, Double Shot, Killshot
• Max Speed now unlocks with gems
• New Aura Bonuses
• Battle Pass updated
• Bug fixes and performance improvements

Onward to new adventures!