About Tower Defense
Defend your tower, crush waves of enemies in idle battle mode!
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!
What's new in the latest 2.1
• 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!
Tower Defense APK Information
Old Versions of Tower Defense
Tower Defense 2.1
Tower Defense 1.0

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