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Defend your fortress from relentless slime hordes in Monster Attack: Tower Defense! This engaging idle tower defense game offers a massive upgrade system with over 50+ enhancements to create a powerful and unique fortress. Enjoy fascinating, simple gameplay where you don't need to constantly shoot – automation handles the battles while you focus on strategic upgrades. Purchase new upgrades to obliterate slime monster crowds, conquer endless waves of enemies, and climb the leaderboard to see how long you can survive. Customize your tower with powerful enhancements and strategies to outlast the attacks. It’s an addictive arcade game perfect for short bursts of play or extended idle sessions. Download now and become the ultimate slime-fighting champion! Features include: a vast selection of upgrades, intuitive controls suitable for portrait mode, and a challenging yet rewarding experience where strategic planning is key. Conquer the monster ranks, build your empire, and dominate the leaderboard! Prepare to unleash devastating attacks against overwhelming waves of enemies in this addictive idle adventure. Monster Attack Tower Defense,idle tower defense,tower defense game,slime defense,monster attack,tower upgrade,arcade game,AFK game,strategy game,fortress defense,endless monsters,upgrade game,leaderboard,mobile game,mobile tower defense,casual game,portrait mode