Fortress Loop

Merge your units, defend the Castle, and protect the King! Choose your perks, and survive endless enemy waves in this fast-paced merge defense game!

Merge – Build – Defend! Step into a unique defense world where your tiny units patrol around the Castle to protect the King from endless waves of incoming enemies.

Core Gameplay

• Summon & place Units in strategic positions to maximize your defense.
• Merge Units to upgrade their power, unlock new abilities, and evolve into stronger forms.
• Units automatically patrol around the Castle, chasing down and eliminating enemies from all directions.
• Defeat Enemies to level up, and after each level you can choose 1 of 3 powerful Perk Cards to customize your strategy.

Key Features

• Many unique Units: tankers, ranged units, AoE mages, support units…
• Diverse Perk system: attack speed, damage boosts, special effects, chain attacks, freeze, and more.
• Strong progression system: the longer you play, the stronger your army becomes.
• Bright visuals – simple controls – fast-paced battles suitable for all players.
• Face Boss challenges and push through endless defense stages.
• Build your ultimate army, merge wisely, and protect the King at all costs!

How long can you survive in this endless defense battle?