Hell Merge TD

Build a demonic base! Merge buildings and survive endless enemy waves!

Descend into a world ruled by darkness, where every soul fuels your rise to power.
In this demonic strategy-builder, you can shape your fortress by placing Tetris-like buildings, merging them into stronger forms, and preparing for brutal waves of enemies attacking from all sides.
Build your citadel of chaos and command the forces of the Abyss!
🕸️ Build & Shape Your Hellish Base!
Place buildings of various shapes onto the grid and forge a fortress that shows your strategy. Every tile matters! Every placement can decide victory or destruction!
🔥 Merge to Evolve!
Combine identical structures to unlock powerful upgraded versions. Turn weak outposts into monstrous citadels of war!
💀 Harvest Souls!
Construct Soul Mines to gather the most valuable resource of the underworld. Souls fuel the growth of your fortress! Increse your defenses and expand your demonic domain!
⚔️ Defend Against Relentless Waves!
Your military buildings summon demonic units to fight invading hordes. Barricades slow the enemy, towers cover them with cannon balls! Your management of buildings determines your survival.
🩸 Protect the Main Castle!
Your Castle is the heart of your fortress. If it falls, all is lost. Survive one wave after another, rebuild, reinforce — and prepare for greater horrors ahead!
Rise from the ashes of the damned, construct the ultimate infernal stronghold, and prove you are the one true Master of the Abyss!