Merge Elementals: Castle Defense
- Developer
- DUDA Games
- Rating
- 9.3(based on last 6 months)
- Released
- September 2026
- Game engine
- HTML5
- Platforms
- Browser (desktop, mobile, tablet), CrazyGames App (iOS, Android)
- Orientation
- Portrait
Merge Elementals: Castle Defense is a merge, tower defense, and strategy game where a horde is marching on your castle. All that stands in its way is a wall and a handful of elementals.
Merge identical fighters to push them up the tiers. Fire, water, and earth combine into wind, lava, and nature, which combine again into ice, energy, spirit, and sandstorm. With twelve elements in total, some burn an area, some slow the horde, and some eliminate a single target.
Between waves, level up your magic and take three spells into battle, including fireball, frost storm, chain lightning, meteor shower, and dragon call.
The campaign continues across swamp, snow peaks, desert tombs, fungus forest, lava inferno, void, and meadows. Each world features ten waves, with a boss waiting at the end. Your army and gold carry over between worlds, allowing you to keep building your strength as you progress.
Features
- Merge identical fighters to create stronger elementals
- Twelve elements with different abilities and effects
- Level up magic and choose three spells to take into battle
- Defend your castle across multiple unique worlds
- Ten waves per world, ending with a boss battle
- Carry your army and gold between worlds
- Collect chests, keys, scrolls, castle upgrades, and daily rewards
How to Play
Drag identical elementals onto each other. Two fighters of the same type and tier fuse into the next tier. Gold only buys tier-one fighters, while everything above comes from merging. Grid space is limited, so think carefully about what you combine.
Once your line-up is ready, hit Start Wave. Merging is locked during combat. Your fighters aim and shoot automatically, while your job is to cast spells at the right time and keep the wall standing. Every enemy defeated drops gold.
When the wave is over, return to the preparation phase to buy, rearrange, and upgrade your fighters. The last wave of each world is a boss battle, and defeating it unlocks the next biome.
If the wall goes down, you can revive on the spot using gems and continue the battle.
Controls
- Left-click or tap to interact with the in-game UI
- Left-click or tap, then drag to merge identical elementals
- Left-click or tap the spell button, then drag and release to cast the spell.
