🏰 Campaign · Merge Strategy

Castle Gate Campaign

Merge auto-firing shooters and defend a castle gate before a horde. Free, no download.

How to play

• Tap an empty grid slot to buy a level-1 shooter (costs coins).
• Drag one shooter onto another of the SAME level to fuse a stronger one.
• Shooters auto-fire up their lanes — keep every lane covered.
• Spend coins from kills and wave bonuses to keep merging up.

Why you'll play it

• Campaign mode — clear a fixed run of waves with a boss finale.
• 5×3 merge grid with up to 10 fusion levels.
• Castle Gate theme: a castle gate before a horde.
• Auto-firing lane defence, coin economy, boss waves every fifth round, infinite scaling.

One quick tip

Survive to the final boss wave to win the map. Merge aggressively, cover every lane and focus the boss waves.

Ready?

Survive to the final boss wave to win the map.