How to Beat Standard (Hard) on Three Mines ‘Round – BTD6 Strategy

To clear Hard Standard on the new Three Mines ’Round map, this setup gives you a fast, reliable, and safe path to victory. The core damage comes from your naval power, supported by strong camo control and Quincy’s early utility. Follow these steps to secure an easy win.

Start with Quincy. Use his abilities anytime you want to speed up the rounds.
Place a Monkey Buccaneer and upgrade it to 2-2-0. As you earn more money, continue upgrading Path 1 to reach 3-2-0 Destroyer, then 4-2-0 Aircraft Carrier.
For camo balloons, place a Sniper Monkey and upgrade it to 0-2-2. Keep upgrading Path 3 until you reach 0-2-5 Elite Defender for maximum cleanup power.
Upgrade your Buccaneer into 5-2-0 Carrier Flagship for a massive power spike.

At this stage the game is practically won—use any leftover cash however you prefer. Victory is yours!

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