For the BTD6 counterpart, see Rapid Fire (BTD6).
For the Mortar Tower upgrade, see Rapid Reload.
For the Dartling Gun upgrade, see Faster Barrel Spin.

Rapid Fire (BTD4-BTD5) is an upgrade for the Monkey Ace in BTD4 and BTD5. It allows the Monkey Ace to shoot approximately twice as fast. The Monkey Ace also drops Pineapples a lot faster with this upgrade. In BTD4, its first appearance, it is the third upgrade. In BTD5 it is the first upgrade for the first path.

Costs (BTD4)[edit | edit source]

Costs (BTD5)[edit | edit source]

Gallery[edit | edit source]

Trivia[edit | edit source]

  • In BTD4, The Ace plane is an P-38 Lighting when upgraded to this, which was a plane used in World War II.
  • Rapid Fire also increases the rate in which it drops Pineapples, despite the fact that it only says that darts are shot faster.
  • Despite being the 3rd upgrade in BTD4, it became the first upgrade in each path in BTD5 and BTD6.
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