You can earn more coins by completing levels, achieving higher scores, and participating in daily challenges. Additionally, try to eliminate multiple enemies at once for combo bonuses.

In Swamp Attack 2, you can use a variety of weapons including guns, grenades, and special items. Each weapon has its own strengths, so choose wisely based on the enemies you face.

To upgrade weapons, gather coins and resources. Visit the upgrade menu, select the weapon you want to improve, and spend your collected resources to enhance damage, range, or reload speed.

Focus on upgrading your weapons and using the environment to your advantage. Keep moving to avoid enemy attacks, and prioritize eliminating stronger foes first for better chances of survival.

To complete levels quickly, follow these steps: 1. Identify enemy patterns and attack their weak points. 2. Upgrade your weapons before tackling difficult levels. 3. Use power-ups strategically to gain an advantage. 4. Focus on completing objectives efficiently, avoiding distractions.