• Drone : Essential - Provides high total damage, at least level 6.
• Whirlwind Cannon : Indispensable - The traction effect is remarkable, priority is given to upgrading to level 4.
• Fuel bombs : Enough is enough - just upgrade to level 3 and remain stable in actual combat.
• Heavy armored vehicles : escort - assist in combat and enhance overall strength.
• Observe that the total damage in the battle between both sides continues to rise. Every time you surpass your teammates, it is the climax of the competition.
• Minimum threshold : It is recommended that the combat power value be at least 1900. Too low combat power may affect the challenge experience.
• Use of gold coins : avoid waste, steadily improve combat power, and long-term investment is the way to go.
With these strategies, you'll be more confident in facing the challenge of Shooting Zombies in Global Rescue Difficulty 2. I wish you great success in the battle!