Don’t overspend early; aim to build a defense that can "solo" the first 20-30 rounds so you can save for a Hero or expensive Tier 5 towers.
This variety ensures that no two games feel exactly the same. A strategy relying on "Sun Avatars" and "Alchemists" plays entirely differently from a strategy utilizing "Ninja Monkeys" and "Bomb Shooters."
Playing a standard game on "Easy" is just the tutorial. Bloons TD 6 shines in its brutal difficulty modifiers.
Knowing what’s coming is half the battle. Ensure you have the right "damage types" before these rounds start: