Setup defenses
Choose the right mix of units and their placement to maximize both your income and your odds of surviving the wave.
Find the perfect strategy
Take advantage of combinations of units and the environment to find the perfect strategy to repel the enemy.
Find powerful charms
Manage your income
Archipelago is all about risk/reward. Units must be paid a salary every wave. Play it safe with a lot of units, or take a risk with a few units but a higher income.