The main objective of Will Hero is to rescue the princess by navigating through various levels filled with enemies, obstacles, and bosses. Players control a hero, using different weapons and abilities to clear stages.

Players can attack enemies by tapping on the screen or using controls provided in the game. Timing and positioning are essential to defeat foes effectively, as some enemies have unique patterns.

You can upgrade your hero by collecting coins and using them to enhance your character's abilities. These enhancements can be accessed from the upgrade menu, where you choose which aspect to improve.

If you're struggling with a level, consider reviewing enemy patterns and improving your timing for attacking and dodging. You might also need to upgrade your hero's abilities for better performance in tough situations.

Unlocking new characters requires completing specific challenges or levels in the game. Steps include: 1. Reach a certain stage or level, 2. Collect enough coins, 3. Meet specific in-game criteria, and 4. Access the character menu to unlock new heroes.