1. Launch Castle Keeper on your mobile device.

2. Begin the game by taking position on your castle wall as the archer hero.

3. Use your finger to aim and shoot arrows at incoming enemy troops before they reach and damage the castle.

4. Watch for special items like ladders and fire barrels—tap to throw them at enemies for extra damage.

5. Successfully repel all enemies in a wave to progress to the next level.

6. Between waves, collect rewards and use them to upgrade your hero’s stats and abilities.

7. Unlock new powers to improve your attack, defense, and special moves.

8. As you advance, travel to different locations with new castles to protect and tougher enemies to face.

9. Prepare for boss battles—massive enemies that require strategy and upgraded skills to defeat.

10. Continue upgrading your character after each level to become stronger and more efficient in battle.

11. Keep defending castles through multiple levels and worlds, adapting to new enemies and challenges.

12. Your main goal is to prevent the enemies from breaching the castle while becoming the ultimate Castle Keeper.