2. Achievement unlocking: You can unlock special rewards or content by completing specific achievements or tasks in the game.
3. Paid unlocking: Some games may set paid content, and you can unlock specific content by purchasing virtual currency or props in the game.
4. Time Unlocking: The content in some games may be unlocked according to time. For example, you can get rewards or unlock new activities by logging in to the game every day.
5. Multi-player cooperation unlocking: cooperating with other players to complete a specific task or challenge can unlock the cooperation content.