Optimize the game experience
Added new stage to 650
1. Added level to 550
2. Optimize the game experience
1. Added level to 500
2. Optimize the game experience
1. Added level to 450
2. Optimize the game experience
1. Added level to 420
2. Optimize the game experience
1. Added level to 390
2. Optimize the game experience
1. Added level to 390
2. Optimize the game experience