- Reduce the difficulty of Trial Mode - Use real time when counting survival time, not affected by bullet time. - Reduce the frequency of displaying the score increase text after score 50,000 to avoid blocking the screen too much. - Adjust the score acquisition rate in the middle and late stages to reduce the length of the game in the middle and late stages: When exceeding score 10K/20K/40K/80K, extra score 20%/40%/60%/100%.