Flash Trail I/II/III/IV-Chinese Patch
Steam版闪之轨迹I/II/III/IV汉化补丁资源及安装教程
The nightmare difficulty of the Shining Tracks series is all collected and archived. At multiple time points, you can get most of the achievements.
The nightmare difficulty of Shining Track II is all collected and archived, and at multiple time points, you can get most of the achievements.
Flash Track III: Nightmare difficulty is all collected and cleared and archived. At multiple time points, you can get most of the achievements.