To remove the foggy appearance on Train in CS2, you need to adjust the game's gamma settings. This will help saturate the colors a little bit more thereby, improving the visibility for some players.

In the most recent CS2 update, Valve has reworked a classic map called Train. This map has also been added to the Competitive, Casual, and Deathmatch modes, now allowing players to try it out. Since ...

Train was originally removed from the active duty map pool in May 2021 to make way for Ancient. Since then, it has been unavailable in CS2 until a long-awaited rework was released in November 2024.