Train Fever has a massive modding community. To add custom trains or buildings:
Open the extracted folder and look for TrainFever.exe . This is the file used to start the game. 2. System Requirements & Compatibility File: Train.Fever.v2.4.0.7.zip ...
Go to Options and ensure the resolution matches your monitor. If you experience lag, lower the "Geometry" and "Texture" settings first. Train Fever has a massive modding community