Many players quit Build 97 because it is unforgiving. Don’t be one of them. Use these pro tips.
Derail Valley Build 97 boasts an impressive array of features that set it apart from other train simulation games. Some of the key features include: Derail Valley Build 97
: The HAZMAT license system was overhauled into three distinct tiers: Tier 1 : Flammable, asphyxiating, and oxidizing cargo. Tier 2 : Explosive, corrosive, and toxic cargo. Tier 3 : Radioactive and biohazardous cargo. Many players quit Build 97 because it is unforgiving