The SimRE project aims to make Railway Empire feel more like a simulation by slowing down the trains, opening up all technologies and making adjustments in various other areas.

- SimRE: Great Plains
- SimRE: Rocky Mountains
- SimRE: The West
- SimRE: East Coast (new)
- SimRE: Texas (new)

- Trains run 40% slower
- All tech is available

- Speed adjustment due to terrain slowed by 50%.
- The AI gets a 50% bonus on their starting cash
- Early engines have been reduced in price, later engines increased
- Almost 100 tech bonuses nerved, especially ones with a financial bonus