ちなみに Dovetail Games の Train Simulator の和歌山線・桜井線MODと日高本線MODはこちらになります

Train Simulator: Wakayama & Sakurai Lines Route Add-On http://store.steampowered.com/app/376961/Train_Simulator_Wakayama__Sakurai_Lines_Route_AddOn/

Train Simulator: Hidaka Main Line: Tomakomai - Hidaka-Mombetsu Route Add-On http://store.steampowered.com/app/621925/Train_Simulator_Hidaka_Main_Line_Tomakomai__HidakaMombetsu_Route_AddOn/