The RET Metro Type B, faithfully recreated in Microsoft Train Simulator (MSTS) by a dedicated team of enthusiasts, represents a distinctive metro train model from the Rotterdam metro system. These metro trains prioritize functionality and efficiency, offering players a realistic and immersive experience. Thanks to the hard work and commitment of this passionate team, MSTS players can experience the operations of the RET Metro Type B, gaining insights into the vital role these metro trains play in providing reliable and efficient urban transit services in Rotterdam. The potential loss of the platform hosting these fan-made creations raises concerns that these exceptional experiences, including the RET Metro Type B, may become less accessible. The RET Metro Type B and related content, crafted by this devoted team, provide a window into the functionality and importance of public transportation systems. They deserve recognition and celebration in the world of train simulation, highlighting the role of these metro trains in the Rotterdam transit network.