Both. Listings show physical copies and digital downloads; some entries are labeled “Format: Physical” while others show “Format: Digital.”
Most are listed under the Simulation genre and are primarily single-player experiences. A few entries use other tags (for example, Adventure) but still indicate a single-player/Number of Players: 1 setup.
They feature a mix including modern high-speed passenger trains, freight locomotives used for hauling containers, commuter trains, and historic steam locomotives.
Many feature volumetric skies and dynamic weather—extreme storms with lightning, thunder, and strong winds that change route atmosphere and can affect handling.