Mod browser and mod.io
The official FAQ confirms an integrated mod.io browser for supported platforms and says Steam Workshop is not included.

What we know
Operations schematicConceptual
Choose the mode around the journey
Road & tramStreet and terminal access
RailTrack and station planning
WaterPier and inland transfer
AirAirport and ground connection
How to approach the decision
Editorial planning advice based on the confirmed systems above.
- Use the integrated browser as the first place to look.
- Inspect platform support and dependencies before subscribing.
- Check updates against the build of a save you intend to open.
A mistake to avoid
The older July discussion of Workshop was provisional. The current support FAQ supersedes it.
What still needs live data
Exact numerical values, release-build menus and reproducible gameplay tests will be added only after verification.
Exact values and operating advice are added after testing against a recorded game build. Check the source date before relying on a number.
Put it to work
Open toolnetwork checklist
Use your own scenario values. No guessed TF3 presets.
Official sources
Official support FAQHighlights dev blogSource verification: September 25, 2026. Evidence policy and source ledger.