Transport Fever 3 map modes listed on the Steam store page for AppID 3493540 include campaign, sandbox, and scenario play. As of 2026-09-28 the exact maximum map size is Not announced, so the autocomplete signals bigger maps and max map size are user demand rather than a confirmed value. Treat the Steam page as the authoritative source for the live map and mode lineup once Urban Games publishes concrete numbers.
The map and mode lineup
The Steam store page names three map and mode categories for Transport Fever 3: campaign, sandbox, and scenario. Each mode describes a different player goal, from a guided mission structure in campaign play to an unrestricted economy simulation in sandbox mode.
Campaign mode
Campaign mode is the guided map mode with structured missions and a scripted pacing. The Steam page itself describes campaign as a play surface without enumerating the mission count; specific mission counts and chapter pacing are Not announced as of 2026-09-28; check the official Steam store page for updates.
Sandbox mode
Sandbox mode is the unrestricted map mode where players build their own network without a fixed mission arc. The Steam page lists sandbox alongside campaign and scenario, confirming the launch-build lineup. Concrete sandbox map size figures are Not announced as of 2026-09-28; check the official Steam store page for updates.
Scenario mode
Scenario mode is a goal-driven map mode built around specific starting conditions and target outcomes. The Steam page lists scenario as a third mode category alongside campaign and sandbox. The launch scenario count is Not announced as of 2026-09-28; check the official Steam store page for updates.
Max map size and bigger maps
The autocomplete queries bigger maps and max map size appear in the Transport Fever 3 search evidence and reflect user demand for larger play surfaces. The exact maximum map size is Not announced as of 2026-09-28, so the Steam page itself is the live source for any published figure. Once Urban Games posts concrete numbers, this page mirrors them.
Why map size is a live question
Map size matters because larger maps allow longer rail and road routes, more industries, and denser passenger networks. The Steam page will surface the launch-day cap once it posts, and post-launch patches may expand the cap during the Early Access window.
How modes connect to the other pages
Map modes describe how a player spends a session, but the actual surface depends on the campaign structure, the vehicle roster, and the economy chain. The campaign overview describes the campaign mode in more detail; the vehicle list describes the vehicles players can place on a map; the economy guide describes the cargo and passenger chains that operate across the map surface.
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