About
onRails is a single player racing game. It is being developed by Tim McArthur and will be released on July 22, 2026.
The race engineer in your sim cockpit.Two purpose-built tools, one app. Build a race setup from scratch with the Setup Developer, then fine-tune it lap by lap — and even mid-race — with the Setup Engineer. Runs as a transparent overlay on top of your sim. No alt-tabbing. No spreadsheets. No downloading someone else's setup and hoping for the best. Setup Developer ModuleBuild your own baseline set…
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Frequently Asked Questions
onRails is a racing game.
onRails is available on PC and Windows.
onRails is scheduled to be released on July 22, 2026.
onRails was developed by Tim McArthur.
onRails is a single player game.
Similar games include Setup Developer Tool 2021, Setup Developer Tool 2018, Virtual Race Car Engineer 2020, Sim Racing Telemetry, NASCAR 25 and others.