...All attached single races must be finished in time in order to win an event, unlocking additional events and cars. Most maps are equipped with spoken co-driver notes and co-driver icons. A in-game information overlay shows through a four area color grading how much damage you accumulated through accidents. Damaged cars are harder to handle.
Additional contributed maps and events are ready for download as plugins.
Trigger Rally works well with low performance laptops from about 2008. And if something like snow flakes and vegetation sprites demand to much from your system you can just disable it.