Forza Customs has two main gameplay components: car projects, with thousands of different design options and match-3 levels that increase in difficulty as your progress. You earn points to customise your cars by completing levels.

Playing levels costs lives which regenerate every 30 minutes. You can use breakers and boosters to advance quicker in the game and upgrade your cars with your favourite components. Breakers and boosters are obtained through win streaks, by completing projects, or purchased with gold. You can also get additional moves and lives by watching ads.