Where to get the game
Open the Steam store page for Motocross The Game. Select Add to your wishlist to get a release notification. Check that same page for the purchase option when Early Access opens.
Playing before the public launch
Kickstarter backers had a separate rollout in October. If you backed the game or preordered through Xsolla, follow the steps for your order in the Steam key guide. For PS5 or Xbox, see the console guide.