Storefronts last tested between 2022-09-22 and 2023-12-03. Bumper Cars Demolition Derby: Extreme Car Crash 3D was tested in 11 Apple App Store storefronts — available in 10; unavailable in 1 (China mainland).Roughly 1.4 billion people live in the 1 storefront where it is unavailable. App unavailability does not by itself prove censorship.