Remove all the blocks to make the composite number going out but keep the prime number. Click or tap the unused block to drop the composite numbers.
Steer with the arrow keys. Accelerate, brake, and weave around obstacles to beat your best lap time.
Keep Prime Numbers is hosted directly on Freaks Games, so it loads without a VPN or browser extension. It works on school Chromebooks, restricted networks, and mobile browsers — just open the page and start playing.