I like the idea but the game looks pretty meh, don't you think it would be better to have the characters always inside the car but each character has a car of their own with unique mechanics and weapons?
You could also replace the "% niggers remaining" with a score system, the % thing just looks lazy. And you could also add more NPCs like trannies, coal burners, and liberal collage students holding signs or something, each one has a different value, that way you aren't just mowing down people aimlessly.
And the monkey sounds are also really lame, add more sounds like loud nigra and what not.
Oh, and lastly, you could add a special and hard to get jew NPC who's controlling the protesters, if you fun over him you get a shit ton of points and money to unlock more characters/cars