The whole campaign will only last 4 days. There's a new mini-game announced every day. Pledge $4 and one of the games if yours. Pledge $6 and all the four games are yours.
Geek Native has popped all the runners and riders into a wee database so you can quickly navigate between categories.
The 20s in America is the era of Prohibition, alcohol is illegal and organised crime is booming. In the RPG you get to pick which side you're on.