Why Alan Wake is not bundled for $1?

Go home, you're drunk.

...That's not how the bundle rules work. You don't get that 35P contribution, but it still costs that much to enter.

Read the FAQ again.

You can't set the point to enter. This is not GalaGiveaways.
The points here are based on the Steam store's price of the said game.
The contributor simply won't get full contributor value.

Because like with most bundles, it gives you separate keys for each game so you have to do separate giveaways for each.