So I got the boxed version of penumbra

[Lorkas]

Publishers like Paradox Interactive do more good than bad for low-budget games. They share their name with less known video games, and do the dirty work of advertising and publishing (surprise surprise).

Taking 75% of the income might sound like something Reinhard Heydrich would do, but in reality they manage to sell so much of the merchandise that it pays off for the developers both financially and popularity wise.