In summary, here's what you get when you work for Apogee/3D Realms that you probably won't get working at another developer/publisher:

1. A royalty-style bonus that's a percentage of the games you help create, along with ALL related derivative products, including ports.

2. Real creative influence on your game project.

3.

If that's not enough for you, refer to the web page that outlines the studio's development philosophy and quotes 3D Realms co-founder George Broussard (again, I've bolded the ironic parts):