Questions answered by The_Thing

If she thought about the concept of Portals instead of taknig it literally, then yes.

Type dnkroz or dncross during gameplay.

It might be done eventually by an expert in modding, but for now, it cannot be done.

If you mean the cake room that's on the title screen after you beat the game, then no.

If you bought the game during the Alpha stage, you will get updates and future expansions for free. ...

Your best bet is to enable the console and type "maps *" without the quotes to see all of them. You ...