Post here if you have problems getting Reality Factory running on your machine. Please make sure you have the latest DirectX installed as well as updated drivers for your video & sound card before posting...
If when you leave house there will be next level loaded then just create a .bmp file with everything written on it and enter name of the .bmp into Change Level's szSplashScreen I think (I'm writting from my laptop and I don't have RF here). If it'll be the same level. I can't remember now how to make it appear by triggering something
You mean how to make an invisible wall? You make a ordinary wall, press Page Down when it's selected, check Transparent, ant enter 1 to transparency value