100% secret 100% enemies. Double check none treasure on the floor. What might miss?

I'm playing with a mouse, so maybe that is why it is only letting me move by sliding my mouse around. But I play Wolf3D with a mouse, and it still lets me move with WASD. Does anyone know how to fix this? I'm playing on Ubuntu thru compatibility mode, if it matters...

So I was at Floor 6 in Ultimate Challenge and I think I'm forever stuck. In the first part where you have to push the "Achtung" poster walls to progress and... I think one of the enemies stopped one of the wall making any more progress. Like a dumbass, I thought this was where the wall was supposed to stop and thought this was a dead end. I cleared out another part of a level but stuck with a pair of two locked doors but I had no key. Stuck, I had to look at a walkthrough and that's where I realised one of...

you can cover up the gold key so you only a few options: have a previous save file before the gold key was covered up pray to god there is an enemie in the level to kill you restart the entier game or cheat to get the key

whoops