PRBoom+ only loads wads using Doom 2 as a base, can't play Doom 1.

[ClashmanTheThird]

I downloaded PRBoom+ because GZ/LZDoom on my new computer just takes 10 seconds to load any map, and I don't know how to fix it. But when I try to load DOOM.WAD on PRBoom+, it shows the title screen for Ultimate Doom, but starting the game opens to Entryway for Doom 2 instead, except over half the textures are missing and the level is a hall of mirrors mess. Loading Heretic just demolished the color palette of Doom 2 into an LSD nightmare dimension. 

 

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I mentioned this to my friend and he said the exact same thing happened to him for Doom 1, and neither of us were able to find a solution to this. Is there something simple I'm missing?

[maxmanium]

You're probably using the wrong command line parameter. Use -iwad instead of -file.

[ClashmanTheThird]

I'm not using any line parameter, this happens when just dragging the wad to the EXE or using WMD with no parameter.

[spd7693]

This is the problem I guess. I use an older version of GLBoom+ which has never let me down, unlike some newer I have also tried. I have never started anything by dragging the wad to the EXE. 

This is the interface when you try launching. When this screen appears, I can always select whatever I want from the dropping menu.  

 

And this has to appear when selecting Doom 2. I don't know what you're using, but this is how it looks when I play and how it works with me. 

 

I guess when you drag the file the port launches the default settings and for GlBoom+ it usually is Doom 2. 

[ClashmanTheThird]

How do I get to that launcher?

[TheNoob_Gamer]

In PRBoom+, go to Options -> General -> Miscellaneous (page 2) -> "Use in-game launcher" (SMART/ALWAYS/NEVER)

1 hour ago, ClashmanTheThird said:

How do I get to that launcher?

 

[ClashmanTheThird]

Thank you!