Hello. It´s a problem I had noticed with Duke Nukem3D, and now also with Quake and Doom, that I just downloaded:
They are too dark, it´s not the usual brightness of these games, as I have Duke Nukem 3D from other source and screen is much brighter than the GOG version.
Of course, I change brighness in game and on the monitor, but the problem remains. These versions are too dark.
What could it be?
Thank you

It might be a setting in Dos Box. I personally use source ports to play those games, so I don't have that issue.

For Duke Nukem3D, I use eDuke32
For Quake I use Dark Places
For Doom I use GZDoom

You still need the original game files, those are just new rendering engines. They also add widescreen support, modern mouse support, etc. There are other source ports for Quake and Doom as well.

If you want links to those source ports, just ask.

Thank you! Yes, it seems I will need those links. I bought all of the Doom and Quake games now with the Bethesda gog offer, so I have plenty of classic shooters for the holidays haha...

For Duke Nukem

If you want to play so it looks like the original (no updated graphics), go here:
Go to eduke32 site
http://www.eduke32.com/

Download the eduke32 source port by clicking on the OS logo you use, windows, apple, or linux.

If you want an updated version with modern graphics, go here:

http://hrp.duke4.net/download.php

Download the Duke3D HRP v5.4 FULL SFX (986 MB).

Make sure to put the recommended game files in the directory where you install it (which goes for all of these source ports),


For Quake
Just download Quake HD. It includes two versions that use two different rendering engines, one very faithful to the original and one with updated pretty graphics.

http://www.moddb.com/mods/quake-hd-pack-guide



For Doom
I recommend GZDoom. It adds modern mouse look, widescreen support, support for high res texture packs, etc.
http://devbuilds.drdteam.org/gzdoom/

if you prefer more action, violence, and challenge, I recommend downloading Project Brutality to make Doom even more Brutal. It's not required though. It includes an installation pdf guide. You'll need a specific program they recommend to launch GZDoom with the Brutality mod. Try Vanilla Doom first. Play around with Brutal Doom if you're comfortable doing that sort of thing.

http://www.moddb.com/mods/brutal-doom/addons/project-brutality


Have fun.

Fantastic, thank you!
I downloaded the Doom one and it´s great, so many graphical upgrades while maintainig the "autenthicity".
But is there an option for playing without any filtered texture? Just raw square pixels everywhere :)

I´ll try the Quake link tomorrow!

Yeah GZDoom has pretty good texture filtering options. Also experiment with the various sector lighting modes.

GZDoom has a lot of menu options to play around with. Some will make things look more or less blocky.

You can also run it at a lower resolution. Many older games looked pixelated because they ran at low resolutions but the image filled the whole screen.

Thanks for all the help!

I tried eDuke32 and it´s fantastic! Very high resolutions, posibility of unfiltered textures, lightning options... And there is an especific option in the menu that solves my problem: Display Setup -> Color Correction -> Visibility. Changing Visibility to the max number, now the game does not have that excessive darkness in the backgrounds, and maintain the brightness, saturation etc.. of your liking.

GZDoom is also fantastic. Even more graphical options! I finally found the option to have unfiltered textures: Display options -> OpenGl Options -> Texture Options -> High Quality Resize Mode. Setting it to Off, there will be no texture filtering in-game or in the menus. It looks fantastic at 1680x1050.

And very nice the "Quake Classic" for QuakeHD (quakespasm is the name of that particular source mod, right?)

I have the same darkness problem with Quake II, Doom II and Blood. Are there source ports for these too?

Quake II also has source ports available. I use one called Berserker that makes things looks as modern as possible.
Berserker:
http://www.moddb.com/mods/berserkerquake2

Other Quake 2 source ports you might prefer :

Yamagi (I haven't tried it):
http://www.yamagi.org/quake2/

KMQuake 2
http://www.markshan.com/knightmare/

And some other Quake 2 source ports:
[url=http://quake.wikia.com/wiki/Category:Quake_II_source_ports]http://quake.wikia.com/wiki/Category:Quake_II_source_ports[/url]

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For Doom II, use GZDoom. GZDoom works for Doom and Doom II (and Heretic and Hexen). You just need to put the Doom 2 wads in the same directory where GZDoom is installed.

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For Blood:
Blood's source code was never released. Without the source code, no source port. There is BloodCM, but it's incomplete and more of a re-imagining of blood, not a source port:
http://m210.duke4.net/

For Blood, I'd recommend a 3rd party program to adjust the gamma while in game (I haven't tried this program):
http://www.majorgeeks.com/files/details/gamma_panel.html

I found that in this post:
http://www.gog.com/forum/blood_series/blood_2_too_dark

Thanks !!
It´s great that both Doom games and expansions work on the same mod, and you only have to configure options and controls once! :)

A pity about no source mod for Blood, that game is great classsic FPS too!

I have a problem with QuakeHD. I have it in the same directory as the gog original downloaded game, but "Quake Classic" appears as the Shareware version, I can only play the first set of levels. Did I forget to do something?

It is really a pity, but you maybe find something interesting here anyway:
http://www.blood-wiki.org/index.php/Blood#Source_Ports

About my previous question, we already solved it in the other thread, but I´ll post the answer here just in case someone else needs it:

To have the complete game (not just the shareware version) on the "Quake Classic" or "HD" Source Mod, you need to copy the .pak files from the ID1 folder of your original Quake copy to the ID1 folder of your HD pack. Same applies for mission packs. Copy the .pak files in your Hipnotic and Rogue folders to the respective folders in the HD install directory.
(As explained in the readme file for QuakeHD)