About this mod
This mod fixes the crappy brightness and lighting issue with portal 2. without any Reshade. Full vanila fix.
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Portal 2 Brightness Fix (Autoexec.cfg Mod)Description:
This mod fixes the issue of Portal 2 being too dark, even at full brightness. It automatically adjusts the ambient lighting using an
autoexec.cfg
file, so you don't have to enter console commands manually every time you launch the game.Features:
✅ Increases ambient light for better visibility
✅ No need to enter console commands manually
✅ Doesn't affect the game's visuals.
✅ Works with all versions of Portal 2
Installation:
- Download the
autoexec.cfg
file. - Place it in the following folder:
C:\Program Files (x86)\Steam\steamapps\common\Portal 2\portal2\cfg
- Start the game—your brightness fix will be applied automatically!
mat_ambient_light_b 0.1
mat_ambient_light_g 0.1
mat_ambient_light_r 0.1
➡️You can change the value "0.1" . where "0" is the lowest (Default) , "0.5" is medium and "1" is the Brightest.
I personally use 0.3. but remember.. Higher number makes shadow unnoticeable.
Uninstallation:
Simply delete the
autoexec.cfg
file from the cfg
folder.Enjoy a brighter Portal 2! 🚀
Let me know if you want any changes! 😊
⚠️⚠️WARNING:⚠️⚠️
1. This mode works with portal modes like "Portal stories mel" and "Portal Reloaded" but if those game modes already has this "autoexec.cfg" file you have to edit that with notepad and manually add these three command lines.
YOU CAN NOT REPLACE THE FILE.
2. If you didn't find "cfg" folder in that location, you have to find the config.cfg file. And put this autoexact.cfg file In the same directory.