With HL2 with Beta reshade, it makes the game look like hl2 beta concept.
Steps how to play a game with this reshade.
1. Download Reshade client from Reshade.me
2. Select HL2.EXE or \SteamLibrary\steamapps\common\Half-Life2\hl2.exe
3. Select Direct 9
4. skip
5. Checkmark all effects then click next
6. Let it download and finish
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In game
1. Press HOME button
2. Press Skip tutorial
3. now go back to get beta.ini and put it common\HL2\bin
4. Go back to the game and click the browser (it reads ReShadePreset)
5. Select Beta.ini
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Your done. Have Fun!