How to disable HUD transparency in Half-Life?
The UI doesn't scale based on resolution and HUD is relatively diminished especially in 4K, the crosshair in particular is difficult to see with weapons using a more complex pattern.
Having a non-transparent HUD would help playing at high resolutions. How can I disable HUD transparency?
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How do I turn off HUD in Half Life?
The hud_draw 0 should do the trick just fine for you. Should you require to also remove the crosshair, then crosshair 0 will help. The command indeed doesn't require sv_cheats .How do I hide HUD in Half Life 2?
2 and 3 toggle certain elements on/off. Make sure you also create a bind for it so that you can just press a button to disable the hud. Replace the 'h' key with whatever key you want to disable the hud.Cleaning Up Half-Life: Source
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