i downloaded afraid of monsters and when i go to start it it takes me to some random ass vistaprint website, what am i doing wrong???

I can't understand why the game opens for everyone else but not for me, despite trying everything suggested on YouTube, GPT, and almost every other source. How can I fix this problem?

ok so im actually tired of people pretending that Half-Life Source is somehow worse than Half-Life original like bro have you even PLAYED both or are you just copy pasting what some guy said in 2007 on a forum first of all lets just establish something simple: Half-Life Source is literally Half-Life but on the Source engine (the same engine as Half-Life 2 btw) which already makes it better by default because newer engine = more advanced = better, this is not even opinion its just common sense technology p...

This mod, Half-Life Decay: Solo Mission, which you can download from Steam, allows you to play Half-Life Decay on PC in single-player mode. It's a great mod for those who don't own a PS2.

What difficulty are you on? because I'm on easy mode and there's a 3rd tank after the turret & with the alien hand gun thing, I've watched a playthrough and it doesn't have a tank at that spot. Do you know the answer or is this some kind of bug? What could I do? Yes, this is my first playthrough....