Thread:Capitano Nox/@comment-26889090-20180614195337/@comment-30744559-20180614201054

Also, this is the other I suggest you to follow:

Half-Life

Half-Life: Opposing Force

Half-Life: Blue Shift

Half-Life 2

Half-Life 2: Episode One

Half-Life 2: Episode Two

And then eventually Portal and Portal 2 but those are spin-offs so you can play them when you want.