Definitely play the original Half-Life first. I'd also try the new Black Mesa remake, it's really well done. https://store.steampowered.com/app/362890/Black_M

Definitely play the original Half-Life first. I'd also try the new Black Mesa remake, it's really well done. https://store.steampowered.com/app/362890/Black_Mesa/ https://store.steampowered.com/app/362890/Black_Mesa/