Megathread v4.1 | Respawned coming soon!
Unfortunately, there's not a very good way to buy the game legit in the current day and age. Of course, you can, but you're not supporting the original developers, most of the time it won't come with the full game, and if it does, prices are often outrageous ($250-$300 on average). We've still provided sources below if you wish to purchase the game.
However, we've also provided free downloads, with easy to follow instructions. You can find both seasons with all episodes included.
You can buy the physical PC disc off of third-party retailers like Amazon or eBay. Season One's (Season Pass) and Season Two’s PC physical copy does not contain episodes 2-5 and there is no way to download the episodes without pirating them.
Steam keys are a mixed bag. Steam key grey markets have a shady reputation, so we can't recommend it highly. Prices are often outrageous, going for up to $250 to $300. It usually isn't worth the money or risk, and you’ll be supporting scalpers who sell the game for exorbitant prices.
However, if you’re insistent, buy a key from
Loaded (Formerly CDKeys) (usually sold out)