Look what can I say about Isaac? Absolutely fantastic roguelike with literal THOUSANDS of hours of gameplay waiting for you. Just... don't buy it here on gog ok? It's not a bad version of the game by any means, but it is drastically inferior to the one on steam. A huge part of Isaac for many is the hunt for Dead God, which simply isn't possible here. Not only are there no achievements on gog, but even if there were you'd still not get it. DAILY CHALLENGES ARE NOT AVAILABLE for whatever reason, meaning getting the Broken Modem is impossible, and by extention Dead God. Not to mention how difficult it will be for you to get your hands on mods, which Isaac got plenty of because of it's fantastic community. If these things don't bother you, go for it. As I said, it's not a bad version of the game and in many ways still better than the console releases. But if they do, Steam is the way to go.
