Game Center VS GOG Unlocked

u/JTostitos is right though that Game Center was designed for this although it has gone out of style with many game studios lately. But it all depends on how the game is designed... If you require constant client-server communications then implementing Game Center doesn't really make sense when you can easily roll your own leaderboard on the server. Source: almost 2 years ago

Https://steamunlocked.net and https://gogunlocked.com are most commonly used by people who pirate games. The contents of the files downloaded, usually have malware and sometimes even spywares or trojans. I figured this out with my friend, and we found out some pretty interesting files on ANNO 1800 [pirated from the said sites] and we found out that the gogunlocked file had a spyware literally sticked into the... Source: about 1 year ago

Hey man, I know that feeling, I truly recommend steamunlocked for cracks, they have tons of games, I also recommend gogunlocked for gog games. Source: over 2 years ago

Try and use gogunlocked.com its basically steamunlocked, but with gog games. Source: over 2 years ago