
There's a good reason some Baldur's Gate 3 players plugged in over a hundred hours into its early access. Act 1, which the early access encompassed, is absolutely massive—both the overworld and the Underdark are large enough to keep you busy for a while with its chaotic, explorative adventures.
That feeling of openness doesn't reappear as dramatically in the game's later acts, though. Act 2 is a more contained experience, with a stronger main quest, a killer villain, and far higher stakes. Meanwhile, Act 3 serves as a big hub for several endgame dungeons.