There are a maximum of 88 Terraria achievements worth 1,685
3,747 tracked gamers have this game, 166 have completed it (4.43%)
Survive a blood moon, a nocturnal event where the rivers run red and monsters swarm aplenty.
Unlocked by 1,867 tracked gamers (50% - TSA Ratio = 1.41)
Do you have a question about this achievement? Please post it in the Terraria Forum