It's a terrible day for rain. Music used: Sorrowful Stone - Full Metal Alchemist: Brotherhood Footage used: Look how they massacred my boy - The Godfather Terraria Calamity mod 2.0.1.002 Attack on Titan Season 2 Episode 12 Terraria is an action-adventure sandbox platformer game developed by Re-Logic. The Calamity Mod is one of the largest content mods for Terraria which adds many hours of endgame content and dozens of enemies and bosses dispersed throughout the vanilla game's progression. The Calamity Mod also features several harder difficulty modes, multiple new biomes and new structures, a new class, a new leveling mechanic, more than 30 new songs, over 50 recipes for previously uncraftable vanilla items and other assorted changes to vanilla gameplay.