Loot systems are mechanisms used in video games to distribute rewards, such as items or currency, to players after completing tasks, defeating enemies, or exploring environments. These systems can vary widely, from simple item drops to complex algorithms that determine the rarity and type of loot received. Common types of loot systems include random drops, where items are given at random, and loot boxes, which require players to spend in-game currency for a chance to receive rewards. Some games also feature crafting systems, allowing players to create items using materials gathered during gameplay.