Farming keys in Pet Simulator 99 is a crucial aspect of the game, as keys are essential for unlocking various valuable items, such as pets, boosts, and chests. There are multiple ways to farm keys, each with its own advantages and disadvantages.
One of the most efficient ways to farm keys is through daily quests. Daily quests are tasks that reset every 24 hours and offer rewards upon completion. Many daily quests reward keys, and completing all of them can yield a substantial number of keys each day.