Tiny Fishing is a casual incremental game with semi-idle play. A bearded fisherman in a wooden boat needs the player's help catching a wide variety of deep-sea fish in a fishing hole. The player casts the line and slides the hook around inside the hole to catch the highest number of fish possible.
They earn the most cash based on the number and rarity of the fish. The fish with the highest monetary value usually swim at the lowest depths. The game also features rare and glowing-gold legendary fish. The player uses their earnings to upgrade the hook's capacity, the cast maximum depth, and the idle play earnings.
Tiny Fishing supplies a lot of options for earning money and improving the player's fishing experience. The player can power up the hook before it drops. They receive bonus coins every time they earn more money than their last best catch. They can use the coins to unlock double hooks and hooks designed with custom decorations, such as a fish tail, clover or heart. The game also rewards the player every few hours with a gift.
As with most idle games, the upgrade amounts increase over time. That said, the player can earn three gold fish that allow them to win extra regular money and bonus coins. A treasure chest sometimes floats around in the fishing hole. Lastly, every time the player hooks a new type of fish, the game adds it to an investment aquarium that the player can return to for free cash now and then.