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The Tamagotchi Nano (たまごっちナノ) is a Tamagotchi released in Japan in 2010. It is based on the Tamagotchi Mini, Tamagotchi iD, and Tamagotchi iD L. Like the Mini, it was marketed not as a virtual pet, but rather as an accessory for the iD.

In addition to the two main versions of the Nano, it also spun off four licensed variants: the Pocket Usatama, the Gudetama Tamagotchi, Eevee x Tamagotchi, and the Pocket Usapiyo.


The Tamagotchi Nano is approximately 66% smaller than than the Tamagotchi iD, making it bigger than the Tamagotchi Mini but smaller than the iD. It is also round at the back, making it thicker than a normal Tamagotchi. Like the classic Tamagotchi, it takes two LR44 batteries. The back of the shell contains no screws; instead, a pressure-sensitive tab keeps the back plate on, and must be pressed down to open it.

The Nano comes in two versions, one based on the Tamagotchi iD, and the other based on the Tamagotchi iD L. The two versions are distinguished by the background print; the first version's background has a floral pattern at the upper right and bottom left corners of the screen, and the second version's has a wave pattern across the top and bottom halves of the screen. The prototype images of the second version on Bandai's site don't show this distinction.


The Tamagotchi Nano has two growth stages; Baby and Adult. The baby stage is 24 hours long, while the Adult stage will continue until it leaves either due to neglect or reaches the end of its life span. Which adult character a baby becomes depends on the series, its gender, and the quality of care it is given. It can also evolve into a secret character if certain requirements are fulfilled.

Like the Mini, there are no on-screen icons, and therefore all information is conveyed through the screen and buttons. If the Tamagotchi needs something, the player can press the C button for an animation to see what it needs. If the Tamagotchi looks dizzy, it's hungry; if it looks away, it's unhappy.

If the user presses the C button when it doesn't need something, the Tamagotchi will perform a Close Up.

Pressing the A button opens the main menu, with the options to feed or to play the minigame. The meal is a bowl of rice, and the snack is a candy. The A button is also used to clean up poo, cure sickness (Baby stage), or cheer up to alleviate sulking (Adult stage).


The minigame involves catching the letters that spell the word "TAMAGOTCHI" in order. Catching the wrong letter, or missing the right letter, will end the game. The player must successfully spell out "TAMAGOTCHI" twice for a perfect game.


If an Adult Tamagotchi is neglected enough, it will sulk, indicated by it facing away from the screen and three lines appearing at the top right of the screen. The player must press A twice to cheer the Tamagotchi up. The user will not be able to play games or feed; the user may still switch to the clock or enable/disable sound.

Death and Departure

The Baby stage is the only stage in which the Tamagotchi can die; once it reaches the adult stage, it will instead depart, either due to neglect or after a set period of time. When the Tamagotchi is about to leave, it will appear with a suitcase. After one minute, the Tamagotchi will disappear, leaving a goodbye note on the screen. If it leaves due to neglect, the note will read "バイバイ..." ("Bye bye..."). If given good care, the note instead reads "またね!" ("See you!"). Pressing A and C together produces a new egg.


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