Petalboy Tamagotchi

Petalboy Tamagotchi is a 2004 virtual pet game produced by Petalboy Productions and Bandai Games and published by NewKidCo. It is currently the first and only Tamagotchi game to be released on to the GBA and uses a similar engine to the Tamagotchi Connection.

Gameplay
When you start the game, you are greeted with three eggs. A red one (100% female), a blue one (100% male), and a green one (50/50). After selecting the egg, you have the choice to name your pet. However, if you choose the green egg, you name them after they hatch. Once they hatch, you get either a Babytchi (baby boy) or a Shirobabytchi (baby girl) and you have to raise them.

After hatching, you need to feed and play with your pet. Each pet has likes and dislikes a kind of food (for example, Pinkgirl likes Brussel Sprouts and hates Peanuts). Some pets are allergic to some food and feeding them will make them sick (Petalboy is allergic to bacon). Feeding a pet something they like/hate can affect their "stress". Every 10 stress points result in a care mistake. With playing, there are four games. Tic-Tac-Toe (which raises happiness), Find the coin (raises happiness and gives you money), a math game (which raises IQ), and a collect the stars game (which raises strength). Playing any of these games will lower a pet's stress. However, unlike stress, care mistakes cannot be lowered.

Each pet also has a fixed sleep time as well. Babies only sleep for five minutes (before evolving), children and adolescents sleep for 12 hours and adults sleep for 8 hours. Every time a pet wakes up from sleep, its age increases by 1. After six in-game hours, the baby will evolve into their child stage (boys will evolve into either Marutchi or Kuchitamatchi and girls will evolve into either Tonmarutchi or Hashitamatchi). Once they get to this stage, they can get sick and receive the ability to get disciplined. A child's discipline meter has seven modes: 0%, 12%, 25%, 50%, 71%, 81% and 100%. However, 100% is impossible to get during the child stage. Not disciplining a poorly cared pet will result in a care mistake. 1`The child stage is also the stage where they get their "all-time favorite" and "all-time least favorite foods". These food reactions will remain with them for the rest of their lives. Keep in mind that allergic reactions and all-time least favorite foods aren't the same food. Once a pet turns three, then they transform into their teen stage. The teen stage is determined by their discipline meter and care. Boys will become either Tamatchi with good care and disiplene, Kid Termite with one good and another bad, or Oniontchi with both bad care and disiplene while girls can turn to either Tongaritchi with good care and disiplene, Kid Fenifly with one good and another bad, or Nikatchi with both bad care and disiplene. Once a pet enters this stage, they can also enter to contests. A math quiz, fighting torment, or a beauty contest. Winning any of these will lower the pet's stress down to 0. Teens can also get a unique sickness they can only get in this stage as well. Tamatchis and Tongaritchis get appendicites, Kid Termites and Kid Feniflies get chickenpox, and Oniontchis and Nikatchis get the flu. When a pet turns six, they become adults. Once this stage happens, a pet can get a job.

Once a pet's IQ/Deed/Strength hits a specific number, they can evolve into their senior form. Which will be their final form with the exception of certain situations. When a pet dies, you receive their DNA (of their adult form) from Professor Banzo in which you can use to combine the DNA of various adults to create fusions.

Growth Chart
Petalboy Tamagotchi contains two babies, four children, six teenagers, and twenty-four adults in addition to six seniors, three special adults, and three secret adults.