Here are the messages from tama town. (I hacked it a bit to get this info)
Default Messages:
The parent's family history affects the type of character your new Tamagotchi will become as it grows from a baby to a toddler.
The way you care for your Tamagotchi affects the character you will receive as an adult; make sure to take good care of it!
The skills points you earn will affect how your character grows from a teenager to an adult.
If you receive 3 stars in your money luck, you'll receive more Gotchi points after playing a minigame.
If you receive 3 stars in love, your friendship level will go up faster as you connect with more friends.
If you receive 3 stars in health, your Tamagotchi's immunity against illness will be much higher!
On Tamagotchi Planet, there are 4 types of Tamagotchis. (Mame, Meme, Kuchi and Others).
When a baby Tamagotchi hatches, it will grow up to be the same type of Tamagotchi as its parents.
2007/03
Throughout February, a snow man will appear in your Tamagotchi toy when your character is an adult to celebrate the beautiful white winter.
Between the end of March and the middle of April, a huge egg will appear and hatch in your Tamagotchi toy if your character is an adult.
The secret code in the instructions is BBCACCCA. Have you tried it?
2007/04
You can create 3 special characters from Mametchi. To do so, you'll need at least 900 Intellectual "skill" points and a total of 1500 "skill" points overall.
You can create 3 special characters from Memetchi. To do so, you'll need at least 900 Artistic "skill" points and a total of 1500 "skill" points overall.
You can create 3 special characters from Kuchipatchi. To do so, you'll need at least 900 Social "skill" points and a total of 1500 "skill" points overall.
2007/05
If you visit the preschool teacher in your Tamagotchi toy, you can receive skill points randomly.
If you're not able to find a life partner, your Tamagotchi will become either Ojitchi or Otokitchi. And, there is a special character named Oyajitchi that is born of Ojitchi and Otokitchi!
To celebrate the beginning of summer, you can see the sun on your Tamagotchi toy screen on June 21st or 22nd if your character is an adult.
2007/06
On October 31st, you can see a Jack-o'-Lantern on the screen of your toy if your Tamagotchi is an adult.
Version 4.5 has new characters, games and careers! Check it out!
On December 24th at 10:30PM TLT (Tamagotchi Local Time), Santaclautchi will appear on your screen!