It is simple.Get the hand on the egg and press a or b.
If your saying sonic adventure 2 you have to take good care of a chao and take care of them for about around 3 days and the should turn into a adualt
only give it run type animals with sonic. After that give it more run type animals and raise its stamina more with sonic.
chao do not grow in sonic advance games.
You cant.your Chao is not able to die either
you can't download it you have to have a gameboy advance with sonic advance 1 or 2 and you transfer your chao in the tiny chao garden on the gameboy advance using a cable(i don't remember wath sort of cable) NOTE:Works only on the GC version
To get an Onyx Chao in Sonic Adventure 2: Battle is to have Sonic Advance 1 or 2 (Tiny Chao Garden) and a GBA link cable to transfer it to the Gamecube. It costs 20,000 rings and it's a little rare. But it can be found at the shop in the Tiny Chao Garden. Hope this helps!
Sonic Advance 1, 2 and 3 (Gameboy Advance) have chao gardens which are small and not very great, but Sonic Adventure (Dreamcast), Sonic Adventure DX (GameCube), Sonic Adventure 2 (Dreamcast), Sonic Adventure 2 Battle (GameCube) all have chao gardens where you can do the most things and raise your chao the best and most effective. Sonic Adventure 2 Battle is the most convinient and shows you all you need to know about a chao, and it's a really good game to raise them in by using animals (and Chaos Drives) as a means of training them. Sonic Advance 1 and 2 can connect up to Sonic Adventure 2 Battle and Sonic Adventure DX via a Gameboy to GameCube link cable and you can exchange chao with.
there might not be another game made with chao garden in it but if you like chao garden the is a mini one in sonic advance 1.
Sonic Advance 1, Sonic Pinball Party. This is all I know so far.
make your chao a normal run type
This is how to get a Shadow chao in Sonic Adventure 2 step by step. 1. Hatch a chao egg with Shadow, :Note: the egg shouldn't be from the Black Market at the Kindergarten: 2. Give the chao green chaos drives as Shadow. 3. Pet the chao as Shadow and cuddle with it as Shadow often. 4 Once the speed level is 10 or 15, raise the stamina to level 5, 10, or 15. 5. Wait for the chao to evolve and hopefully, you get a Shadow chao! (I did!)
You can obtain a Gold Chao in Sonic Advance 1 and 2 by finding it in The Tiny Chao Garden, in the shop. There is a chance that there will be a Gold Chao. You can get other Jewel Chao, too. You can also transfer the Chao to Sonic Adventure 2: Battle by using the GBA link cable to the Gamecube or Wii. And also you can get one in Sonic Adventure DX but I'm not sure how...I don't own the game sorry. D: But I hope that helps!
Well first you need to go in the tiny chao garden if you don't have a chao already a egg should be there if not press the L button and buy an egg press A on the egg until it hatches now use your rings to buy food for your chao to get rings either get some from the stages or press A on the game boy advances and play a chao minigame either rock-paper-scissors, a matching game or a find a specific chao game complete the minigames to gain rings buy food then take it to your chao it will eat it continue to do this until its full. If you have a copy of sonic adventure 1 or 2 and a Nintendo gamecube or Wii system and a GCN to GBA cable you can transfer your chao into the chao gardens that are in the games using the game boy advance in the gardens.
I havent done it yet but I know for a fact you have to find all the Chao in each level (10 Zone Chao = 1 Emerald) and then play as Sonic and Tails in the Altar Eerald level. You will play the boss as Super Sonic but instead of Gmerl falling a different cutscene will occur (I hate spoiling so if you've done everthing go for it)
Sonic Advance 1 and 2.