That's the "King of the Games Championship" one.
On a Home Deka Tamagotchi, you don't raise a character. Here is information about the two different Home Deka Tama models.
The first model was released in July 2005. It looks like an over-sized KeiTama (or V3), and is available in two colours; standard blue, or Toys-R-Us green. The theme of this model is setting up house. Play games to earn Gotchi points, then go shopping to spend them. You can decorate your house with items you've purchased, or hire some builders to upgrade your house. Gotchi points that you've won on it can be transferred to these Japanese model Tamagotchis: KeiTama, Akai-series KeiTama, EnTama, and UraTama. Items you purchase on it can be transfered to these Japanese model Tamagotchis: KeiTama, and Akai-series KeiTama. For Bandai's web page about this model,
click here. There are English-language instructions for this model here:
https://www.peppersoup.net/tamasquare/deka.php Scans of the original Japanese instruction manual are here:
https://www.tamatalk.com/IB/index.php?showtopic=112145
The second model was released in October 2006. It looks like an over-sized EnTama (or V4) and is available only in orange. The theme if this model is "King of the Games Championship". There are ten games on this model. The whole point of this model is to become champion of all ten games - to win at each of them, one after the other - in one sitting. You can practice each game in the Game Centre whenever you want and as many times as you want. When you feel up to it, you pay your admission fee and enter the Stadium. There, you will face each game in turn. If you win the current game, you're allowed to advance to the next one. But as soon as you lose, you're ejected from the competition. The next time you enter the Stadium, you have to start all over again. Gotchi points that you've won on this Home Deka Tamagotchi can be transferred to these Japanese model Tamagotchis: KeiTama, Akai-series KeiTama, EnTama, and UraTama. You can not purchase items on this Home Deka Tamagotchi. For Bandai's web pages about this model, click
here and
here. English-language instructions for the Home Deka Tamagotchi - "King of the Games Championship" model are available in this topic on Tama-Zone:
https://tama-zone.com/index.php?showtopic=7445 Scans of the original Japanese instruction manual are here:
https://www.tamatalk.com/IB/index.php?showtopic=112146