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Nintendogs was the early Killer App of the Nintendo DS, especially popular with children and young women. You get to look after up to three puppies which you can feed, walk, play with and bathe. You can teach it to do tricks in response to your real voice, using the DS microphone, and enter it into contests to win virtual prizes.Unlike Tamagotchi and similar virtual pets, a Nintendog will not die, get sick, or even age beyond puppyhood. Even if the game is neglected for an extended period of time, the worst that happens is that the dog may temporarily "run away".Nintendogs + Cats was later released for the 3DS. As you may have guessed, it adds kittens as virtual pets you can keep.
This game provides examples of:
Anti-Poop Socking : When you return from a walk after playing for half an hour, the game will suggest you take a break. If you play for an hour, a warning will come up urging you to save.
Cats Are Superior: Inverted. Dogs can earn their keep in Nintendogs + Cats by winning competitions and picking up gifts while walking. Cats mostly hang around the house all day, but if you leave them alone for long enough (30-45 minutes), they will go outside and bring back gifts. Even so, dogs can earn you money faster than cats.
Cats Hate Water: Downplayed, they only meow in displeasure a lot when they have to be showered, which obviously happens quite rarely as they groom themselves a lot and brushing them is sufficient.
The Computer Is a Cheating Bastard: It's notably hard to win the hardest levels of the frisbee competitions, due to the fact that you have to have a perfect lucky stylus-slide for a toss, and sometimes you just get unlucky and your dog drops it. The other dogs almost never fail as the levels get harder, and they can "accidentally" walk through your dog, pushing it aside and causing it to not catch the frisbee.
Everything's Better with Sparkles: Your puppies return from being bathed/brushed to beautiful with sparkles for a few seconds. Sparkles also show up occasionally when you pet them. In-fact, the sparkles and clovers in Nintendogs + Cats indicate that you're gaining owner point, the value in order of green, light blue, violet and golden sparkles
Item Crafting: In the 3DS games, you can find items such as leather keyrings and plastic bottles that can be used as "ingredients" at the second-hand shop for creating items. Borders on Just Add Water when you can get stuff like functional keyboards and RC helicopters by doing this.
Luck-Based Mission: In Nintendogs + Cats while walking your dog, there are occasionally rows of safety cones you can optionally zig-zag through to get a present. If a bag of trash, puddle, fire hydrant or mailbox is randomly generated at the end of a row of safety cones, forget about that present at the end, because your dog will forget all about the cones and happily dash towards the taboo, and you can't re-do it because you can't walk backwards.
Your dog will occasionally decide that it would be a perfect time for a bathroom break when going through the cones, it'll often move one of the cones, denying you the present as well.
The disc competition has shades of this. It's entirely possible that your dog does amazing...only for another dog to do even better. Or you can do completely awful, but the other dogs did even worse than you.
Mushroom Samba: Feed your kitten the Chicken Jerky, which is sprinkled with catnip according to the description, and your kitty will spaz out for a few seconds.
Money for Nothing: Later on, you're better off sending your top-quality pets in minor competitions to maximize your score bonus. The money potentially lost isn't nearly as important as the points you get for coming in first place.
Ratchet Scrolling: You can't walk backwards when walking your dog in Nintendogs + Cats. Passed someone else walking their dog? A place you were wanting to visit all day? A present? Too bad, you can't go backwards, not even an inch. This is probably implemented to make dog walks have a finite length, but it can still be annoying when you walk an INCH too far and miss something.
Robot Dog: In the 3DS games, the robopup voucher becomes available at Mr. Recycle (the secondhand shop) after earning 11,000 owner points or 34 days of play and requires x7 wood, rubber, plastic, and leather, x5 metal and x3 stardust to "craft" it. They come in all sorts of unique colors. Like the rest of the dogs available, they still need to be given food and water, cleaned, trained, given exercise and relieve themselves.
Rule of Three: You must say the name of a trick clearly 3 times for your dog to learn it.
Vendor Trash: Your dogs can find things on walks which you can later sell. Along with ordinary useful stuff like accessories, they can find things like empty juice boxes, sticks, and broken disposable cameras. At the other end of the scale, there's fallen meteors and expensive vases which fetch quite a lot of money.
This is changed in the 3DS sequel in which you find junk items that are exchanged for items but you can still find the occasional accessory and toy here and there.
Arguably invoked with regards to competitions once you have enough money. There's no reason to play for more money, so it's best to just do easier competitions to get points. Meaning your mere presence is a surefire sign that no other puppies can win, resulting in only crushing defeat for anyone up against you.