You can buy it online or if you have a Wii and internet you can download it on your Wii for 1000 points ($10). You need to buy a Wii Points card in order to have any points to spend ($20 at any local video game or electronics store).
There was no Shadow Kirby in Kirby 64. The Shadow Kirby appearances are: Kirby and The Amazing Mirror: Shadow Kirby was an enemy. Kirby Squeak Squad: Kirby could spray-paint himself to look like Shadow Kirby.
There is a total of 74 crystal shards in Kirby 64.
There is no Dark Kirby in Kirby 64, but there is an enemy called Shadow Kirby in Kirby and the Amazing Mirror. Defeating Shadow Kirby gives you an item. But Shadow Kirby turns good for some reason.[Shadow Kirby was always good. Kirby was just being too arrogant to listen. See 'Kirby's Adventure' to see where this all started. ~zeroslash]
Kirby is knocked back easily. The lighter a character is, the more easily he or she is knocked back.
Yes.
In the online mode.
Kirby 64 The Crystal Shards does feature a Multiplayer mode where 4 players can play three different minigames.
there are 6
You have to buy it from a store.
Filecrop
Yes, you can download Kirby Triple Deluxe on the Nintendo eShop at a MSRP of $39.99 (CAD/USD)
Sorry but you need to download it but if you want something else you can get kirby on your wii or on your nintendo .