It depends on how long you play each for. Yes, you can play 18 games in one day, but at a maximum of 80 minutes each, not including putting the game in and out, load time, eating, sleeping, drinking, and going to the bathroom. To play more would decrease that time. So to summarize, yes, but you have to play each game for a relatively brief period of time.
no
No, some games require the Wii Motion Plus Remote to play such as The Legend of Zelda Skyward Sword
Of course. The Nintendo Wii can play Wii games as well as GameCube games.
Of course. You can play wii games & gamecube on wii
It allows you to play games that need precise movements.
No
No you do not need Wii motion plus to play it. I think you actually hold the controller sideways so it wouldn't make a difference anyways.
You can not play Wii games on your computer.
Of course. The Nintendo Wii can play Wii games as well as GameCube games.
yes because i have it it says ok if you have wii motion plus so you can't play without wii motion plus
The only way to copy Wii games and play them without a modchip is to use the guide at: http://copywiigamesguide.blogspot.com You can also learn how to play copied, backup, and import games, plus DVD's on Wii without a modchip using: http://nintendo-wii-homebrew-unlock-hack.blogspot.com
No, the Wii cannot play Wii U games. It's actually the opposite - the Wii U can play Wii games.