[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/250px-Wii_Fit_PAL_boxart_9080.JPG]]
->''"[[MemeticMutation My body is ready]]."''
--> --'''Reggie Fils-Aime''', during ''WiiFit'' demonstration at Nintendo's E3 2007 press conference

Remember how your parents told you playing video games would make you gain a bunch of weight, lead to bad posture, etc, etc? This game aims to prove them wrong.

''Wii Fit'', part of the {{Wii}} Series (which includes ''VideoGame/WiiSports'' and ''WiiPlay''), is an interactive series of exercises, mainly using the Wii Balance Board. These exercises include yoga, strength exercises, aerobics, and fun little balance games. The game also keeps track of players' body mass index and weight.

Aside from the fact that it's a huge seller, and the balance board it comes with is already being used as a peripheral for other Wii games.

As with any gym or exercise regime you'll get out what you put in. Many of the toughest exercises are also the ones most easy to do even without the game (eg. running, press-ups or jackknifes) and the rest could easily be provided by some yoga and aerobic exercise videos. What Wii Fit provides that videos and willpower don't is a regular schedule and encouragement to keep on going along with the ability to match your progress against earlier efforts.

Of course, there is some debate as to how effective it actually is as a weight loss tool (and some research show that ''Wii Sports'' is more effective in that respect).

There is a sequel entitled ''Wii Fit Plus'', which makes the original game pretty much obsolete as it contains everything the original does and more. A second sequel, ''Wii Fit U'', has been announced for the WiiU and the female trainer is set to appear in the new SuperSmashBros as a playable chracter. [[MemeticMutation Is your body ready?]]
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!!Contains examples of:
* EmbeddedPrecursor: ''Wii Fit Plus'' does everything ''Wii Fit'' did, and it adds a bunch more content besides. If you have ''Plus'' but not the original, don't bother hunting down a copy.
* {{Exergaming}}: Perhaps not the first, perhaps not even the TropeCodifier, but it was the first to prove these games can be {{Cash Cow Franchise}}s.
* FollowTheLeader: ''[[ElectronicArts EA Sports Active]]'', ''Series/TheBiggestLoser'' game, and even ''WeCheer'' has an exercise mode.
* GuestFighter: The female training avatar (seen in the page image) is being added as a playable character in the fourth VideoGame/SuperSmashBros (perhaps the greatest example of The UnexpectedCharacter in the franchise's history).
* GuideDangIt: If you don't know which muscles are your "core muscles", don't expect the game to stop and explain it to you.
* LotusPosition: One of the training games. If you sit still enough long enough during this game, your on-screen character [[LevitatingLotusPosition starts levitating]].
* MissionPackSequel: ''Wii Fit Plus'' has ''all'' of the training games on ''Wii Fit'', including some Training Plus exclusives and allows you to keep track of your pets' weights. At least the sequel carries over your save data.
* {{Mondegreen}}: One move in Rhythm Kung Fu sounds like everyone is yelling "CAP-COM!"
* NintendoHard: Some of the balance games (and the Training Plus in ''Wii Fit Plus'')
* SceneryPorn:
** The special effects in the background of Tilt City are ''gorgeous.''
** Wuhu Island, especially during the running and chicken flapping exercises in Training Plus.
* ShowsDamage: The punching bag in Rhythm Boxing emits smoke after enough landed punches. More punches mean more smoke.
* UpdatedRerelease: Wii Fit Plus.
* UnexpectedCharacter: The female trainer is a new addition to ''VideoGame/SuperSmashBros''.
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