What is the weight gain effect of Wii fit? Is it effective?

Good, but it depends on whether you can persist.

The design inside is very professional, and it feels much better than those fake fitness instructors.

= = = = = Supplement

Yes, wiifit can also gain weight.

It will automatically measure your body mass index, know whether you are overweight or underweight, and automatically assign you a series of suitable exercises, such as gaining weight (increasing muscles) or losing weight.