Here are the top Wii games appearing in the top 20 games this summer, including some of the top Wii games for kids:

1.  Super Mario Galaxy 2: This game everyone was waiting for, especially anyone who played the first Mario Galaxy game.  Take Mario through multiple galaxies, games and challenges, along with his friend Yoshi. 

Super Mario Galaxy 2 List Price: $49.99 Sale Price: $33.00 You save: $16.99 (34%)   Eligible for free shipping!

Description

Super Mario Galaxy 2 is an action platformer for Wii that continues the space-based fun begun by the 2007 runaway hit Super Mario Galaxy. Featuring out-of-this-world platforming across a wide array of unique planets and space environments, players can go it alone as Mario or team up with his old buddy Yoshi as they platform and puzzle-solve to their hearts content...

2.  New Super Mario Bros - This is a new Wii version of an old favorite from Nintendo. This game takes all the fun from the old Super Mario Bros. and updates it with more levels and challenges.

3.  Just Dance 2 - Great Party Game!  Kids love to dance to their favorites and challenge themselves to nail these dance moves.

4.  Wii Fit Plus - for the popular Wii Fit balance board.  Stretching, strength, fitness workout tracking and more.

5.  Lego Harry Potter Years 1-4 - This LEGO game is a ton of fun - with up to 4 players, you can join Harry, Ron and Hermione as they travel through the first four    movies and all their challenges.

6.  Mario Kart w/Wheel - The high speed action never stops in Mario Kart for Wii.  A huge hit on the Gamecube, the Wii version ramps up the action with new locations and characters.

7.  Toy Story 3  - A new game for people who loved the movie - this one is great for kids of all ages.  Play your favorite character - Buzz, Andy and more.

8.  Wii Sports Resort - Wii Sports Resort updates the previous Wii Sports title with jet skis, sky diving, cycling, canoeing and more. Requires the Wii MotionPlus, and one is included with the game.

These games are also some of the top Wii games for rent, which allows you to rent games and play as long as you want, then return them and get a new one.  It's a great way to make playing Wii games more affordable.