Not the best modern side-scroller I've played recently, but way more playable than New Super Mario Bros. Mildly addicting, almost never frustrating. Sadly, this is one the best games I've played on Wii.
to be honest, I wanted to play this so I could share this. I love games that co-op at the same time, it makes makes it more funny sometimes. playing this, it made the game way more fun. you can choose which character to play through, there are four to choose from with different techniques. but theres a problem with the levels, they feel the same. and there are some mini bosses have the same strategy. but we have to remember that this is kids game, it shouldn't be too hard. but besides it being easy, somewhat repetitive, this game is a hidden gem. if it didn't have a co-op, id probably given it a 6-7. a nice treat to share.