Definitely not. The most recent addition is proof to that, with phenomenal retro references, jokes that would go over their heads, and extended parts of sheer frustration even with the years of preceding mastery of techniques like back flipping next to a tall platform and wall kicking off of its bottom edge then spinning to regress your distance, or taking a long jump-to-wall kick combo to go for distance and height when otherwise not possible. Some of the games might be targeted towards everyone, but there's a lot to the games that neither children nor casual gamers will be able to pick up on, not to mention get past. That they included that damn Cosmic Rosalina to help you out is sheer testament to this fact--it's there to help you get past an impossible part, and even as one who has learned the many talents of Mario, she still pops up sometimes here and there. Especially taking into account a level that was designed to kill the experienced players by making the level counter-progressive to advanced techniques...