1Bonechill is way too easy
2Sticker Star and Color Splash have an atrocious battle system
3As the series continues, there are more Toads and fewer fresh characters
4All but three bosses in the entire series are easy and underwhelming
5Bonetail was not as difficult to me as people said he was
6Partners do too little to help in battle in the Origami King
7The boss fights in Color Splash are designed to be impossible if you don't have the necessary Thing(s)
8Color Splash bosses return to being underwhelming after using the intended Thing
9Super Paper Mario lacks a consistent battle system, if it even has one
10Brobot L-Type has unbalanced difficulty
11Paper Mario has no ending