This comes from a Complex Gaming review for Adventure Time: Hey Ice King! Why'd You Steal Our Garbage?!...

There were a few sticking points where I was unsure how to proceed, but it always turned out that I had missed something that seemed obvious afterward. There's a bit of Zelda or Metroid-esque backtracking required once you get more traversal abilities later in the game, as well, and while those can be tedious, it ultimately doesn't last long anyway--the game will take seasoned players no more than six hours, though it may last longer for kids--so I don't blame them for padding it out a bit.