Anti-Climax Boss: The boss of world 4; despite his intimidating attack patterns, it's easy to rack up damage by juggling him.
Several players agree Lance Banson (the second world boss) is actually easier than Lady D, the first world boss. He's easy to juggle, and unlike her, his puzzle world gimmick can be used against him. (Coincidentally, the 4th world boss recycles the same gimmick.)
Breather Level: After 4 or 5 levels in Atlantia and the puzzle realm that are truly and brutally Nintendo Hard, not to mention The Captain. Level 4-4 goes much smother with a lot of weak enemies that make a return from the early levels that make great fuel for your Super meter.
Unfortunately, due to reformatting of the site, the soundtrack can no longer be found there. Poppycock!
Demonic Spiders: The skull enemies, particularly the ones with axes. And the dancers. Skull Enemies are extra bad because they can only be destroyed by other skull blocks. Meaning, once you kill a skull enemy, you'll have to kill two others so you can erase them in Puzzle Mode. If you don't, they'll just hang around until they return...
Any enemy that returns from the Puzzle as a block can become this, especially the skulls.
Ear Worm: Every song. Especially the puzzle themes, as you'll be hearing them a lot.
Fridge Horror: At the beginning of the game, Henry recognized Weasleby when he came to visit. And later on, you learn that the Weasleby you've been fighting is Cole in a robot suit. Did Cole kill Weasleby and take his place?
Goddamned Bats: At certain points in the levels, the game swarms you with lots of monsters. And they just keep coming...
Shout-Out: This game felt a bit like an homage to Scrooge McDuck and DuckTales with original "human" (cartoonish) characters in place of the Ducks. Henry Hatsworth is a rich elderly adventurer with more skill than men a third his age who goes around the world searching for valuable treasures, much like Scrooge (the only difference being that he's British). The main antagonist (until the "twist" comes along) is Weasleby, a foppish and arrogant dandy with glasses who probably inherited all his money, much like Scrooge villain John D. Rockerduck (also known as Robax). It's interesting that Scrooge always wears a top hat and Rockerduck a bowler hat, while for Hatsworth and Weasleby their headgear is reversed. Surely coincidence, but there's a similarity there.
Squick: The sound The Machine makes when it spews garbage blocks into the puzzle screen. It sounds scarily like real vomiting.
Stop Helping Me!: Inverted. A number of enemies have abilities that cause the puzzle screen to fill with blocks. The idea is to push enemies to the top, and put Hatsworth in danger. The bonus? If there aren't any other enemies, they'll fill the screen with perfectly harmless blocks, which the player can then use to fill his super-meter bizarrely fast. It's really more like "Continue Harming Me".
Surprise Difficulty: It's a colourful, cartoonish platformer/puzzle hybrid developed by EA's Casual division. You wouldn't think it would give Atlus games a run for their money, would you?