Tropes displayed in this game include:
- Halloweentown: Monsterland.
- Hoist by His Own Petard: After beating the final boss, Sergeant Smash, he crashes onto his creator Percy Frankenstein, who is the Big Bad.
- Mad Scientist: Doctors Victor and Percy Frankenstein are these.
- Monster Mash: You can play as a young versions of Dracula, Frankenstein's monster, a werewolf, a mummy.
- Our Monsters Are Different: Well, you play as kid versions of classic monsters. To save their creator.
- Recurring Boss: Yeah, some bosses get reused.
- Unlockable Content: Two extra characters, one for beating the game, one for beating the game at gold or better.
- Vapor Ware: The PlayStation version, which was announced before the Game Boy Advance version came out.