+Perfect Bonus +Many different character animations (especially Mario) +Death animations for enemies +Plentiful ways to defeat enemies and bosses +Different types of the same sticker (Worn-Out, Standard, Shiny, Flashy, Big Shiny, and Megaflash) +Level designs +Non-linear elements +Secret Doors +HP Up Hearts (though I wouldn't want this to increase HP in the next game, but have it increase something else) +World Map +5 and 10 Coin Coins +Goat sticker +Jump-on-spiked-enemy animation before battle +Starman +Music +Areas +Bowser Jr. +Bosses +Super Flags +Sticker Museum +Holding up to 9,999 coins. +Sticker Comet +Kersti +Cake sticker +Bowling Ball sticker +Wiggler
That's all I can remember. If it weren't for these, I would've taken Sticker Star back to Gamestop.
And lastly, the replay value is high for me. --- Sticker Battle Adventure: The most eccentrically intriguing genre ever made!