Base game
- Reward Hoard! Collect every trophy in the game. 22.4%Rare
- Classes Passed! Complete the tutorial levels. 62.9%Common
- Brave the Cave! Complete all Grinch’s Cave levels. 43.4%Rare
- Jump on Crumpit! Complete all Mt. Crumpit levels. 36.3%Rare
- Out of the Woods! Complete all Who-wood levels. 33.3%Rare
- Who-ville Skill Thrill! Complete all Who-ville levels. 31%Rare
- Christmas Tree Spree! Decorate your tree with all 23 unique ornaments. 30.7%Rare
- Squeaky Thief! Recover a stolen item from a mouse. 78.2%Common
- Nice on the Ice! Slide for at least 5 consecutive seconds on ice using Rocket Skates. 50.9%Common
- Cool Tool! Pick up your first gadget. 65.9%Common
- Freeze-A-Foe! Freeze a foe with a snowball. 44.5%Rare
- Out of Fuel! Use up all of your Jetpack's fuel. 65.1%Common
- Tool Tag! Pick up each gadget once. 46.8%Rare
- A Dashing Crash! Crash while using the Rocket Skates. 47.9%Rare
- A Jumping Grump! Jump on a bed. 85.7%Common
- Snowball Fall! Get hit by a rolling snowball. 71.9%Common
- Big-Bang Box! Activate an exploding box. 58%Common
- Open Seussame! Open a locked door. 91%Common
- Acts of Max! Use Max to bop a button. 65.9%Common
- Treasure's A Pleasure! Use Max to sniff out 5 buried treasures. 86.1%Common
- Decoration Celebration! Collect multiple decorations all at once, and jump for joy! 55.4%Common
- Cherry on Top! Unlock all visual enhancements for Who-ville Square. 30.3%Rare
- Storybook Look! Read through How The Grinch Stole Christmas! in Who-ville Square. 28.4%Rare
- More Grinch Lore! Read through How The Grinch Lost Christmas! in Who-ville Square. 29.5%Rare
Trophy names, descriptions and rarity come from PlayStation. Guides open on their authors' own websites.