Grenadier Trophy in King Oddball
Complete all Grenade Levels.
How to unlock GrenadierThe Grenade Levels are 20 bonus Levels, unlocked as you clear the 3rd grid on the main World Map. These substitute a grenade for your standard rock. You only get 2 per Level and cannot earn any bonus throws, but these will explode when they come to rest, and instantly kill nearby enemies. The Trophy will pop when you successfully clear all 20 Levels.