Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Adventurer	Discover the secret island.
Assailants	Defeat Grizzly Bear and Funky Monkey.
Champion	Beat the Jankenpon Tournament.
Collector	Get all collectibles.
First Commander	Defeat Gooseka in the Radaxian Castle.
Janken The Great	Defeat Janken The Great.
Let's Talk	Speak with everyone in the game.
Magic Ball	Obtain the Telepathy Ball.
Overwhelmed Beast	Pet the sad doggy.
Pacifist	Beat peticopter level without shooting.
Prisoner	Free Egle.
Radaxian Protector	Complete the main story.
Second Commander	Defeat Chokkina in The City of Radaxian.
Stingy	Beat the game without buying any item in shops.
Third Commander	Defeat Parplin in Nibana Lowlands.
Wild Ox	Defeat Ox.