Here is the full list of all 26 Chenso Club achievements.
Unlock all items and powerups.
Complete 40 events!
Finish the game with all characters!
Complete 25 quests!
Unlock all friendly followers.
Reached difficulty stage 14.
Have 10 shields protecting you at once!
Defeat 20 bosses!
Reached difficulty stage 8.
Reached difficulty stage 5.
Have 5 friendly drones simultaneously.
Have a total health of 100!
Defeat sigma Wilhelm!
Gain 100000 followers on chirp!
Unlock all playable characters.
Defeat big brain Brian.
Defeat 1000 enemies!
Avoided the angry mammoth!
Defeated death itself.
Defeated ProtoBlue.
Dash 200 times!
Gain 10000 followers on chirp!
Defeated the evil in the castle.
Gain 1000 followers on chirp!
Defeat 100 enemies.
You finished the tutorial!