Here is the full list of all 15 Armillo achievements.
Get your first upgrade!
When your very own brother betrays you.
Oh no! You've been captured!
That sure is a lot of gold medals!
Smash the worm for the first time!
That's a lot of big red orbs!
Unlock the secret world!
You must save your brother!
Finally finished the main game!
Darkbot encryption no more!
Beat the hardest platformer level in the game. Brutal!
Get 100%! Get everything!
Upgrade your first heart.
Upgrade your first extra life.
Get the orb attraction upgrade.