Here is the full list of all 17 PyroMind achievements.
Score 500 in Time Trial.
Defuse 20 Bombs in one play of Solo or Time Trial Campaign.
Survive at least 70 first turns without defusing a single Bomb in Solo or Time Trial Campaign.
Defuse at least 50 Pobombs without defusing any Limonkas in Solo or Time Trial Campaign.
Score at least 700 in Time Trial.
Defuse at least 15 Limonkas without defusing a single Pobomb in Solo or Time Trial Campaign.
Survive at least 200 Turns in Solo or Time Trial Campaign.
Perform at least 7 Stunts in a single play of Solo or Time Trial Campaign.
Defuse at least 50 Limonkas in one play in Solo or Time Trial Campaign.
Defuse at least 7 Empresses in one play of Solo or Time Trial Campaign.
Defuse at least 10 Bombs on their final turn in Solo or Time Trial Campaign.
Defuse at least 150 Bombs in one play of Solo or Time Trial Campaign.
Defeat Fiery Mind and Icy Mind in the Battle Arena Campaign.
Defeat Clown Mind and Zanni Mind in the Battle Arena Campaign.
Defeat the Boss in the Battle Arena Campaign
Defuse Fruntello
Complete the Classic Mode with every Mind.