The Idols Through Time Title update for Crusaders of the Lost Idols has 6 achievements.
Complete the 'Twin Pine Mall' objective by beating area 300 in the 'Idols Through Time' campaign.
Complete the 'Don't Blink' objective by beating area 350 in the 'Idols Through Time' campaign while under the gaze of Sobbing Cherubs.
Complete the 'Lost In Time' objective by beating area 400 in the 'Idols Through Time' campaign while escorting relics from the ages.
Complete the 'Time-Lost Bosses' objective by beating area 450 in the 'Idols Through Time' campaign while fending off bosses from much higher levels.
Complete the 'Nostalgia Trip' objective by beating area 500 in the 'Idols Through Time' campaign while only using the original 20 Crusaders.
Complete the 'Lone Pine Mall' objective by beating area 600 in the 'Idols Through Time' campaign.