Here is the full list of all 19 Roads of time achievements.
Collect all trophies
Beat all levels with 3 stars
Beat Dr. Terrible
For beating pack 4
Defeat the lion guard
For beating pack 3
For activating the Ra's altar
Beat 30 levels with 3 stars
Use time stop
Defeat Anubis' thief henchman
For beating pack 2
Beat 15 levels with 3 stars
Use work speed boost
Draw petroglyph
For beating pack 1
Upgrade your base to lvl 3
Use walking speed boost
For building buildings
For clearing obstructions