Here is the full list of all 14 Artifact Quest 2 achievements.
Collect 10 pearls.
Collect 30 gold bars.
Collect all parts of the amulet.
Complete all levels.
Collect 30 crystals.
Collect all parts of the ancient map.
Collect 35 pouches of coins.
Collect all parts of the shaman mask.
Collect all parts of the hourglass.
Collect all parts of the ancient scroll.
Collect all parts of the clay jug.
Collect all parts of the compass.
Collect 20 ancient coins.
Get three stars on each level.