Here is the full list of all 17 Lara Croft GO achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Break all Vases
Complete all Relics
Return from the Mirror of Spirits
Unearth the Shard of Life
Throw a spear six nodes or farther
Stack three Pillars
Stack two Pillars
Kill a creature by making it fall to its death
Get crushed by a Boulder
Find the Key of Stones
Slay the Queen of Venom
Find the Key of Snakes
Find the Key of Spirits
Discover the Atlas of Beyond
Slay the same creature four times in a row
Find a Relic Fragment
Complete a Relic