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.
Return from the Mirror of Spirits
Unearth the Shard of Life
Break all Vases
Complete all Relics
Stack three Pillars
Get crushed by a Boulder
Stack two Pillars
Kill a creature by making it fall to its death
Slay the same creature four times in a row
Throw a spear six nodes or farther
Find a Relic Fragment
Complete a Relic
Find the Key of Snakes
Find the Key of Stones
Find the Key of Spirits
Discover the Atlas of Beyond
Slay the Queen of Venom