Here is the full list of all 19 Tales of Kenzera: ZAU achievements.
Complete Act 4
Unlock all Codex entries
Collect all Trinkets
Collect all Echoes
Complete all Reflections
Upgrade all Skills
Complete all Spirit Rituals
Unlock all Spirit Segments
Unlock all Trinket Slots
Complete Act 3
Unlock all Abilities
Kill 4 enemies with a single Lunar Blast
Complete Act 2
Kill 4 enemies with a single Supernova
Survive the Kikiyaon chase
Complete Act 1
Perfect Recharge 10 times
Equip a Trinket
Begin Zau's journey with Kalunga