Thalassa: Edge of the Abyss
Achievement guide · roadmap · tracker
Uncover the mystery of Thalassa, a first-person psychological drama set under the sea. Ill-fate has fallen on your former crew and friends and it’s up to you to find answers onboard the wreckage. Experience the melancholic underwater journey of human stories facing life and loss.
The Dive
CommonComplete the prologue
Curiosity
CommonOpen the sunken drawer before getting to the Thalassa
Welcome home
CommonReturn to the Thalassa
Poly the Cat
CommonPet Poly the Cat
Memories of a better time
Common
Intrusive thoughts
Common
Mystery Novice
CommonSolve 10 Mysteries
Solution Seeker
CommonSolve 20 Mysteries
A step closer to the truth
CommonComplete all crucial mysteries needed to progress to Deck 2
Secret Sage
CommonSolve 30 Mysteries
Mystery Virtuoso
CommonSolve 40 Mysteries
Secrets of a friend
Common
Finding a home
Common
Letting go
Common
Puppylove
Common
No one to blame
Common
Integrity over fame
Common
A captains trust
Common
Secret Savant
CommonSolve 50 Mysteries
Undying bond
Common
Avid listener
CommonListen to all Wax roll recordings in the game
Master of Mysteries
CommonSolve all Mysteries
Nautical Nomad
RareVisit all areas on the Thalassa
Chained by grief
Rare
Heartless
LegendaryRelated games
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