PC
Thalassa: Edge of the Abyss Steam Key
Thalassa: Edge of the Abyss
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.
Adventure
25 Steam Achievements
The Dive
Complete the prologue
Welcome home
Return to the Thalassa
Intrusive thoughts
A step closer to the truth
Complete all crucial mysteries needed to progress to Deck 2
Nautical Nomad
Visit all areas on the Thalassa
Mystery Novice
Solve 10 Mysteries
Solution Seeker
Solve 20 Mysteries
Secret Sage
Solve 30 Mysteries
Mystery Virtuoso
Solve 40 Mysteries
Secret Savant
Solve 50 Mysteries
Master of Mysteries
Solve all Mysteries
Poly the Cat
Pet Poly the Cat
Undying bond
Finding a home
Secrets of a friend
Puppylove
A captains trust
Integrity over fame
No one to blame
Memories of a better time
Heartless
Letting go
Chained by grief
Curiosity
Open the sunken drawer before getting to the Thalassa
Avid listener
Listen to all Wax roll recordings in the game
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