AdventureIndieRPG
Thalassa: Edge of the Abyss
Give it 7 hours
Gets good by 7h then rated almost like by veterans
Started playing 73% of owners
Steam reviews 88% positive of 378
What the data shows
- In the first 2 hours most reviews are negative (68%); after 7h it's 1 in 11 (9%).
- The opening is criticised more than in 95% of games we track.
- Few early reviews, so this is a rough estimate.
- 72% of owners got the first achievement.
When it gets good
Share of positive reviews by how many hours the reviewer had played when writing the review.
before it gets good opening up fully opened up
Based on all 378 Steam reviews in every language. Median playtime in a sample of 298 reviews: 9.7h for positive, 8.5h for negative. Almost every game is rated lower in the first 2–3 hours: that window includes refunds and quick first impressions. What matters is how deep the dip is and how fast the game recovers.
Where players quit
Share of players who started the game and reached each story milestone. 100% is the most common achievement (72.5% of owners), so people who bought the game and never launched it don't count.
Story milestones aren't labeled yet; all achievements are listed below.
All achievements (25)
- The Dive Complete the prologue 100%
- Curiosity Open the sunken drawer before getting to the Thalassa 92%
- Welcome home Return to the Thalassa 92%
- Poly the Cat Pet Poly the Cat 79%
- Memories of a better time Watch the front deck memory scene 78%
- Intrusive thoughts Relive Alex’s death 74%
- Mystery Novice Solve 10 Mysteries 72%
- Solution Seeker Solve 20 Mysteries 69%
- A step closer to the truth Complete all crucial mysteries needed to progress to Deck 2 67%
- Secret Sage Solve 30 Mysteries 66%
- Mystery Virtuoso Solve 40 Mysteries 63%
- Secrets of a friend Complete Alex’s storyline 63%
- Finding a home Complete Adélina’s storyline 62%
- Letting go Save yourself in the end 60%
- Puppylove Complete Kaymar and Maria’s storyline 60%
- No one to blame Complete the Investigation storyline 59%
- Integrity over fame Complete Jessie’s storyline 58%
- A captains trust Complete Hans and Thomas’ storyline 58%
- Secret Savant Solve 50 Mysteries 55%
- Undying bond Complete the love story 53%
- Avid listener Listen to all Wax roll recordings in the game 52%
- Master of Mysteries Solve all Mysteries 42%
- Nautical Nomad Visit all areas on the Thalassa 18%
- Chained by grief Stay with Alex in the end 16%
- Heartless Don’t try to save Alex any time in the game 4.3%
Steam page Updated: 2026-10-22.