Thalassa: Edge of the Abyss is a Adventure, RPG game from Sarepta Studio with a 89% positive Steam review signal. Indie Lantern indexes it for players browsing by single-player.

Game snapshot
- Developer
- Sarepta Studio
- Release year
- 2024
- Playtime
- Varies by player
- Price
- $19.99
- Review signal
- 89% positive
Screenshots






System requirements
PC
- Minimum
- Requires a 64-bit processor and operating system
OS: Windows 10
Processor: Intel Core i5 4th Gen/ AMD Ryzen 3 4100 4 cores 3.8 GHz
Memory: 8 GB RAM
Graphics: NVIDIA GeForce GTX 1050 Ti 4GB/ AMD R9 290 HD 4GB
Storage: 30 GB available space - Recommended
- Requires a 64-bit processor and operating system
OS: Windows 10 or higher
Processor: Intel Core i7 7thGen / AMD Ryzen 5 3600 6-Core 3.6GHz
Memory: 16 GB RAM
Graphics: NVIDIA GeForce GTX 1660 6GB/ AMD Radeon RX Vega56 8GB
DirectX: Version 12
Storage: 30 GB available space
From Steam reviews
Review notes
Thalassa: Edge of the Abyss is worth a closer look if you want narrative mystery, nautical, exploration, and strong atmosphere.
Best for players who want nautical, strong atmosphere, emotional story, and narrative mystery.
Check more carefully if you dislike unclear onboarding and technical roughness.
narrative-mystery
Play styleA useful part of the game is piecing together mystery and story threads.
nautical
SettingWater, boats, fishing, or sea travel are important to the feel.
exploration
Play styleThe draw is moving through spaces, discovering details, and learning the world.
strong-atmosphere
ToneThe mood, place, and presentation carry a lot of the experience.
emotional-story
ToneThe story is framed as affecting rather than just plot-heavy.
narrative-adventure
Play styleThe experience is more story-and-place driven than systems-heavy.
melancholic
ToneThe emotional register is quieter, sadder, or bittersweet.
confusing-onboarding
FrictionThe first hours can be unclear without patience or outside help.
Steam review snapshots
So, get ready to slowly plod through the ship, each and every time something major is revealed.A decent but intrinsically flawed exploration game w/ a "mind palace" meta-game.[*] Quite good detective story.Pro: – Moody lonely underwater exploration without horror.Why it fits
Check it if you want adventure, rpg filtered by single-player.
Who might skip it
Research further on Steam if you need verified accessibility details, exact playtime, or current system requirements.