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Thalassa: Edge of the Abyss

Wishlist Follow Ignore Install Watch
App ID 1783680
App Type Game
Developer
Publisher Team17 Digital Ltd
Franchise Team17 Digital Ltd
Supported Systems Windows
Technologies Unreal Engine
Last Changenumber 28538688
Last Record Update 17 April 2025 – 22:00:13 UTC ()
Release Date 1 August 2024 – 15:58:16 UTC ()
❓ 82.91%
213 reviews
1
In-Game

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.

Steam price history

Special Promotion, offer ends 5 May 2025 – 17:00:00 UTC
Current Price $14.99 at -25%
Lowest Recorded Price $13.99 at -30% 27 November 2024
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar $14.99 at -25% $14.99 $13.99 $13.99 at -30%
Chinese Yuan ¥ 69 at -25% $9.46 -36.84% $8.83 ¥ 64.40 at -30%
Brazilian Real R$ 53,99 at -25% $9.48 -36.71% $8.85 R$ 50,39 at -30%
Colombian Peso COL$ 42000 at -25% $9.87 -34.15% $9.21 COL$ 39200 at -30%
Mexican Peso Mex$ 194.99 at -25% $9.99 -33.31% $9.33 Mex$ 181.99 at -30%
Philippine Peso ₱600.00 at -25% $10.66 -28.84% $9.95 ₱560.00 at -30%
Uruguayan Peso $U471 at -25% $11.25 -24.93% $10.51 $U440 at -30%
Peruvian Sol S/.42.00 at -25% $11.40 -23.94% $10.64 S/.39.20 at -30%
Vietnamese Dong 300000₫ at -25% $11.52 -23.09% $10.76 280000₫ at -30%
South Korean Won ₩ 16870 at -25% $11.72 -21.76% $10.94 ₩ 15750 at -30%
Malaysian Ringgit RM51.75 at -25% $11.83 -21.07% $11.04 RM48.30 at -30%
CIS - U.S. Dollar $11.99 at -25% $11.99 -20.01% $11.19 $11.19 at -30%
LATAM - U.S. Dollar $11.99 at -25% $11.99 -20.01% $11.19 $11.19 at -30%
MENA - U.S. Dollar $11.99 at -25% $11.99 -20.01% $11.19 $11.19 at -30%
South Asia - USD $11.99 at -25% $11.99 -20.01% $11.19 $11.19 at -30%
Japanese Yen ¥ 1725 at -25% $12.00 -19.90% $11.20 ¥ 1610 at -30%
Kuwaiti Dinar 3.75 KD at -25% $12.22 -18.44% $11.41 3.50 KD at -30%
Kazakhstani Tenge 6375₸ at -25% $12.38 -17.40% $11.55 5950₸ at -30%
Ukrainian Hryvnia 524₴ at -25% $12.53 -16.41% $11.69 489₴ at -30%
Hong Kong Dollar HK$ 99.00 at -25% $12.75 -14.88% $11.90 HK$ 92.40 at -30%
Chilean Peso CLP$ 11940 at -25% $12.77 -14.80% $11.91 CLP$ 11144 at -30%
Indian Rupee ₹ 1124 at -25% $13.16 -12.18% $12.28 ₹ 1049 at -30%
Indonesian Rupiah Rp 225000 at -25% $13.38 -10.68% $12.49 Rp 210000 at -30%
New Zealand Dollar NZ$ 22.46 at -25% $13.39 -10.61% $12.50 NZ$ 20.96 at -30%
Thai Baht ฿450.00 at -25% $13.42 -10.41% $12.53 ฿420.00 at -30%
Taiwan Dollar NT$ 449 at -25% $13.79 -7.98% $12.87 NT$ 419 at -30%
Canadian Dollar CDN$ 19.49 at -25% $14.03 -6.37% $13.09 CDN$ 18.19 at -30%
Australian Dollar A$ 22.12 at -25% $14.17 -5.43% $13.23 A$ 20.65 at -30%
Singapore Dollar S$18.75 at -25% $14.26 -4.81% $13.31 S$17.50 at -30%
South African Rand R 269.25 at -25% $14.40 -3.89% $13.44 R 251.30 at -30%
Saudi Riyal 56.24 SR at -25% $14.99 +0.02% $13.99 52.49 SR at -30%
Costa Rican Colon ₡7725 at -25% $15.26 +1.82% $14.24 ₡7210 at -30%
U.A.E. Dirham 56.25 AED at -25% $15.31 +2.16% $14.29 52.50 AED at -30%
Qatari Riyal 56.24 QR at -25% $15.44 +3.04% $14.41 52.49 QR at -30%
Israeli New Shekel ₪56.21 at -25% $15.51 +3.47% $14.47 ₪52.46 at -30%
Norwegian Krone 165,00 kr at -25% $15.80 +5.46% $14.75 154,00 kr at -30%
Euro 14,99€ at -25% $17.07 +13.93% $15.93 13,99€ at -30%
Polish Zloty 68,99zł at -25% $18.35 +22.43% $17.12 64,39zł at -30%
Swiss Franc CHF 16.49 at -25% $19.91 +32.84% $18.58 CHF 15.39 at -30%
British Pound £14.99 at -25% $19.95 +33.13% $18.62 £13.99 at -30%
Russian Ruble N/A N/A N/A
Valve suggested prices are shown on package pages.

Price history

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View lowest recorded prices on Steam store pages by using our browser extension.

Additional Information

Developer Sarepta Studio
controller_support full
community_visible_stats Yes
DLCAvailableOnStore Yes
ReleaseState released
Publisher Team17 Digital Ltd
Store Release Date 1 August 2024 – 15:58:20 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://discord.gg/4tysgGsrWA
Primary Genre Indie (23)
Store Genres Adventure (25), Indie (23), RPG (3)
Steam Release Date 1 August 2024 – 15:58:16 UTC ()
Store Asset Modification Time 18 February 2025 – 09:56:22 UTC () (1739872582)
library_assets
library_capsuleen,zh-tw
library_heroen
library_logoen,zh-tw
library_headeren
logo_position ↴
pinned_positionCenterCenter
width_pct43.55179886116531
height_pct100
osextended empty string
review_score 8
review_percentage 91
Detected Technologies (?) Unreal Engine, NVIDIA_APEX SDK, NVIDIA_Nsight_Aftermath SDK, NVIDIA_PhysX SDK, NvCloth SDK, Ogg SDK, Vorbis SDK, Wwise SDK, XAudio2 SDK, iZotope SDK
Steam Deck Compatibility
  • Some in-game text is small and may be difficult to read
  • This game requires manual configuration of graphics settings to perform well on Steam Deck
  • This game is incorrectly scaled on Steam Deck and may require you to configure the display resolution manually
  • All functionality is accessible when using the default controller configuration
  • This game shows Steam Deck controller icons
  • Note: This game does not default to external Bluetooth/USB controllers on Deck, and may require manually switching the active controller via the Quick Access Menu
  •  
  • category: Playable
  • test_timestamp: 28 March 2025 – 00:00:00 UTC
  • tested_build_id: 15692779
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_01
    non_deck_display_glyphs0
    small_text1
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-9.0-4RC
    requires_h2640
    gamescope_frame_limiter_not_supported0
    hdr_support0
Content Descriptors General Mature Content (5)
controllertagwizard Yes
First seen on SteamDB 6 October 2021 – 13:51:06 UTC (), in changelist #12772673

Supported Languages

11 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes Yes
French Yes Yes Yes
Italian Yes Yes Yes
German Yes Yes Yes
Spanish - Spain Yes Yes Yes
Japanese Yes Yes Yes
Korean Yes Yes Yes
Norwegian Yes Yes Yes
Russian Yes Yes Yes
Simplified Chinese Yes Yes Yes
Traditional Chinese Yes Yes Yes

Assets

Load all asset images
clienticon 3eedf292741f7568bef1aae61a20ccadfc5315d1
clienttga 9028ca9d058edfe64bbf0ed28b6d49b0aa6f9e40
icon 481e8ced7661461e363057bbf8847a5b03e50c6c
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image/tchineselibrary_600x900_tchinese.jpg
image2x/englishlibrary_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image2x/englishlibrary_hero_2x.jpg
library_logo ↴
image/englishlogo.png
image/tchineselogo_tchinese.png
logo_position/pinned_positionCenterCenter
logo_position/width_pct43.55179886116531
logo_position/height_pct100
image2x/englishlogo_2x.png
image2x/tchineselogo_tchinese_2x.png
library_header ↴
image/englishlibrary_header.jpg
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
library_hero_2xlibrary_hero_2x.jpg
community_icon481e8ced7661461e363057bbf8847a5b03e50c6c.jpg
page_background_pathapp/1783680
raw_page_backgroundpage_bg_raw.jpg
timestamp18 February 2025 – 17:01:30 UTC
Trailers
257042472 ↴
trailer_nameThalassa - Launch Trailer
trailer_category1
trailer_480p/video/webmmovie480_vp9.webm
trailer_480p/video/mp4movie480.mp4
trailer_max/video/webmmovie_max_vp9.webm
trailer_max/video/mp4movie_max.mp4
microtrailer/video/webmmicrotrailer.webm
microtrailer/video/mp4microtrailer.mp4
screenshot_mediummovie.293x165.jpg
screenshot_fullmovie_full.jpg
trailer_base_id734029
all_agestrue
is_highlighttrue
timestamp1722520889
257042301 ↴
trailer_nameChinese launch trailer
trailer_category1
trailer_480p/video/webmmovie480_vp9.webm
trailer_480p/video/mp4movie480.mp4
trailer_max/video/webmmovie_max_vp9.webm
trailer_max/video/mp4movie_max.mp4
microtrailer/video/webmmicrotrailer.webm
microtrailer/video/mp4microtrailer.mp4
screenshot_mediummovie.293x165.jpg
screenshot_fullmovie_full.jpg
trailer_base_id733734
all_agestrue
is_highlighttrue
timestamp1722520894
257017206 ↴
trailer_nameThalassa - Announce Trailer
trailer_category0
trailer_480p/video/webmmovie480_vp9.webm
trailer_480p/video/mp4movie480.mp4
trailer_max/video/webmmovie_max_vp9.webm
trailer_max/video/mp4movie_max.mp4
microtrailer/video/webmmicrotrailer.webm
microtrailer/video/mp4microtrailer.mp4
screenshot_mediummovie.293x165.jpg
screenshot_fullmovie_full.jpg
trailer_base_id689633
all_agestrue
is_highlighttrue
timestamp1718957474
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