Subterror
Released Jan 2025
Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.
89% positive · 475 reviews
Done
All announced content has been released
Medium confidence
Done
All announced content has been released
Medium confidence
Where to buy
Steam $7.99
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Evaluation
Subterror launched into Early Access in October 2024 and reached its full 1.0 release on January 3, 2025. Team Monumental shipped content updates at a consistent pace during the game's development: the Autumn Update (v0.4.0, November 27, 2024), the 1.0 Release Update (January 4, 2025), and the Spring Update (v1.1.0, April 19, 2025). This established a cadence of major updates roughly every 1–3 months.
The Spring Update on April 19, 2025 was the last major content release, followed by three hotfixes through April 22, 2025 — which represents the last developer communication of any kind. As of today, September 24, 2026, that is over 17 months of silence, far beyond the 1–3 month cadence the developer previously maintained.
Neither the Autumn Update (October 2024) nor the Spring Update's post-release notes contain any forward-looking announcements for upcoming content. The Halloween Update (October 2024) and Autumn Update both included "What's Next" sections promising more enemies and maps — commitments that were subsequently fulfilled by the 1.0 Release Update and Spring Update respectively. No similar "What's Next" statement appears in the Spring Update or any post-1.1.0 communication. The developer has not announced any future content, has not signaled ongoing development, and has not indicated any distress either. The game simply went quiet after April 22, 2025, with all previously teased content having shipped. The absence of any forward commitment, combined with silence extending well beyond the historical update window, indicates the game has concluded its content cycle and shipped as a complete product.
Evidence
v1.1.3 hotfix — the last developer communication of any kind, as of September 24, 2026.
Spring Update (v1.1.0) shipped with two new enemies (Wendigo, Basilisk), 8-player lobbies, and 19 achievements. No 'What's Next' section or announcement of future content.
Media
Details
Developer
Publisher
Team Monumental
Achievements
19
Platform
Windows
Controller
—
Steam Deck
Playable
Players
Single-player · Multiplayer · Co-op
About this game
What Lies Beneath
At the bottom of the ocean floor lie The Biospheres. These weather-controlled domes once supported vast arrays of lifeforms, but have since been abandoned. Explore arid deserts, dark forests, and frozen tundras. But don't stay too late, as you are not alone out in the great abyss.What Lies Within
Venture into procedural dungeons deep within The Biospheres. Discover why the underwater domes were built and what inhabitants may lurk inside. Should you want to continue your exploration deeper underwater, you best not leave empty-handed.Stick Together
It's dangerous to go alone. Bring a crew of up to 4 players to better your odds. Or, if you are feeling hardcore, you can venture off by yourself.Last evaluated Sep 24, 2026
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