Sea Of Radiation 2

Sea Of Radiation 2

Released Nov 2024

Welcome to the perilous nuclear-contaminated waters, where all creatures are mutating. Start as an ordinary small fish, struggling to survive in this toxic sea. Through continuous evolution and adaptation, you will grow into a powerful ocean monster and ultimately become the sole ruler of this ocean

71% positive · 137 reviews
Not yet
Released, but still in active development
Medium confidence
Active Development
Not yet
Released, but still in active development
Medium confidence
Active Development

Where to buy

Steam $5.99
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Evaluation

Sea of Radiation 2 launched on November 29, 2024 and has been actively updated since release. The developer shipped a free DLC called "Deep into the Sea" on April 18, 2025, adding Cataclysm mode with 18 disaster effects, new joints, organs, and other substantial content. Beyond that major release, the game has received a continuous flow of feature patches and bug fixes — the most recent being March 31, 2026. Across this history, feature patches have arrived roughly every few weeks to months, establishing a clear, sustained pattern of ongoing development. The last developer communication was on March 31, 2026, just six months before today's date (October 1, 2026). While this is at the edge of the historical update rhythm, the overall pattern of consistent engagement since launch and the absence of any wind-down statement means there is no cause for concern yet. No specific upcoming content has been formally announced, and the developer has made no statement about concluding development.
Evidence
Update V2.3.8 shipped with gameplay adjustments and bug fixes — the most recent developer communication on record.
news post · Mar 31, 2026 source development ongoing
high
Developer released the first free DLC 'Deep into the Sea', adding Cataclysm mode with 18 disaster effects, new joints, organs, fish bodies, and more.
news post · Apr 18, 2025 source content shipped
high

Content

1 of 1 released · no outstanding content

Media

Details

Developer
Publisher
NightWalker
Achievements
20
Platform
Windows
Controller
full support
Steam Deck
Playable
Players
Single-player

About this game

Welcome to the perilous nuclear contaminated waters, where all living creatures are quietly undergoing mutations. You will transform into an ordinary small fish, struggling to survive in this sea area invaded by nuclear pollution. Through continuous evolution and adaptation to the environment, it grows into a powerful ocean monster and ultimately becomes the sole hegemon of this ocean!


Build your Deep Sea Troll: In this game, players will take on the role of a small, fledgling creature whose goal is to evolve into a giant in the deep sea by absorbing radiation and devouring competitors. Players can customize the evolution path of the sea monster according to their preferences, and each choice will affect the shape and ability of the sea monster. With the deepening of the game, players will witness their own sea monster from insignificant fish, to the ruler of the ocean, this process is not only full of achievement, but also endless fun to explore the unknown.


Dynamically mutating challenges: Enemies in the game are not static, but randomly mutate as the environment changes and the game progresses, creating unpredictable challenges for the player. Each game is a new experience and players will face different enemies and challenges, which requires players to constantly adapt to the environment and flexibly adjust their tactics. This random variation mechanism not only increases the complexity of the game, but also simulates the unpredictability of nature, making every game experience unique to the player.


The pleasure of swallowing everything: In the game, players will experience unprecedented swallowing pleasure, each swallowing is the accumulation of power, each growth is the consolidation of the dominance of the ocean.


Organs, Joints and Features: The game has added more organs and features that players can choose from according to their fighting style and evolutionary needs. In addition, the introduction of the joint system allows the player to equip the joint on the organ position, freely adjust the position and orientation of the organ, providing more possibilities for the battle strategy of the sea monster.

Challenge of Overlord enemies: Each enemy type has a new Overlord character, who acts as the parent body and can spawn new enemies with unique upgrades and skills. Players need to face these powerful overlords, through the battle of strategy and strength, to prove their dominance.

New experience in Exploration Mode: The game introduces a new exploration mode with ten different levels. Players need to complete these levels, collect new mutations, unlock new evolutionary paths, and further enrich their sea monster to become a true Lord of the deep sea.
Last evaluated Oct 1, 2026
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