Subnautica 2 Devs Address Immortal Fish Controversy – Apologize but Won’t Add Weapons

Subnautica 2 launched into Early Access on May 14, 2026 and immediately became one of the biggest game releases of the year — 2 million copies sold in the first 12 hours, over 651,000 peak concurrent players across all platforms, and a peak of 467,582 on Steam alone, making it the 29th highest concurrent player count in Steam history. By any measure, Unknown Worlds delivered one of the most explosive launches of 2026. And then, almost immediately, the community found something to fight about.

Within days of launch, a heated debate broke out over one specific design decision: you cannot kill fish in Subnautica 2. No weapons, no Thermoblade finish moves, no satisfying leviathan takedowns. Every creature, from the smallest fauna to the biggest nightmare in the deep, is effectively immortal. What followed was a wave of community complaints, some dismissive responses from team members, a full-on controversy, and now an official apology and detailed statement from the developers. Let’s break it all down.

What Is the “Immortal Fish” Controversy?

To understand why this blew up, you need to understand what changed between Subnautica 2 and its predecessors. In the original Subnautica, killing creatures was never easy or particularly rewarded — the game was always designed with an anti-violence, exploration-first philosophy — but it was technically possible. You could take down predators with the right tools. The Thermoblade in particular became a fan favourite, letting you instantly kill and cook small fish in one strike while also dealing meaningful damage to larger threats. That functionality carried over into Subnautica: Below Zero.

In Subnautica 2, that’s all gone. Unknown Worlds made a deliberate design decision to remove the ability to kill any fauna entirely. Every creature is unkillable. You can’t damage predators. You can’t fight back in any lethal sense. Your tools are limited to mitigation, avoidance, and deterrence — things like flares to scare creatures off, the Survival Multitool for non-lethal defense, and environmental awareness.

For a significant chunk of the player base, this broke immersion in a fundamental way. The argument isn’t really that people want to go around murdering fish for fun — it’s that when you’re playing a survival game on a hostile alien ocean planet, being completely incapable of fighting back against creatures that are actively hunting you strains believability. One Reddit post that kicked off a major discussion put it simply: even if you never went out of your way to kill creatures in the original game, knowing you could was part of what made the danger feel fair. That option is now gone entirely.

Some players pointed out that without any kill mechanic, there’s also less reason to add upgrade tools like the Thermoblade — removing a beloved piece of Subnautica’s equipment DNA. Others argued that if avoidance is the only option but avoidance tools feel underpowered, you’re stuck in an impossible situation where you’re expected to survive without being able to meaningfully respond to threats.

The Developer Responses That Made Things Worse

The community feedback on its own might have stayed manageable. What escalated things was how some team members initially responded to the complaints. The most notable flashpoint came from level designer Artyom “Artie” O’Rielly, who effectively told players unhappy with the no-kill design to go play something else if they wanted to kill things.

That kind of response — however understandable the frustration behind it might be from a developer’s perspective — lands badly when you’ve just launched a game into Early Access specifically to gather community feedback. It reads as dismissive of the very people who bought in during a rough early development period to support the project. The backlash to those comments was swift and loud enough that it clearly reached the right people internally, because what followed was a much more considered and measured official response.

Unknown Worlds’ Official Response — What They Said

Unknown Worlds published a community letter addressing the controversy directly, and to their credit, it leads with an apology. The team acknowledged that recent comments from select developers had made players “feel ignored or dismissed,” and apologised for that. That’s a good starting point — admitting that the tone was wrong without making it the entire focus of the response.

From there, the letter gets substantive. The developers confirmed that creature balance is getting work. Specifically, the following elements are flagged for adjustment in future updates:

• Survival Multitool effectiveness — the primary non-lethal defense tool needs to hit harder as a deterrent
• Aggro range — predators are currently triggering on players from too far away
• Creature aggression — overall hostility levels need recalibrating
• Flare effectiveness — flares should be a more reliable way to drive off threats

These are all meaningful changes. If predators have an unreasonably large aggro range and flares barely work, then asking players to avoid and deter threats rather than kill them is setting them up to fail. The game’s design philosophy can only work if the non-lethal tools actually do their job, and the team is openly admitting they aren’t there yet.

On the weapons question itself, the letter was direct: “traditional weapon-based combat” is not happening. The no-kill design is not changing. But the statement is careful to frame this without judgment toward players who want it. The team explicitly wrote that they are not judging players who want to kill creatures, and that they understand why players reach for that solution — because right now, when avoidance feels ineffective, of course you want a more decisive answer. The goal is to make avoidance feel effective enough that the instinct to kill feels less necessary.

The letter also addressed the broader purpose of Early Access, clarifying that this isn’t just a bug-testing phase. Feedback on design decisions is valid input, and while not every request will be granted, the team committed to listening respectfully and explaining their decisions thoughtfully. That’s a direct response to the dismissive tone that triggered the backlash in the first place.

Will the Balance Changes Actually Fix It?

This is the honest question the community is wrestling with, and there’s no clear answer yet. The balance fixes Unknown Worlds has outlined are all genuinely necessary and overdue. If flares reliably drive creatures away, if the aggro range is pulled back to something reasonable, and if the Survival Multitool becomes a tool you actually want to use in a crisis, the experience of navigating a hostile alien ocean without being able to kill anything becomes a lot more playable and arguably more tense in an interesting way.

The original Subnautica did something remarkable: it made players genuinely afraid of creatures not because they were endlessly aggressive, but because encounters felt rare, unpredictable, and weighty. You didn’t want to kill the Reaper Leviathan partly because its size and presence was terrifying, and partly because you never had to. That’s the experience Unknown Worlds is clearly trying to recreate and amplify in the sequel. The problem is that experience only works if the creature behavior is tuned correctly — and right now, it isn’t.

Whether the players who’ve dug into “I want weapons” territory can be brought back around once the patches land is genuinely uncertain. Some of them will never be satisfied without lethal options. Others will likely find that a well-tuned version of the avoidance system is compelling enough that the absence of weapons stops feeling like a restriction and starts feeling like design intent.

The Bigger Picture: A Massive Launch With Real Growing Pains

It’s worth zooming out and acknowledging what Subnautica 2 is in the context of the current gaming landscape. This game had one of the most turbulent development histories in recent memory — legal battles between Unknown Worlds and publisher Krafton, leadership removals, court orders, a $250 million earnout dispute, and a launch that almost didn’t happen. Against all of that chaos, the game launched, sold 2 million copies in 12 hours, and currently holds a Very Positive rating on Steam. That’s not nothing. That’s actually remarkable.

The immortal fish debate is real and the community frustration behind it is legitimate, but it’s also the kind of feedback loop that Early Access is specifically designed to surface. Unknown Worlds now knows exactly where the game falls short, and they’ve committed to addressing it — even if they’re not changing the core design direction. That’s Early Access working as intended. The community complained, the developers heard it, and now patches are coming.

The contrast with how some other studios have handled community feedback recently is actually worth noting. When developers dig in defensively and refuse to engage — or worse, tell players to go play something else — it compounds the problem. The Unknown Worlds community letter isn’t perfect, but it’s honest, specific, and appropriately humbled. That matters in an era where live-service games are struggling to maintain community trust and players are increasingly vocal about holding studios accountable.

The Bottom Line

Subnautica 2 is not adding weapons or the ability to kill creatures — that’s final according to Unknown Worlds. What is changing: creature balance across aggro range, aggression levels, Survival Multitool effectiveness, and flare utility will all be adjusted in upcoming patches. The team has apologised for dismissive responses from individual developers and committed to treating community feedback with more care throughout Early Access. Whether the balance changes are enough to satisfy the vocal portion of the playerbase that wants lethal options will depend entirely on execution. For now, if you’re bouncing off Subnautica 2’s current creature balance, it’s worth waiting for those patches before writing it off — the bones of the game are clearly exceptional, even if the tuning still needs work.