The ULTRAKILL Size 2 Fish Conspiracy: Why This Elusive Secret Is The Ultimate Developer Troll
The Size 2 Fish in ULTRAKILL is not just a rare item; it is arguably the single greatest meta-secret and community obsession in the game's history. As of today, December 19, 2025, the mystery surrounding this elusive aquatic prize continues to be a source of both frustration and fascination, largely due to the developers' masterful and ongoing trolling of the player base.
For months, the Size 2 Fish has existed in a state of purgatory—known to be in the game's code, yet perpetually out of reach for 99% of players. This article dives deep into the lore, the mechanics, the brief window where it was "catchable," and the concrete evidence that proves this fish is the ultimate developer-gated secret in the blood-soaked world of *ULTRAKILL*.
The Biography of a Myth: Size 2 Fish Profile
The Size 2 Fish has no formal biography in the traditional sense, but its profile is defined by its status as an enigma and a running joke within the *ULTRAKILL* community. It is an entity of pure digital mythology.
- Full Name/Designation: Size 2 Fish (Often referred to as the "Mythic Fish" or "The Big One").
- Debut/Introduction: Introduced with the fishing mechanic in the secret level 5-S: I ONLY SAY MORNING.
- Location: Any body of water in 5-S, though its catch rate is effectively zero for standard players.
- Significance: Represents the pinnacle of *ULTRAKILL*'s hidden secrets and the developers' playful relationship with the community.
- Status: Exists in the game files, but is almost universally uncatchable due to an intentional code restriction.
- Known Catchers (Official): Limited to specific developer and special guest SteamIDs.
- Associated Levels: 5-S: I ONLY SAY MORNING (The primary fishing spot), 4-4 (V2's blood puddle, for Eyeball Fish).
- Community Theory: Some speculate it's a metaphor for the Sisyphean task of endless grinding, while others believe it's a lore hint related to the *Violence* layer.
The Developer-Gated Secret: The Code Behind the Controversy
The core of the Size 2 Fish controversy lies not in a difficult casting technique or a hidden lure, but in a simple, cold line of code. Early community investigations into the game files revealed the shocking truth: the Size 2 Fish was intentionally restricted.
The SteamID Check
The game's fishing mechanic code included a specific check designed to gate the Size 2 Fish. This check verified the Steam User ID (SteamID) of the player. If the ID matched one of a very small, select list—specifically the game's developers (like Hakita) or special community members—the size of the caught fish would be multiplied by two. This meant that a player who would normally catch a Size 1 Fish would instead catch a Size 2 Fish, but only if they were on the developer's whitelist.
This revelation instantly transformed the Size 2 Fish from a challenging secret into an epic, developer-sanctioned troll. It confirmed that the thousands of hours players spent fishing were, for the most part, a fruitless endeavor by design. The developers had created a secret that was simultaneously real and completely inaccessible to the masses, fueling the game's reputation for deep, often cruel, secrets.
The Conflicting Patch Notes and The Great May 2024 Bug
The saga of the Size 2 Fish took an even more bizarre turn with a series of conflicting patch notes that perfectly exemplify the developers' sense of humor and ongoing meta-narrative. This is the freshest and most crucial piece of information for any dedicated player.
A Fleeting Moment of Hope
In April 2024, with the release of Patch 15, players noticed a strange note in the changelog. This was quickly followed by a patch that seemed to imply the Size 2 Fish was now catchable for everyone. This sent the community into a frenzy, with players rushing back to the 5-S water to try and catch the legendary fish. The idea that the secret had finally been released was a massive moment of collective excitement.
The Developer's Punchline (Patch 15c)
That hope was short-lived. A subsequent hotfix, Patch 15c, released on May 11, 2024, delivered the ultimate punchline. The patch notes for this update explicitly stated: "Fixed a bug that caused Size 2 fish to be catchable." This single line confirmed several things:
- There was indeed a brief period where the SteamID check was bypassed, allowing regular players to catch the fish due to a bug.
- The developers not only noticed the bug but actively "fixed" it by re-implementing the restriction, ensuring the Size 2 Fish returned to its mythical, uncatchable status for the general public.
- It cemented the Size 2 Fish as the game's most intentional and high-profile developer troll, turning a simple patch note into a piece of gaming history.
Topical Authority and The Lore of the Size 2 Fish
Beyond the code and the patch notes, the Size 2 Fish has been woven into the game's lore and community dialogue, adding layers of topical authority to its mythos. The fishing mechanic itself is found in 5-S, a secret level that is already a departure from the game's core action, suggesting a deeper, more meditative secret.
The Mandalore Hint
One notable hint involves the Mandalore plush, a collectible item found in the game’s museum. If a player picks up the plush and waits for a specific amount of time, the plush will allegedly whisper a cryptic message: "Hey Psst, the water..." This kind of subtle, fourth-wall-breaking clue is classic *ULTRAKILL* and keeps the mystery alive, even when the code says otherwise.
The V2 Theory and *Violence* Update
Community theories abound regarding the fish's true identity. A popular, if humorous, theory suggests the Size 2 Fish is actually a fish-ified version of V2, the game's famous red machine antagonist. Theorists imagine it as a red fish with wings and a single camera lens. Furthermore, some fans believe the *Violence* layer update provided new lore that helps "narrow down the identity of size 2 fish," though the specifics remain cryptic and open to interpretation.
Whether it is a corrupted machine, a metaphor for a futile task, or simply a developer joke, the Size 2 Fish remains one of the most talked-about secrets in modern gaming. The fact that the developers actively "fixed" a bug to make it uncatchable proves its status is intentional: it is a secret meant to be pursued, but never truly attained, making it a perfect symbol of the *ULTRAKILL* experience.
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