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Reach Shift 3 to unlock the Rain Shift for the regular Night Shift rotation in Animal Hospital. After that, it can occur when rain begins; the available guides describe it as a random event, not one players can reliably trigger on demand.

How to unlock Rain Shift

  1. Progress through the game until you reach Shift 3.
  2. Complete Shift 3. Guides say this makes Rain Shift eligible for the regular rotation from then on.
  3. Continue playing Night Shifts and watch for rain. There is no reliable manual trigger described in the available guides.

Rain Shift was introduced in the August 8, 2026 Lore Expansion, according to an unofficial fan guide. The guides agree on Shift 3 as the threshold, but disagree about whether the event is limited to a particular range of shifts. They do not establish an upper limit, so check the live game rather than relying on a claimed final eligible shift. (Game Rant; Sportskeeda; Pro Game Guides)

What happens during Rain Shift?

Rain signals the event, and aquatic-looking patients begin arriving at reception. Guides describe fish-like, shark-like, and angler-fish-like appearances. Rain Shift is a weather-based variation within the ordinary Night Shift, not a separate game mode. It is also distinct from the Hazmat or slime special shift. (Game Rant; Sportskeeda)

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How to screen aquatic patients

An aquatic appearance does not by itself mean a patient is safe: some aquatic patients can be anomalies. Treat each arrival like any other screening decision and use the game’s available checks before admitting them.

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  1. Inspect the patient’s appearance for unusual traits.
  2. Take a photo and review it using the in-game photo process.
  3. Check CCTV footage for suspicious details.
  4. Decide whether to admit the patient only after completing the checks.

The Rain Shift guides do not establish a special screening procedure that replaces the usual visual, photo, and CCTV review. (Game Rant)

What is still uncertain?

  • Maximum eligible shift: One guide gives Shifts 3–8, while later guides describe eligibility from Shift 3 onward. The available sources do not settle the upper limit. (Game Rant; Pro Game Guides)
  • Puddle effects: Guides conflict about what puddles do. One says they slow movement and cannot be removed; an earlier account says they restore Sanity, with a different effect for Psychologists. Treat either effect as unconfirmed unless your current game version shows it. (Pro Game Guides; Game Rant)

The gameplay details above come from secondary guides, including fan-operated sources; direct developer documentation was not available in the cited material. One guide was last updated September 17, 2026. (Sportskeeda; Game Rant)

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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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