Lost and Found Co Secret Rooms: Hidden Room Locations and the Kindred Brush

What Counts as a Secret Room in Lost and Found Co

You have swept the whole stage, the counter still says something is missing, and the object you need is nowhere on screen. In Lost and Found Co, that feeling usually means you have not clicked the right piece of scenery yet — and a few of those clicks open entire hidden interiors that never appear on any objective list.

The game does not label these spaces. There is no in-game "secret rooms" tracker, no official map, and no achievement description that spells out a location. What exists instead is player reporting: a handful of confirmed rooms, a few named spots, and one collectible — the Kindred Brush — that players are still arguing about. This guide separates what is actually documented from what is still guesswork, so you know which leads are worth chasing.

The Hidden Rooms Players Have Actually Found

The clearest evidence comes from a June 24 thread on the Lost and Found Co. Steam Community hub, where a player asked how many secret rooms exist and where the Kindred Brush is hidden. In that post, the player listed three spaces they had already opened:

• The ink-wash painting shop
• The theater
• The Pizza Ninja's room

Those three sit in the ninja-themed stage, and the same player asked whether comparable rooms exist in the idol otaku's place, the weapon shop, or the ninja school itself. No one in the thread confirmed additional rooms in those buildings.

One concrete method did come out of the discussion. The original poster followed up to report that clicking the Otaku Ninja's skateboard opens a hidden room. That is the most useful single detail in the whole thread: a prop that looks like ordinary scenery is the door.

A separate discussion title on the same hub — "Master of Findjutsu: Cannot find the last of the three ninja secret rooms" — implies there are three secret rooms tied to the ninja stage. That lines up with the three spaces the first player named, though nobody in the captured material confirmed the count officially.

Why Clicking Props Opens Rooms

If a skateboard can be a doorway, the mechanic behind secret rooms is the same one that governs the game's hardest objectives. As Casual Game Guides' Lost and Found Co. walkthrough explains, the game hides "obscured" objectives inside or behind clickable props — signs, shelf lips, window frames, trays, drawers, and boxes that need one extra click before the real target appears.

Secret rooms follow that same design logic, just at a larger scale. The prop is not hiding an item; it is hiding a space. Practical approach:

• Treat decor as suspicious. Skateboards, posters, shop signs, and odd props are the kind of object that turns out to be interactive.
• Zoom before you dismiss a corner. Small props are easy to write off at full-map view.
• Clear a zone fully. Half-searching five areas is how the one clickable prop gets missed.
• Re-check after story progress. Quest-type objectives unlock new targets after you find the first one, so a prop that did nothing earlier may behave differently later.

The Kindred Brush: Two Conflicting Locations

The Kindred Brush is the other half of the same search, and the community does not agree on where it is. Two reports exist, and they contradict each other:

1. Next to Hisui Sama. The June 24 poster reported the brush sits just beside Hisui Sama — the same reply that explained the skateboard room.
2. An underground area. A second player replied on August 3 saying the brush is in one of the underground areas, next to a girl sitting in the middle.

Neither report includes a screenshot in the captured material, and neither player confirmed the other's location. Treat both as leads rather than answers, and check the underground area first if you have already swept the surface near Hisui Sama. It is also unclear whether the brush is required for a secret room or is a separate collectible — the thread title groups them together, but nothing in the replies establishes a link.

Secret Rooms Are Not the Same as Ultra-Secret Objectives

It is easy to confuse the two, because both reward aimless clicking. A Boiling Steam review of Lost and Found Co. describes "ultra-secret objectives" that appear nowhere on any list. In the reviewer's example, clicking a fish caused it to spit out a cat, and after the scenario the player received a thank-you letter and a reward back at the home base.

Those are bonus interactions layered onto normal stages. Secret rooms, by contrast, are physical spaces you enter. Both come from the same habit — clicking everything that looks animated or slightly out of place — but only one changes where you are standing.

What About the Locked Room in the Office?

A screenshot post on the same Steam hub asks how to unlock the locked room in the office, noting the door has a keyhole and no obvious trigger. In the material available here, nobody answered it. Do not assume the office door is a secret room in the same sense as the ninja stage spaces; there is no verified unlock method, and no player report connecting it to the Kindred Brush or to the "Master of Find jutsu" achievement. If you are stuck on it, the honest answer is that the solution is not publicly documented yet.

Frequently Asked Questions

How many secret rooms are in Lost and Found Co? There is no official count. Community reports name three in the ninja-themed stage — the ink-wash painting shop, the theater, and the Pizza Ninja's room — and a separate thread title refers to "the last of the three ninja secret rooms," which supports that number without confirming it.

Where do I find the Kindred Brush in Lost and Found Co? Players disagree. One report places it next to Hisui Sama; another says it is in an underground area next to a girl sitting in the middle. Check both, starting with whichever area you have searched less thoroughly.

How do you open a hidden room? Based on the one documented method, you click a prop that looks like ordinary scenery — the Otaku Ninja's skateboard. This matches the game's obscured-objective design, where props must be clicked before the hidden target appears.

Are Lost and Found Co secret rooms tied to achievements? Unconfirmed. A Steam discussion title references "Master of Findjutsu" alongside the three ninja secret rooms, which suggests a connection, but no player in the captured material confirmed which achievement the rooms unlock.