Brain Puzzle 3 Level 136

Overview

Level 136 is a timed perspective-switch puzzle set in a public restroom. The yellow banner teaches the core mechanic: "You Can Switch Perspectives With The Button In The Upper Right Corner," and a blue circular refresh button sits in the top-right of the screen. The red-haired girl in a pink hoodie and denim shorts stands in front of a grey partition wall punched with a giant keyhole. On the left partition hangs a large golden key, a calico cat sits on the right ledge daydreaming about a slice of cake, a curly-haired girl with glasses in a blue shirt and plaid skirt looks frightened by the stalls, and a workman in a yellow hard hat is passed out snoring on a toilet inside a stall. A potted plant sits on the floor. The goal is to use the key, help the cat, wake the workman, and flip the perspective to see what is hidden on the other side of the partition.

• Difficulty: Hard
• Estimated moves: 5

Step-by-Step Solution

1. Grab the golden key. Tap the large golden key hanging on the hook of the left partition wall. It comes off the hook.

1. Unlock the keyhole in the grey wall. Use the key on the giant keyhole punched into the grey partition directly in front of the red-haired girl. The wall opens to reveal a built-in screen / control panel behind it.

1. Settle the calico cat. The calico cat that was daydreaming about a cake jumps onto the opened screen panel and lies on it contentedly (paw prints visible on the screen). This quiets the cat and removes the distraction from the ledge.

1. Wake the workman. With the wall opened and the stall door swinging open, the workman in the yellow hard hat jolts awake on the toilet, his head flaring in cartoon shock. He is now alert instead of snoring.

1. Switch perspective with the upper-right button. Tap the blue circular button in the top-right corner. The view flips to the reverse side of the restroom: rows of dark lockers, a stainless-steel sink on the left, the curly-haired girl standing with sticky notes (including the number "357") on her back, a blue backpack on the floor, and a black-haired girl peeking out from a lower stall.

1. Resolve the partition and finish. Back in the red-haired girl's view, she raises her leg and kicks the grey partition wall aside. The workman sits awake on the toilet, the curly-haired girl stands safely, and the red banner "Completed" drops with confetti.

Strategy & Reasoning

This level is a tutorial for the perspective-switch mechanic. The banner literally tells you to use the upper-right button, and the puzzle demonstrates why: one side of the restroom hides a key and a keyhole, while the other side hides lockers, a sink and a backpack that are only visible after flipping the view. You cannot solve it by tapping only what is on screen — the switch button is itself one of the key tools.

The golden key is the obvious first step because it is hanging right next to the keyhole wall. Once the wall opens, the cat — which was shown daydreaming about cake — settles onto the revealed screen, and the commotion wakes the snoring workman. Only after these three things happen (key used, cat settled, workman awake) does the perspective flip reveal the back side. The kick at the end is the red-haired girl finishing the job by physically pushing the partition aside.

There is no way to advance by tapping the frightened girl or the sleeping workman directly. The order is forced: key → open wall → cat/workman reaction → perspective switch → finish. The sticky notes and backpack on the reverse side are the reason the perspective flip exists at all.

Tips & Common Mistakes

• Mistake: forgetting the upper-right perspective button. The blue circular button is essential; if you cannot progress after using the key, tap it to see the other side of the restroom.
• Mistake: tapping the sleeping workman or the frightened girl directly. They do not react until the partition wall is opened. Use the golden key on the keyhole first.
• Mistake: leaving the golden key on its hook. The key must be taken off the left partition and applied to the keyhole in the grey wall. If the wall stays shut, check whether the key is still hanging.