Level walkthrough
Brain Test Level 137 Walkthrough: Raise the Corners of the Mouth to Smile

Brain Test Level 137 Walkthrough: Raise the Corners of the Mouth to Smile
Complete Guide, Step-by-Step Explanation, Common Mistakes
🧩 Level Information
- Level Number: 137
- Problem Statement: Swipe up the corners of the mouth
- Difficulty: Easy
🎯 Objective
Swipe the corners of the mouth of the character (face) on the screen upwards to change the sad face into a smiley face.
📝 Solution Steps
- Find the character (or face) near the center of the screen's mouth.
- Place your finger on one side (corner) of the mouth.
- Swipe upwards to move and lift the corner of the mouth.
- Swipe the opposite corner upwards in the same way to lift it.
- When both corners are lifted and the face smiles, the level is cleared. Note: In some games, only lifting one side can also clear the level.
💡 Hints
- Is the character not looking sad now? Let's change that expression.
- The key is not just tapping but sliding your finger in a 'swipe' motion.
- Try swiping the ends (corners) of the mouth upwards. It should result in a smile.
🧠 Explanation & Points
This stage is a super simple trick of literally executing the instruction 'Swipe up the corners of the mouth'. Unlike regular puzzles where you need to combine items or find hidden objects, in this problem, 'the description itself is the solution'. Players often have preconceived notions like 'there must be another gimmick', 'there must be a button or hidden switch', but in reality, you can clear it just by directly dragging and reshaping the mouth on the screen. Players not accustomed to swipe operations may tend to try 'tapping only', so through stages like this in Brain Test, there is also the aim of familiarizing players with various operations like long presses and swipes.
🔍 Common Mistakes
- Releasing after just tapping the mouth, resulting in nothing happening.
- Swiping the eyes, nose, or other parts, causing no change in expression.
- Swiping upwards somewhere on the screen (swiping only the background instead of the mouth area).
- Swiping the text area, failing to touch the face itself.
🎉 Advice After Clearing
Raising the corners of the mouth will cause the character to smile and the level will be cleared. Understanding that this type of problem where following the text instructions leads directly to the solution will be helpful in similar puzzles in the future.