Brain Test Level 150 Walkthrough & Answer
Level 150★★★★★
Guide by LevelWalks
Players Google "Brain Test: Tricky Puzzles Level 150" specifically because the answer feels like it should be obvious — and isn't. That gap between "should be easy" and "actually stuck" is what makes this one worth a walkthrough.
## Question
**Brain Test Level 150:** Whose flag is this? (shows red and white stripes)
## Answer
Drag the flag to reveal more of it — there are hidden stars. It's the USA flag.
## Step-by-Step Walkthrough
A flag with red and white stripes is shown, but it could be several countries. Drag the flag or scroll to see its full design. Hidden behind the edge of the screen are white stars on blue — it's the USA flag.
Here is exactly how to solve Brain Test Level 150:
1. Read the question carefully — Brain Test loves wordplay and misdirection.
2. Look at every element on screen, including the question text itself.
3. Drag or scroll to see the full flag — part of it is hidden off screen.
4. If you are stuck, remember that Brain Test rewards lateral thinking over logical answers.
## Why It's Tricky
Partial information bias makes you guess from incomplete data. Multiple flags have red and white stripes, so a hasty answer is likely wrong. Brain Test teaches you to gather ALL available information before deciding — literally by dragging to reveal more.
## Why This Level Is Tricky
Mid-difficulty Brain Test levels exploit cognitive biases — anchoring, framing effects, and confirmation bias all play a role. The puzzle is engineered so your first instinct leads you astray. Recognizing which bias the level targets is half the battle. Mid-game levels (51-150) start combining multiple trick types in one puzzle. You might need both wordplay and physical interaction to solve a single level. If one approach fails, switch to a completely different trick category.
## Common Mistakes
Players frequently make these errors on Level 150:
- Tapping the most obvious on-screen element without reading the full question first.
- Ignoring the question text as a potential interactive element — in Brain Test, words on screen can often be dragged, tapped, or used as part of the solution.
- Giving up too quickly instead of experimenting with device gestures like tilting, shaking, or using multiple fingers.
Tips
- The question text and UI elements are part of the puzzle — don't treat them as decoration.
- Look at negative space, shadows, and object arrangements for hidden patterns.
- Remember: Brain Test Level 150 has a difficulty rating of 3/5 — it challenges your assumptions.
Progressive Hints
Try each hint in order. Expand only as much as you need — stop before the spoiler if you want to solve it yourself.
Hint 1(small nudge)
The stripes alone don't identify the flag. There's likely more of the flag that isn't visible on screen yet.
Hint 2(warmer)
Try dragging or swiping the flag itself — Brain Test often hides part of an image just off-frame.
Hint 3(near answer)
Drag the flag to pull it fully onto the screen. Hidden stars appear in the corner — it's the USA flag.
FAQ
- How do I solve Brain Test Level 150?
- Drag the flag to reveal more of it — there are hidden stars. It's the USA flag. This is one of the trickiest puzzles in Brain Test because it requires you to think outside the box rather than using straightforward logic.
- Why is Brain Test Level 150 so hard?
- Brain Test Level 150 ("Whose flag is this? (shows red and white stripes)") tricks players by using misdirection. Partial information bias makes you guess from incomplete data.
