Brain Test 4 Level 334: Doctor Worry must activate that device.
Brain Test 4 Level 334
Screenshots

Quick Answer
Connect the broken wires, pull the lever, and press the blue then yellow buttons.
Skills Tested
Step-by-Step Solution
- 1) Connect the broken wires that are hanging loose.
- 2) Pull the lever once the wires are joined.
- 3) Press the blue button.
- 4) Press the yellow button right after to finish.
Hint
Reveal a hint
Fix the wires, pull the lever, then press blue and yellow.
Why It Works
This puzzle requires following a precise order of operations. Reconnecting the wires first, then pulling the lever, and finally pressing the buttons in sequence is what activates the device.
Frequently asked questions
How do I solve Brain Test 4 Level 334?
Connect the broken wires, pull the lever, and press the blue then yellow buttons.
What is the answer to Brain Test 4 Level 334?
Rejoin the wires, pull down the lever, then tap the blue button followed by the yellow button.
What is the trick in Brain Test 4 Level 334?
The trick is the right order: the wires must be fixed before the lever, and the buttons pressed in the blue-then-yellow sequence.
Why do I need to press the buttons in Brain Test 4 Level 334?
Because tapping blue and then yellow in that order is what finally activates the device once the wiring is fixed.
Is there a video walkthrough for Brain Test 4 Level 334?
Yes, the embedded video on this page shows the wires being connected, the lever pulled, and both buttons pressed.
How do I avoid getting stuck in Brain Test 4 Level 334?
Follow the sequence exactly: fix the wires, pull the lever, then press blue and finally yellow.