-Click on the doorbell to check : If you see an "Absent" sign hanging on the peephole, it indicates that conventional methods will not work.
-Operate the portal : drag the portal arrow below subtly above the door to try to break the regular path.
-Perform operations : Click the door button and a vortex will appear, implying that you need unconventional methods to pass this level.
-Level analysis : This level tests the player's innovation and observation. Although it seems simple, it does require thinking outside the box.
1. Q: Why can’t I open the door in the normal way?
A: This level is designed with a special mechanism that requires you to use portal arrows to create new entrances.
2. Q: How should the portal arrow move to trigger the mechanism?
A: Drag the arrow above the door so that it forms an indirect connection with the door.
3. Q: What if I don’t understand the game mechanics?
A: You can check the guide or try to think from different angles. Sometimes you can find the answer by changing your thinking.