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Isekai Elevator Trap and Escape Room Challenge
In the third chapter of No Sleep for Kaname Date, your group accidentally completes a ritual that traps Ota in an isekai elevator. To save him, you need to work as Iris and Moma to free him before it’s too late.
Solving the Entry Code to the Rocket Ship
You must figure out the code to unlock the rocket ship on Iris’s level. Then, identify which Iris is real when you take control of Moma in this part of the escape room. Use the clues on Iris’s level to help solve the puzzle.
How To Enter The Rocket Ship
After placing the buttons in the correct slots on the elevator, the trap completes — the elevator transports Ota to another world. You accidentally completed the code by pressing all the buttons.
To prevent this, head to a locked rocket ship in the back corner of Iris’s level, near the sky screen used earlier to study constellations. The ship requires a six-letter code to unlock.
Go to the green planet display on Iris’s floor. There, you’ll see a tiny hole at the top. You have a needle from earlier, used during a record-playing scene, so remember that you also used a paper cup and needle to play a record just before this. Use this method again.
However, Iris has the needle, and Moma has a paper cup left from removing a sticker earlier in the chapter. Moma is on a different floor, so you’ll need to be creative in sending the cup to Iris.
Sending the Cup to Iris

Remember the item exchanges between Ota and Iris during the green warp portal scene. Red portals send items between certain locations: red sends to green, blue to red. Moma’s floor has a blue portal, while Iris’s has a red portal. As Moma, throw the cup into the blue portal to send it down to Iris.
As Iris now has the cup, use your inventory’s combine mode to combine the cup and needle. Then, go to the green planet display and interact with the top of the case. You can now lower the needle into the display to listen to a broadcast from the planet.
The broadcast reveals the rocket ship code: MUNDUS. Return to the locked ship as Iris, enter this code, and get inside the rocket.
Determining Which Iris Is Real
After Iris boards the rocket, it moves to another level, where you switch control to Moma. He witnesses five rocket ships with images of Iris on their doors descend from above, among the moons where you previously shot a lizard moon in the eye.
Moma’s goal is to shoot the fake Iris ships to save the real one. To start, you should get behind the gun and aim at the sky. Identify and shoot down the obvious fakes: the leftmost ship, the middle, and the rightmost one.
The second and fourth Iris images look identical. To find out which is the real Iris, switch control back to Iris and examine the ship closely.
Look out the window of Iris’s ship. You will see the lizard moon to Iris’s right. Using this, and knowing what the real Iris can see, shoot down the rightmost Iris.
However, leaving the last ship alive causes a new puzzle involving the Third Eye. Iris mentions seeing a “beautiful moon,” but since you previously shot the eye on the lizard moon, you realize Iris isn’t in that ship either. Shoot the remaining ship to finalize the puzzle.




