LEVEL
CLUE100 DoorsEscape from School · 140 guides

100 Doors Games: Escape from School · Doors 61–80

100 Doors Escape from School Level 71

Use Balloons, Water & Helium to Unlock the Door

100 Doors Escape from School Level 71 Use Balloons, Water & Helium to Unlock the Door gameplay screenshot
100 Doors Escape from School Level 71 gameplay screenshot from Economic Frontline. Game artwork © Peaksel Games.View source
Match the room before using the steps

Versions can reorder doors. Confirm “Use Balloons, Water & Helium to Unlock the Door” and the screenshot before following Level 71.

Solution checkedLevel 71 verified 2026-09-29 · verified

Quick clue

Use the clue below to get moving without exposing the entire solution.

100 Doors Escape from School Level 71 quick clue: Start by collecting these: a plunger (under the sink), two balloons (one on the faucet, one on a shelf near the red stool), water (H 2 O) from the red stool on the right — and a helium container (He) located low in the middle of the room. Then: Combine one…

Step-by-step walkthrough

01

Inspect the classroom

Start by collecting these: a plunger (under the sink), two balloons (one on the faucet, one on a shelf near the red stool), water (H 2 O) from the red stool on the right — and a helium container (He) located low in the middle of the room.

02
03

Important notes

  • This guide is mapped to Level 71, “Use Balloons, Water & Helium to Unlock the Door,” in the current 140-door ordering.
  • Follow the item order shown above; many objects do not respond until an earlier action is complete.
  • If your room looks different, match the screenshot and visible puzzle before relying on the level number.
  • Wait for the door animation, then tap the opening to finish the level.

Useful solving habits

  • 1Check desks, shelves, wall art, and the floor for small interactive objects.
  • 2Open collected items when two inventory pieces need to be combined.
  • 3Write down codes and color orders before opening a keypad or dial.
  • 4Restart the room if an action was performed out of sequence and the puzzle stops responding.

Items and completion

The walkthrough identifies every required object and puzzle action for this door. Optional hint coins do not change the solution.

Guide checked against a complete illustrated walkthrough, an independent 140-door guide, and a full gameplay video.

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