Dr. Sora Vale, a charismatic adult moon physician, studies a failing oxygen console in retrofuturist style
CEFR B2Retro moon-colony medical drama~14 min5 chapters per route

Interactive English speaking story

Oxygen for Twelve

The moon clinic has twelve patients. The reserve supports eleven. One reading is a lie.

Join Dr. Sora Vale during a lunar oxygen emergency. Prioritize patients, challenge faulty data, repair the greenhouse line, and defend a humane decision under pressure.

ร่วมมือกับดร.โซรา เวลในเหตุฉุกเฉินออกซิเจนบนดวงจันทร์ จัดลำดับผู้ป่วย ท้าทายข้อมูลผิด ซ่อมท่อเรือนกระจก และปกป้องการตัดสินใจที่มีมนุษยธรรม

You play

Dr. Sora Vale's emergency partner on a failing moon clinic

Verify the oxygen readings, negotiate a fair plan, and save twelve people with air for eleven.

Speak aloud · a few missed words are okay · 2 endings

A story that changes with your voice

Preview the opening chapters

Follow one possible opening route below. Your choices lead to different outcomes. Speaking rehearsals revisit your chosen route after its resolution and are counted separately from the story chapters.

Dr. Sora Vale, a charismatic adult moon physician, studies a failing oxygen console in retrofuturist style
Scene 01

Eleven masks for twelve

A meteor strike seals the clinic. The oxygen display shows eleven full masks for twelve patients, and the rescue shuttle is forty minutes away.

The impossible reading: One patient appears to consume four times the expected oxygen. Sora suspects a sensor error, but station command demands immediate rationing.
Scene 02

The impossible reading

One patient appears to consume four times the expected oxygen. Sora suspects a sensor error, but station command demands immediate rationing.

Frost in the oxygen line: The sensor is correct, but it measures a frozen greenhouse line leaking oxygen into the service tunnel. Repairing it requires opening an exposed chamber.
Scene 03

Frost in the oxygen line

The sensor is correct, but it measures a frozen greenhouse line leaking oxygen into the service tunnel. Repairing it requires opening an exposed chamber.

Useful expressions

English you can actually say

  1. 01I think we should verify every oxygen tank before assigning the masks.
  2. 02I would like to stabilize the patients while you check the oxygen reserve.
  3. 03I think the reading may be inaccurate, so we should test the sensor before rationing.
  4. 04I would like to request five minutes to verify the data before we reduce anyone's oxygen.
  5. 05I think we should shut down the greenhouse and repair the valve together.

Story vocabulary

Words you meet in context

reserve
สำรอง
transparent
โปร่งใส
priority
ลำดับความสำคัญ
sensor
เซ็นเซอร์
ration
ปันส่วน
evidence
หลักฐาน
leak
รั่ว
exposed
เสี่ยงต่อสภาพภายนอก

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01

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02

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03

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Questions about this story

What English level is Oxygen for Twelve?

Oxygen for Twelve is written for CEFR B2 learners. The level describes the story's target language difficulty, not an official proficiency assessment.

How do I play Oxygen for Twelve?

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