Oxygen Not Included Codexery

Duplicant Tutorial

One small Duplicant, one big void, and a lot of oxygen to worry about.

The Duplicant Tutorial is the guided introductory sequence in Oxygen Not Included, where the player takes charge of a single, unnamed human Duplicant stranded in a small pocket of the colony. This Duplicant serves as the player's first and only charge during the tutorial, walking them through the core survival loops: managing oxygen, securing food and water, regulating temperature, and generating power. It is not a unique species or a named character with a personal backstory; rather, it is a standard human Duplicant repurposed as a pedagogical tool, the face behind the game's 'hello, welcome to the void' moment.

Because the tutorial Duplicant is a plain human, every mechanic the player learns here—mood, needs, work assignments, and resource loops—applies identically to every human Duplicant they will later recruit. The tutorial's design philosophy is to let the player feel the weight of one life before scaling up to a full colony, making the Duplicant Tutorial a quiet, intimate prologue to the broader survival saga of Oxygen Not Included.

Species
Human (standard)
Role
Tutorial guide / first colony member
First appears
Tutorial sequence (Chapter 1)
Affiliation
Player's colony (tutorial)
Special abilities
None (standard human baseline)
Status
Completes tutorial and transitions to regular colony play

Lore & Background

In the broader narrative of Oxygen Not Included, Duplicants are clones produced by the Duplicant Facility, each carrying a fragment of a donor's memories and personality. The tutorial Duplicant is no exception: it wakes in a cramped starter room with just enough air, a single food item, and a water source to keep it alive long enough for the player to learn the ropes. It does not speak in dialogue lines the way later Duplicants do; instead, its needs bubble up as simple, urgent prompts that teach the player to read a Duplicant's state before it becomes a crisis.

What makes the tutorial Duplicant thematically resonant is its solitude. Every other Duplicant in the game exists within a social web—friends, rivals, lovers, colleagues. The tutorial Duplicant has none of that. It is one consciousness in a metal box, and the player's job is to be the only thing standing between it and suffocation. That isolation mirrors the existential tone of the colony as a whole: these are copies of people, yes, but they still feel the cold, still get hungry, still die if you look away for too long.

Once the tutorial objectives are complete, the Duplicant simply becomes part of the ongoing colony. It does not get a special name, a unique portrait, or a farewell scene. It fades into the roster of workers, a reminder that every colony—no matter how sprawling and complex—began with one small figure blinking in the dark, waiting for someone to hand it a glass of water.

In Their Own Story

The lights hummed to life in stages—first the overhead strip, then the soft amber glow of the status panel. The Duplicant blinked, stretched, and looked at the four walls of its starter room. A single oxygen tank ticked away its reserves. A small food ration sat on the table. A water dispenser gurgled in the corner.

It did not know where it was. It did not know whose face had been copied into its own. It only knew that the air was thinning, that its stomach was a hollow ache, and that somewhere beyond the sealed door, a mind was learning to keep it alive.

The Duplicant picked up the water glass, drank, and set it back down. Then it waited. It had learned, in the fraction of a second that a Duplicant's first consciousness spans, that waiting was the only job it had. Everything else—building, growing, surviving—was someone else's problem. For now, that was enough.

Reader's Guide

Species: Human (standard baseline, no modifiers)

The tutorial Duplicant is a stock human with no species-specific bonuses or penalties. All needs and work capabilities are identical to any other human Duplicant you will meet in the game.

Needs & Mood Triggers: The tutorial Duplicant tracks the four core needs—Oxygen, Food, Water, and Temperature. Oxygen depletes passively and must be replenished via tanks or plants. Food and Water are consumed on a timer and must be sourced from crops or dispensers. Temperature outside the comfortable range (roughly 0 °C to 90 °C for humans) triggers mood penalties and, in extreme cases, health damage. Mood drops when any need is unmet; a Duplicant at zero mood will stop working and may suffer health loss.

Work & Abilities: As a standard human, the tutorial Duplicant can be assigned to any work category—Research, Construction, Farming, Mining, etc.—with no species lock. It has no innate resistance to radiation, extreme heat, or vacuum, and it cannot survive in a vacuum without a suit or pressurized room. It requires a bed for sleep and a toilet for hygiene, both of which affect mood.

Restrictions: None beyond standard human limitations. The tutorial Duplicant does not gain any permanent stat changes after the tutorial ends; it simply joins the colony roster as a regular worker.

Did You Know?

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