Mission Directives

Lore & Background

In the world of Oxygen Not Included, the colony exists in a vertical cross-section of an alien planet, surrounded by rock, gas pockets, and biological hazards that would kill an unshielded Duplicant in seconds. The Mission Directives emerge from this reality: they are not arbitrary game design choices but the logical sequence of problems a stranded crew must solve to stay alive. First, you need a sealed space. Then you need air. Then you need to keep that air from freezing or igniting. Then you need to feed the people who are breathing it. Each layer of complexity is a directive, and each directive is a small victory against the planet's indifference.

The directives carry a quiet narrative weight. The player never sees the face of whoever is issuing them, but the tone of the briefings—measured, slightly formal, tinged with urgency—suggests an authority that is watching from a distance, perhaps from the wreckage of the colony ship or from a relay station in orbit. The Duplicants, for their part, treat each new directive as a shift change: a new problem to solve, a new corner of the cross-section to tame. Their dialogue, when they comment on a completed task, often carries a mix of relief and weary competence, as though they have done this before on a hundred other worlds and this one is just the latest.

What makes the directives feel alive in the player's experience is their interdependence. Completing the oxygen directive does not end the problem; it introduces the heat-management problem. Solving the heat problem introduces the power-generation problem. The colony is a machine of consequences, and the directives are the sequence in which those consequences must be addressed. Skip one, and the chain snaps.

In Their Own Story

The screen flickers to life in the back of a cramped workshop, its blue glow the only light in a room that smells of solder and recycled air. A Duplicant—small, round-headed, with the particular blankness of someone who has been working a fourteen-hour shift—taps the glass with one thick finger. The directive is marked complete. A soft chime. Somewhere above, in a sealed chamber she built three days ago, a row of Oxy-Fans hums their endless, grateful rhythm, pushing breathable air through a network of pipes she routed herself.

She does not smile. Duplicants do not smile at tasks. But she pauses, just for a moment, watching the little green checkmark pulse on the screen, and then turns back to the next line. The next directive is already waiting. It always is. The planet does not care that she finished one. The planet only cares whether she finishes the next before the temperature drops another two degrees. She picks up her wrench. The shift continues.

Reader's Guide

What is known about Mission Directives comes from the in-game Mission Control panel, the briefing text that introduces each mission group, and the Duplicants' occasional dialogue lines that reference completing or failing a task. The panel displays each directive as a short imperative phrase with a progress indicator, grouped under a parent mission heading. The briefings use a formal, slightly detached register—consistent with an external authority issuing orders to a remote colony—and they frame each task as a requirement rather than a suggestion.

The directives progress thematically: early ones focus on basic survival (sealing a habitat, producing oxygen, generating power), while later ones introduce more complex systems (thermal management, food chains, waste processing, and eventually larger-scale engineering). The player may complete directives in a flexible order within a mission group, but new groups appear only after prior ones are satisfied, creating a soft sequential structure.

Ambiguities and fan theories: The identity of the entity issuing the directives is never explicitly named in the base game. Some players theorize it is the AI of the crashed colony ship; others read it as a generic 'Mission Control' abstraction with no in-world face. The Duplicants' dialogue sometimes refers to 'the mission' as though it were a shared, understood purpose, but no single line of in-game text confirms the full backstory. The relationship between the directives and the game's ending is also left open: completing all directives does not trigger a single conclusive narrative beat, which fans interpret either as an open-ended survival premise or as an intentional design choice to let the colony persist beyond the checklist.

Did You Know?

• The Mission Control interface uses a distinct visual language of blue holographic panels and progress bars, reinforcing the idea that the player is an external operator rather than a character inside the cross-section.
• Duplicants will occasionally comment in dialogue when a directive is completed, treating it as a routine work milestone rather than a grand achievement.
• The directives are designed so that completing one often introduces the next problem—solving oxygen introduces heat, solving heat introduces power—making the list a chain of consequences rather than a simple to-do list.
• The game's tutorial is separate from the main Mission Directives, suggesting that even the 'first instructions' are a layer above the colony's actual survival tasks.