Cairn Characters and Companion: Aava, Climbot, and Marco
Introduces the protagonist, companion, and climbers' roles relevant to progression. Does not include ending details or unconfirmed relationships.
Scope: Cairn main game, PC / PlayStation 5
Checked scope: Mount Kami climbing, early exploration, and supplies. Not a comprehensive list of collectible coordinates or every route. Additions planned for October 29, 2026 are listed separately from the main game.
Sources checked on: 2026-10-16
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Main-game characters and companion
Aava is the climber; this is not a party system where you swap characters of different classes.
Scroll horizontally to read wide tables.
| Name | Position | Role in the guide |
|---|---|---|
| Aava | Climber attempting Mount Kami's summit | Protagonist whose limb positions, rest, and supplies you control |
| Climbot | Robot assisting the climb | Supports securing, piton recovery, recycling, and related tasks |
| Marco | Climber encountered on the mountain | Someone involved in Aava's journey, not a protagonist selected at the main game's start |
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Reading Aava's condition
Aava's bodily reactions inform your control decisions. Check her current state rather than relying on a fixed character-stat table.
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| Cue | Decision |
|---|---|
| Breathing and trembling | Whether to rest before moving again |
| How limbs are extended | Whether there is room to improve posture |
| Finger condition | Whether treatment is needed at a bivouac |
| Hunger, hydration, and cold | Whether you are ready for the next climb |
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No invented ages, strength stats, affection requirements, or skill trees are listed.
What Climbot handles and what you decide
Climbot helps manage equipment, but the player chooses which wall to climb and where to resupply.
Scroll horizontally to read wide tables.
| Companion support | Your own checks |
|---|---|
| Securing and piton handling | Piton-compatible rock and quantities remaining |
| Fragment recycling | Replenishment upon reaching a bivouac |
| Rubbish processing | Remaining chalk and other supplies |
| Interactions along the route | Rest stops and next direction |
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Additional content allowing Marco control
As of October 16, 2026, playable Marco and Free Roam are announced as October 29 additions.
- Base the main-game walkthrough on Aava's controls.
- Do not mix Marco's control conditions or abilities with early main-game unlock requirements.
- After release, check the actual selection screen and update details before following added-area guides.
Future content is not treated as already playable.
Frequently asked questions
I cannot find the switch to Marco
As of October 16, 2026, Marco control and Free Roam are additions planned for October 29. They are not current main-game starting requirements to search for.
Does this include character endings?
This page covers roles and involvement in the climb. Every ending branch and conversation-collection condition is not included.