Story arcs

The game has 149 story dialogues grouped into 26 arcs. Ixion is the main story and gates every character unlock; the rest are personal, faction, and world arcs.

Character unlock order

Three characters start with you on day 1: Amelia, Liu, William. The other seven join through the Ixion arc in this order:

Order	Character(s)	Joins in
1	Polina	Ixion 04
2	Maria + Noemi	Ixion 08
3	So Young	Ixion 12
4	Gabriel	Ixion 15
5	Omar + Dwayne	Ixion 18

Ixion chapters

27 chapters, listed in order. Six chapters (04, 08, 11, 12, 15, 18) have branching a/b variants; chapter 21 is missing from the asset list.

Chapter	Topic	Character intro
01	Intro	-
02	Health	-
03	Food	-
04	Polina	Polina
05	Planet	-
06	Medic	-
07	Antares	-
08	Maria, Noemi	Maria + Noemi
09	Respirators	-
10	Exploration	-
11	Wormhole	-
12	So Young	So Young
13	Tiamat	-
14	Atlanteans	-
15	Gabriel	Gabriel
16	Unease	-
17	Useless	-
18	Omar, Dwayne	Omar + Dwayne
19	Debrief	-
20	Disease	-
22	Artificial	-

Personal arcs

Per-character personal stories that unlock after the character joins the camp.

Amelia

Chapter	Topic
03	Insomnia
04	Anger
05	Breakdown
06	Talk

Liu

Chapter	Topic
02	Defusing
03	Apologies
04	Monologue

William

Chapter	Topic
01	Bomb
02	Dad

Polina

Chapter	Topic
01	Disturbed
02	Investigation
03	Silence
04	Truth

Maria

Chapter	Topic
01	ADHD
02	Prayer
03	Trance
04	Guardian

So Young

Chapter	Topic
03	Killer
04	Emotions

Gabriel

Chapter	Topic
01	Agitated
02	Sabotage
03	Suspicion
04	Advice
05	Confession
06	Philosophy

Dwayne

Chapter	Topic
01	Nihilist
02	Drug
03	Withdrawal
04	Addict

Omar

Chapter	Topic
04	Leader

All 26 arcs

Arc	Dialogues	Notes
Ixion	27	Main story. Gates every character unlock.
Ceremony	18	Branching ceremonial and political arc.
Awiii	16	Alien faction arc with battle-gated branches.
Earth	10	Ship repair, hibernation, and return-to-Earth prep.
Ending	10	Eight ending variants and two decision gates.
Victor	10	Victor arc (NPC, not a playable crew member).
Ooooyuweh	7	Alien faction arc.
Gabriel	6	Gabriel personal arc.
Guardian	5	Guardian-related storyline.
Trust	5	Cross-character trust dialogues.
Amelia	4	Amelia personal arc.
Dwayne	4	Dwayne personal arc.
Maria	4	Maria personal arc.
Polina	4	Polina personal arc.
Liu	3	Liu personal arc.
Nergal	3	Antagonist / faction arc.
Ereshkigal	2	Antagonist / faction arc.
Marduk	2	Antagonist / faction arc.
So Young	2	So Young (Park) personal arc.
William	2	William personal arc.
Enki	1	Single beat in the Enki sub-arc.
Ishtar	1	Single beat in the Ishtar sub-arc.
Omar	1	Omar personal arc (only chapter 04 found).
Shalala	1	Single beat.
Tiamat	1	Single beat.