How Hamilton's Exodus Books Connect to the 2027 Game

I have been hyped for the Exodus game since Matthew McConaughey walked onto The Game Awards stage in late 2023. Then I found out there were novels. Then a tabletop game, an animated episode, and a 928-page book I was apparently meant to read first.

That is the trouble with Exodus. It is not one thing, it is four, spread across books, a video game, a tabletop RPG, and animation, all set in the same universe and arriving in a confusing order. If you are standing where I am, half sci-fi reader and half gamer, this is the map I wish someone had handed me.

Do you need to read the Exodus books before the game?

No. You do not need to read the Exodus novels before playing the game. They share a setting, the Centauri Cluster roughly 40,000 years in the future, but the developers have confirmed the books carry no bearing on the game's story. Read them for the lore and atmosphere. Nothing here is assigned reading.

That comes straight from the studio. On the Exodus subreddit, the team said the book's story will have no bearing on the game and exists mainly to provide background lore, races, and the texture of the world. So if you were dreading a 1,680-page reading assignment before you can pick up a controller in 2027, you can relax.

The books and the game are siblings, not chapters. They were built side by side. Hamilton got the worldbuilding notes from the game writers, expanded the universe in his own direction, and a few of his ideas may loop back into the game.

So what actually is Exodus?

Strip away the hype and Exodus is a single science fiction setting told through four formats.

There is the video game, a single-player action RPG from Archetype Entertainment, a studio staffed by ex-BioWare developers and led by James Ohlen. There are the novels, Peter F. Hamilton's Archimedes Engine duology. There is the tabletop RPG, the Exodus Traveler's Handbook, published through Wizards of the Coast. And there is a Secret Level animated episode set in the same world.

The connective tissue across all of them is one idea: time dilation. Humanity fled a dying Earth in arkships and scattered across the stars, and the ones who travel near light speed come home to find centuries have passed for everyone they left behind. That is the emotional engine of the whole franchise, and it is the thing McConaughey's character keeps circling in the trailers.

Here is how the pieces line up.

Format	What it is	Status	Start here if...
Secret Level episode	Short animated story	Out now	You want the fastest taste of the tone
Traveler's Handbook	5e-style tabletop RPG	Out now	You want to play in the universe today
The Archimedes Engine	Novel, 928 pages	Out (2024)	You read for deep worldbuilding
The Helium Sea	Novel, 752 pages	Out (2026)	You finished book one
Exodus (video game)	Single-player action RPG	April 7, 2027	You came for the McConaughey RPG

The books: the Archimedes Engine duology

The reading order is mercifully simple.

1. Exodus: The Archimedes Engine (2024), 928 pages, the opener.

2. Exodus: The Helium Sea (2026), 752 pages, the conclusion.

Two books, and that is the entire duology. No spin-offs to chase, no side novellas to slot in.

The first book landed in September 2024 and runs an enormous 928 pages. It follows Finn, a young man born under the rule of the Celestials, transhumans who have evolved far past the humans arriving fresh off ancient arkships. The scope is vast: multiple plotlines, roughly 50 years of in-story time, and a cast that takes a while to lock into place.

The Helium Sea closes it out. It landed on June 16, 2026 through Random House Worlds at 752 pages, with the UK Tor hardback two days later. Readers on r/printSF have called it a solid four-star finish, with a few noting the ending feels slightly rushed after a thousand-plus-page build. If you loved book one, book two picks up exactly where it left off.

I have not finished the Archimedes Engine myself. It is a brick, and I have been pacing it between everything else, so treat this as a map of the landscape from someone still making his way through the 1,680 pages. What I can tell you is that the people who finish it tend to come out the other side as evangelists. Adrian Tchaikovsky called it 'real big picture sci-fi,' and Stephen Baxter said it 'may be the first of a new genre.'

The game: still a 2027 thing

If a trailer is what sold you, here is the reality check. Exodus launches on April 7, 2027, a date the studio announced at Gamescom's Opening Night Live in August. Big games slip, but this is the first firm date the project has ever had.

It is a single-player, third-person action RPG for PS5, Xbox Series X/S, and PC, and McConaughey plays a prominent role. It first appeared at The Game Awards in December 2023, then returned with a bigger story trailer at the 2025 show. The pitch that keeps coming up, and the one that actually fits, is Mass Effect meets Interstellar, which tracks given the BioWare lineage and the time-dilation hook.

The core mechanic ties straight back to the books' central idea. Your choices ripple across time, and missions that send you near light speed cost you years with the people you love. Building a full-length RPG around that kind of loss is a bold swing, and it is the reason I keep paying attention to a game that is still the better part of a year away.

How the book and the game connect

Loosely, and on purpose. They occupy the same universe, the same Centauri Cluster, the same arkship history, the same Celestials and Travelers. The novel tells its own self-contained story with its own characters.

One reviewer who went hunting for crossover details summed it up well. You can occasionally spot a paragraph that is clearly setting up a game system, but it never pulls you out of the story. What they share is the worldbuilding. Hamilton was handed the setting and ran with it in his own direction.

So the novels are the richest way to understand this world before the game arrives, even though none of it is required. Think of them as the most detailed primer you could ask for, written by one of the genre's biggest names.

The parts everyone forgets

Two more pieces round out the universe, and both are easy to miss.

The Exodus Traveler's Handbook is a full tabletop RPG built on a 5e-style system, published under Wizards of the Coast through Archetype. You pick an Origin and a Class, salvage Remnant tech, and run missions where time dilation reshapes your Traveler Dynasty between sessions. If you want to play in this universe before the game lands, this is the only way to do it properly right now.

Then there is the Secret Level episode, a short animated story set in the Exodus world. It is the lowest-commitment door in: no 900-page book, no tabletop group, no waiting on a release window. A single short sitting and you have a feel for the tone.

So where should you actually start?

It depends on what you are.

If you are a gamer who just wants the RPG, start with the Secret Level episode and wishlist the game. Skip the books unless the lore pulls at you, because nothing in them is required reading for 2027.

If you are a reader first, start with Exodus: The Archimedes Engine and decide after 200 pages whether the scale is your thing. If it clicks, The Helium Sea is already out, so there is no waiting between books. When you finish both and want more, my Best Sci-Fi Book Series to Binge in 2026 list has twelve more places to go. Hamilton also had a second book out this year. The Captain's Daughter, his YA Arkship novel, finally got a print edition in June, and I covered it in June 2026 Sci-Fi Book Releases You Can't Miss.

If you want to play something today, the Traveler's Handbook is your move. It is the only piece of Exodus you can fully experience right now.

My own plan is simple. Finish the Archimedes Engine before the game ships, treat The Helium Sea as the long flight home, and walk into 2027 already knowing why losing time hurts so much in this universe. The game is the destination. The books are the head start, and for once, nobody is forcing you to take it.