00 Multiplayer Overhaul for Starfield

Explore the settled systems together

Project: Constellations turns Starfield's single-player galaxy into a shared frontier — fly with your crew, hold an outpost, and jump between systems in real time. In active development — follow the build below.

Join the Discord See the roadmap

Mission Profile

Crew Members 2

Settled Systems 1

Current Build 0.1Pre-Alpha

Latest Milestone 2026 · 07 · 20 · Proven in-game

Your character now lives on the server — and joining takes one click.

Sign back in and you pick up exactly where you left off: your character's face, the spot you were standing on, and your credit balance are all saved on the server and restored the moment you rejoin — no character creation to redo. And getting there is now a single click: pick a server, pick your character, and you're in the shared world in about thirty seconds.

Next up — in order

Inventory & gear — your items and loadout carry over between sessions, the same way your credits already do.
Character progression — levels, skills, and perks persist with your character.
Combat & two real players on one screen — the announcement-video milestone.

001 Development Roadmap

The flight plan.

Shipped In flight Exit gate Queued

Foundation & Proof of Life

Prove the core is possible — a second, networked character can be spawned in the live game and driven in real time, with a lightweight client layer.

Operational

86%

12 / 14 objectives · foundation proven

Real-time client state — read the live player position and schedule updates safely, in step with the game loop.
Character & space model — identify a distinct in-world character and map every location to a stable space ID the server shares.
Networked movement — drive a second character's position through a path that survives game updates.
On-demand spawn — a fully rendered networked character, wearing the player's own face, appears on request.
Ship-interior handling & multi-crew kill-switch Exit

Two Players Walk on Kreet

The first shared world — a second player, moving with real animation, on your screen. Server, netcode, and in-game host all live.

Exit met · bots

100%

Exit met (bot form) · in-game host live

Protocol & dedicated server — a 30-message protocol with sessions, auth, join / leave, and chat — all live-tested.
Client netcode — server + 8 bots + a real client, end-to-end: connected, spawned everyone, interest filtering correct.
In-game host LIVE — the networking core runs inside the game; a networked player joins over the wire and walks from live network data.
Exit met (bot form) — a real Starfield client sees another player move with real locomotion animation.
Two real players on one screen — the announcement-video variant; likely needs a second machine.

◂ You are here — the frontier

Combat & the World

Server authority is done and load-tested — now bringing combat, NPCs, and persistent world state to the client. This is the live frontier.

In progress

62%

4 shipped · 3 in flight · 1 exit gate

Server core done & load-tested — interest management, delegated NPC authority, and movement / damage validators.
32-player load test — 32 of 32 connected, zero rejected, sub-100 ms round-trip (p95 78 ms).
NPC sync — 11 NPCs driven in-game at once with clean AI hand-back; their walk animation comes after combat. In flight
Combat sync — live-tested: PvP hit detection with real in-game damage, and draw / holster fully synced. In flight
World sync — containers, loot, and enemy alive/dead; the server half is done and verified. In flight
Exit: 32 bots + 4 real players on one planet, no meltdown Exit

Services Online

Accounts, friends, a character vault, and the server registry that ties the fleet together.

Live · dev-auth

86%

Accounts, vault, launcher & character save — live

Master services — server registry + heartbeat (live-verified), friends and presence, character vault with per-server economy isolation.
Standalone accounts — register / login with proper password hashing and tokens; server-to-master verification.
Persistent characters — your character is saved on the server, per world. Rejoin and your face, position, and credits come back exactly as you left them; inventory and progression are next.
Launcher & server browser — pick a live server, create or manage your characters, and drop into the shared world in one click.
In-game server-browser overlay — the in-game version is still queued.

Economy

Trust-minimized trading and a provenance ledger — so items can't be duplicated and every credit has a paper trail.

Core done

75%

3 / 4 · escrow + ledger tested

Escrow trading — stage → lock → confirm → atomic commit, anti-bait-and-switch; tested including double-spend.
Provenance ledger — mint / own / transfer, credit balances, a full audit trail, and an admin quarantine ladder.
Trade UI, shops, and the auction house — UI-dependent.

05·06

Ships · Outposts · PvP Polish · Voice

The frontier's endgame — shared ships, contested outposts, tuned PvP, and crew voice.

Queued

—

Not started · the protocol already carries the payloads

Shared ships and contested outposts land with their phases — the protocol already carries the voice, NPC, and space / region messages they need.

Mission Status

The hardest part is behind us.

Phases 0 through 4 are operational, persistent characters and one-click join are live, and Phase 2 — combat and the shared world — is the frontier. From here it's client feature-parity, then scale toward open playtests.

Unit + integration79 / 79 green

E2E smokemaster + server + 32 bots · pass

Loadp95 RTT 78 ms

002 Ready for Launch

Assemble your crew.

Be there when the settled systems open. Join the Discord for dev updates and playtest invites, or back the project on Patreon to help it reach launch faster.

Join the Discord Support on Patreon