Cyberpunk 2077 has had an unusually long second life. The 2.0 overhaul and Phantom Liberty turned a troubled launch into one of the better-regarded RPGs of its generation, and the mod scene has kept the game busy ever since. What the game has never had is other people in it. Night City was built for one.
A small independent team has spent the past several months building the piece that would change that, and their approach is worth paying attention to because it is not the one most people expect. OPEN//77 is not a co-op mod, and it is not a single official-feeling multiplayer mode bolted onto the campaign. It is an attempt to build the infrastructure that would let hundreds of separate communities each run their own Cyberpunk server, with their own rules, their own scripts and their own reason to exist.
The shorthand the team uses is FiveM, but for Cyberpunk 2077 – imagine what FiveM did for GTA V, happening inside Night City instead. That is an analogy and nothing more. OPEN//77 is an independent project with no affiliation to FiveM, Cfx.re, Rockstar Games or CD PROJEKT RED. But it explains the shape of the thing in a sentence, and it sets the right expectation: the excitement is not supposed to be “Cyberpunk has multiplayer.” It is supposed to be that a few thousand players and creators could each build something different inside the same city.
How the platform works
Under the hood, OPEN//77 adds a native client module to a retail copy of the game and pairs it with a dedicated server, the two speaking a custom replication protocol. The requirement is Cyberpunk 2077 version 2.31 with Phantom Liberty.
The server is authoritative rather than peer-to-peer, which is the detail that makes the rest possible. Player movement, animation and emotes replicate between clients. Gunfights, melee and even grenade flight are synchronised, with combat audio travelling too. Vehicles replicate properly – drivers, passengers, and authoritative damage – and time of day, weather and world destruction are shared world state rather than something each client decides for itself.
Servers themselves run on Windows or Linux as versioned builds, with a setup wizard for first-run licensing and configuration, and they are administered through a web panel called Warden. Warden covers the unglamorous but essential things: validated config editing, announcements, scheduled restarts, multi-user access with custom roles, an audit trail, and live Lua resource uploads that hot-reload without taking the server down.
Players get an OPEN//77 account with email verification, and a launcher that handles authentication in the browser, verifies the game install, applies signed auto-updates and supports direct connect through open77:// links. Resources download automatically when you join a server, so one client is meant to take you anywhere.
What communities could actually build
Scripting is where the ambition lives. Servers are scriptable in Lua 5.4 against a documented API, with separate client-side and server-side runtimes, isolated Lua VMs per resource, permission-gated APIs and MySQL bindings for persistence. Interfaces are built with HTML, CSS and JavaScript through a Chromium-based WebUI layer, which is a far more forgiving way to build an inventory screen or a job board than wrestling with the base game’s menus.
A freeroam gamemode ships as a reference implementation. From there the stated scope is wide open: roleplay cities with police, corporations, gangs, fixers, shops, jobs and player economies; racing leagues; deathmatch and PvP; pursuit modes; survival; purely social servers. The team is explicit that OPEN//77 does not dictate the game mode – server creators decide their world’s identity.
Anyone who watched the GTA RP scene grow up on FiveM will recognise the pattern immediately. The platform supplies the plumbing; the communities supply the reason anyone shows up.
Where it actually is right now
This is the part that needs stating plainly, and to the team’s credit they state it themselves. OPEN//77 is in active pre-alpha development and private testing. The public alpha is not open. There are no public servers to join yet. No release date has been given, and the server directory goes live when the alpha does.
What does exist is more than a pitch deck. There is a public Windows launcher, published documentation, and a development blog updated most days that reads like an actual changelog rather than marketing. Entries from the past fortnight cover ranked pursuit with server tuning and native voice chat, deathmatch with bots and rating systems, battle royale with working loot, revives and shields, expanded race systems, major third-person progress, persistent wardrobe, animated vehicle entry, pilotable aerial vehicles and a second dedicated server.
That cadence is the most persuasive thing about the project. Platform mods for single-player games have a long history of arriving as a trailer and a Discord and then going quiet.
Worth watching, with the obvious caveat
The open question is population. A server browser is only as good as the servers in it, and the servers are only worth running if players turn up – which is a chicken-and-egg problem that no amount of good engineering solves on its own. It gets answered after the public alpha opens, not before.
For now, the project is taking developer alpha signups, and the people it most wants to hear from are the ones who would end up running servers: roleplay community owners, Lua developers, modders and content creators.
The site is at open2077.net, the server creator guide at open2077.net/create, documentation at open2077.net/docs, and the Discord – where development is posted as it happens – is at discord.open2077.net
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