Build apart. Thrive together.
Co-op Timberborn where each player runs their own colony on one shared map, and the colonies trade at Trading Posts.
Ordinary BeaverBuddies co-op puts everyone in one colony. Here you're neighbors: your own districts, beavers and science, next door to a friend's.
1.4.0-rc31Timberborn 1.1.2.4Beta: back up your saves
One map, a colony each, and one rule between the colonies.
Host any map: one of the game's own or a multi-start map. The river, the weather and the droughts are shared by everyone.
Each player runs their own districts, beavers, stock, working hours and science. Nobody else can change your buildings, and your beavers work only for you.
Your roads never join theirs, except through a Trading Post placed between them. Offer goods, science or beavers; each round crosses once both sides are in.
The host decides with one checkbox, Separate colonies: on the New Game page for a new game, or in a shared save's Co-op Game room.
What you get: a colony each from the first day.
What happens: everything built so far stays your colony, science and unlocks included. Each friend starts fresh: a new district center, already built, with starting beavers, food and water.
Every player, host included: five steps, then one check with your host.
Most co-op trouble comes from missing one of these.
From the newest release, download TimberTogether-1.4.0-rc31.zip under Assets (not "Source code"). Got a zip from your host? Use that one.
The game must not be running while you change its mods.
In Documents\Timberborn\Mods, delete any other multiplayer mod's folder: the Stability Fork (BeaverBuddies-Stability-Fork) or an older copy of this mod. Unsubscribe from the Workshop BeaverBuddies. Your saves aren't in this folder.
Extract the zip and copy the TimberTogether folder into:
Documents\Timberborn\ModsYou should end up with Mods\TimberTogether\version-1.1\manifest.json.
Start Timberborn and enable Harmony, Mod Settings and Timber Together in the mod manager. Restart if asked.
All three must match.
If anything differs, the join is refused with Multiplayer build mismatch. Everyone installs the same zip and restarts the game.
Everyone meets in a room, then you start together. After that, each of you runs your own colony.
Every co-op game starts here, new or saved. Everyone joins, then you all load it together, paused.
Nobody can join after Start game. To let someone in later, the host uses Save and rehost and friends choose Rejoin.
The host ticks Mixed factions on the New Game page, and each player picks a faction in the room. Your colony gets your faction's toolbar, beavers, bots and buildings. Between factions, Trading Posts carry the goods both use, and science, but not beavers.
Needs every faction unlocked on the host's computer, and no other faction mod; otherwise the box is greyed and says why.
Your colony is kept for you. To keep it running, press Y → Let … look after it. Your friend presses Run this colony to play it, and Back to your colony when done. Take it back any time.
The host can also set Hand over a colony after its player is away (days) in Timber Together's settings. It's 0, never, by default.
Your districts, beavers, stock, working hours and marks. Nobody else can change your buildings, and your beavers work only for you.
No land and no borders: build right up to a neighbor. The one rule: your roads never join theirs. Ctrl+L shows every colony's roads.
With Separate science and unlocks ticked (the default), each colony earns its own science and unlocks its own buildings.
The save knows you by your Steam ID, so you get the same colony whoever hosts.
Speed, pause, pings, chat, saving, and the map itself: water, droughts, badwater and weather.
A fifth player or more helps run the host's colony.
Swap goods, science or beavers: this many for that many, round after round. A round crosses only when both sides are in. Try it below, with the mod's own rules.
Cycle 3, day 12 · A copy to try things out; nothing is saved. Goods icons are Timberborn's.
In the game: build a Trading Post (District Management, 10 logs) with one half's door on your road and the other on a neighbour's. It trades once both roads reach it. Y lists your Trading Posts and every colony, with its goods in stock. An offer's message stays on the other player's screen until they answer or close it, and says the whole trade.
Everything from the BeaverBuddies Stability Fork that Timber Together is built on, including its fixes for the crashes and desyncs that made co-op painful.
Invite friends from Steam's overlay, with no port forwarding. Direct IP and Hamachi work too.
Who's connected and which colony they run, ping, sync status and tick rate, with chat, a speed boost and who paused the game. A speaker on each player's row mutes their sounds.
Bind Ping location and mark a spot on everyone's map, in your own color.
See your friends' cursors, selections and what they're editing, anywhere on the map.
Every action goes through the host, which checks it against the colony rules and plays it for everyone, or refuses it with a reason.
Who owns each district, building and mark is in the save, the same on every computer. Beavers take their work from these only.
In a separate-colonies game every computer checks its colonies against the host's as the game runs; a difference stops the game straight away, and the log names it. The full rules
The release candidate for 1.4.0. Automated checks cover everything here, and all but one feature has been played. Play on a copy of your save and keep backups.
Open an issue with these from every player, not only the one who saw it.
%USERPROFILE%\AppData\LocalLow\Mechanistry\Timberborn. Close the game first.TimberTogether-Reports folder beside it. Ctrl+Shift+J writes one any time; in a separate-colonies game a desync writes one on every computer.Logs include file paths with your Windows user name; check them before posting if that matters to you.
The problems people hit most. Everything else is on the troubleshooting page.
Someone's game, mod version or mod files differ from the host's, even if the version numbers match. Everyone installs the same zip, replaces the TimberTogether folder and restarts the game. Then compare the three readings again.
The host chooses Esc → Save and rehost; the friend chooses Rejoin, or joins from Join co-op game. Everyone meets in the room again, in any order, and Start game carries on.
Only one multiplayer mod can run. Delete every other multiplayer mod's folder from Documents\Timberborn\Mods, unsubscribe from the Workshop version, and restart the game.
A path of yours would touch their road, or a door would open onto it. Keep your roads a cell apart, or link them with a Trading Post. Ctrl+L shows whose roads are whose.
Each half needs a different colony's road at its door: yours at one, theirs at the other.
The release candidate for 1.4.0. Everyone in a game needs this build.
Offer 101 logs for 2 gears, or 500 for 500. Nothing is refused. The game carries exactly that, up to 100 of each a round, and Rounds shows how many.
The Global history graphs, the wellbeing window and a good's stock chart show only your colony.
The Trading Posts and colonies window (Y) matches the game's own windows, with readable text.
Download the mod, send your friend the install steps, and meet at a Trading Post.