🪢 Quad's Ziplines

Ziplines (zip line): build two posts, even kilometres apart, run a rope between them and ride it downhill hanging from your axe. Fast travel across valleys and down mountains, saved with the world.

Source code · Report a bug · Discord

✨ Features

Ziplines: build two posts, run a rope between them and ride it, hanging from your axe.

What is in it

• The Zipline Post is in the hammer menu (Misc). Build one, build another (a line can be kilometres long), press E on the first and then on the other, and a rope runs between them.
• A line only runs downhill: press E on the higher post to ride. You hook your axe over the rope and hang from its handle with both hands, feet dangling. Without an axe (or with the setting off) you hang from a wooden triangle instead.
• You are lifted to the rope and slide along it, faster downhill and faster on longer lines, the view widening and the wind rising, and are eased down at the far end. Press jump to let go. Shift+E on a post takes its line down.
• A line has to be rideable: it must fall enough, your feet must clear the ground all the way and nothing may stand in the way; if not, it says why.
• The lines are saved with the world (each post keeps its partner's place, so the far end need not be loaded), and others see you glide.

Everyone in the world needs it installed (the post is a building piece: a game without the mod deletes it when its area loads). Restart after installing.

📸 Screenshots

A Zipline Post on the roof, its rope rising out over the bay

Riding down the line, hanging from your axe

The Zipline Post

🧩 Other mods

Goes well with

Parkour	Jet Skis	Portal Hub	Build Orders

Known clashes

• Ziplines by Einherjer: both work side by side, each with its own posts and ropes.

Found a clash with another mod? Tell us which one and what happened.

👥 Multiplayer

Who needs it: Everyone, and the host above all: a game without the mod deletes the pieces when their area loads. Restart after installing or updating them.

A line is saved on both posts, so it comes back with the world. Running or taking down a line needs ward permission at both posts; anyone can ride.

The host decides: line length and slope, speeds, and whether you need an axe. While you play on their world their values replace yours (your file isn't changed); a host without the mod leaves everyone their own.

🌍 Languages

English, Русский (Russian), Deutsch (German), 简体中文 (Chinese), Português do Brasil (Portuguese), Español (Spanish), Français (French), Polski (Polish), Türkçe (Turkish). It follows the game's own language setting.

The translations were made with AI, so a few words may be off. To correct one, or to add your language, put a file in BepInEx/config/translations/com.quad.ziplines/ named after the game's name for the language (German.json, Italian.json, Japanese.json...) with only the lines you change, copied from English.json (it wins over the built-in one). Or tell us the better words and we'll put them in for everyone.

⚙️ Settings

In BepInEx/config/com.quad.ziplines.cfg, made the first time the game runs with the mod. r2modman and Thunderstore Mod Manager edit it under Config editor.

Building

Setting	Default	What it does
PostCost	Wood:15, Resin:4, LeatherScraps:4	What a zipline post costs to build with the hammer (at a workbench). Item prefab names and amounts, separated by commas, like FineWood:12, BronzeNails:30 (Claude Tools' prefabs <text> shows exact names). A cost with a mistake in it keeps the last good one. [Synced with Server]

Lines

Setting	Default	What it does
MaxLength	12000	The longest a zipline can be (metres). A line remembers where its other end is, so the far post does not have to be loaded: the world around you loads as you ride. In multiplayer the server's value applies.
MinSlope	0.005	How much a line must fall to be ridden, as a part of its length (0.005 is 5 m in every 1000). A line only runs downhill, from its higher post to its lower. In multiplayer the server's value applies.

Riding

Setting	Default	What it does
LongLinesFaster	true	The longer the line, the faster you go (up to eight times), so a line of kilometres takes minutes, not an hour. You slow down for the last stretch either way. In multiplayer the server's value applies.
TopSpeed	24	How fast you go downhill at the most (metres per second). In multiplayer the server's value applies.
MinSpeed	5	How fast you go on the flat or uphill at the least (metres per second). In multiplayer the server's value applies.
HangBelowRope	2.5	How far below the rope your feet hang (metres): your arms reach up to the handle, so this is about your height plus a little.
NeedAnAxe	true	You hook an axe over the rope and hang from its handle, so you need one with you to ride. Off, you hang from a wooden triangle instead. In multiplayer the server's value applies.
SpeedPercent	50	How fast the whole ride is, as a percent of the standard speed (50 is half as fast, 200 twice). In multiplayer the server's value applies.
WindVolume	0.12	How loud the wind is at full speed (0 to 1).
WideView	true	The view widens as you speed up, for the feel of it.
WindSound	true	The sound of the wind, rising with your speed.

🤖 Made with AI

Made with the help of Claude (Anthropic), with Claude Code: designed, written and checked together, and tried in the game.

💬 Join us on Discord

Come hang out with the people who make and play these mods. In the Quads Lab Discord you can:

• 🛠️ Get help and report bugs straight to us
• 👀 See new mods first, and help test them before they're released
• 🗳️ Suggest ideas and vote on what we make next
• 🏰 Share your builds, bases and arena runs
• 🤖 Talk AI coding and vibe coding with people building things with AI, the way these mods are made

Join the Quads Lab Discord →

🧪 About Quads Lab

Quads Lab is where Quad H (HardHeadHackerHead) builds software with AI, of every kind: these Valheim mods are one of its projects. Each mod is designed by a player, written with Claude Code and tested in our own world, with bobisme as our tester.

• 🌐 quadslab.io
• 🧰 All Quads Lab mods on Thunderstore
• 💻 Source code on GitHub
• 💬 Discord
• ☕ Buy me a coffee
• 🐞 Found a bug? Open an issue on GitHub

☕ Support my mods

Every Quads Lab mod is free, and it stays that way. If one of them made your game better and you'd like to say thanks, a coffee helps me make new mods and keep improving the ones you already play. It's 100% optional, and always appreciated!

☕ Buy me a coffee →

📜 Recent changes

• 0.3.3 On a server without Ziplines, the zipline post is gone from the hammer, and a message says why: the server would delete a post built there. Server owners can change what a post costs ("Building", PostCost; default 15 wood, 4 resin and 4 leather scraps, as before); in multiplayer the server's cost applies, and a cost with a mistake in it keeps the last good one. Settings: edits to the config file now apply while the game runs (a server owner no longer has to restart), and a server's admins can change the server's settings from their own game with Configuration Manager, where other players see them greyed out. Your config file always keeps your own values while you play on a server (saving it there could write the server's in). Players on an older version still get the server's settings. A post snaps by its foot now (onto a floor's corner, a wall's top or a pole's top), no longer by the wooden pole's points it was copied from (1 m above and below the pole's middle), which could leave it hanging 1 m up or sunk 1 m.
• 0.3.2 Fix: after reloading the mod at the main menu (the mod manager's reload, or F6), its old build piece stayed in the hammer's list after it was gone, and every change to your bag threw an error half-way: crafting gave the item without taking the cost, and picking things up could go wrong, until the game was restarted. Its piece now comes off the list it was put on, and destroyed pieces left there by any mod are cleared when it registers.
• 0.3.1 Fixes. Moving, attacking, blocking or crouching while you ride no longer drops you off the rope (only Jump lets go, as before). Logging out or the game saving while you ride now brings you back on the ground under the line, not hanging in the air to fall. Reloading the mod mid-ride sets you down on the ground instead of dropping you. Taking down a line, or running one, to a far post that isn't loaded on your game now changes that post too in multiplayer (the host does it), so no rope is left running to nowhere; the host needs this version for that.

Every change is on the Changelog tab.