About Flattenheim
From ThunderstoreCommunity re-upload of Heimlife's original Flattenheim with a fix for terrain tears at sector boundaries and optional native Dig Deeper compatibility.
Flattenheim
Flattenheim is a lightweight Valheim terrain-building mod focused on fast, precise terrain shaping without Jotunn.
Re-upload and original authorship
This package is a community re-upload of the original Flattenheim mod by Heimlife, originally released as version 1.0.0. The original feature set is preserved. This release adds native, optional Dig Deeper compatibility directly in Flattenheim.dll. The original mod was authored by Heimlife.
Version 1.0.2 also fixes terrain tears when a flattening boundary ends exactly on a terrain-sector wall or corner.
Dig Deeper compatibility
When Dig Deeper is installed, Flattenheim's Pickaxe Flattening and Ramp terrain edits use Dig Deeper's live MaximumDepth and MaximumHeight settings. Dig Deeper is optional and is not a package dependency. If it is absent or its settings cannot be read, Flattenheim retains its original ±8 terrain-delta limit. No separate compatibility plugin is needed.
Features
Pickaxe Flattening
With a pickaxe equipped, hold the configured Flatten Hold key to flatten terrain around the target area.
Config:
- Size: 1–20 m
- Hardness / Smoothness: 0–100
- Shape: Square / Circle
- Ground Texture: Dirt / Keep Existing
- Flatten Hold: remappable hotkey
Flattenheim uses direct terrain editing rather than spawning permanent build pieces.
8-Direction Grid Movement
Optional world-grid movement while flattening.
Movement snaps to:
- N
- NE
- E
- SE
- S
- SW
- W
- NW
This is independent of camera direction.
Hoe & Cultivator Radius
Adjust the effective terrain-operation radius of the Hoe and Cultivator.
Config:
- Enabled
- Hoe Radius
- Cultivator Radius
- Increase Radius hotkey
- Decrease Radius hotkey
The mod keeps separate radius values for the Hoe and Cultivator.
Ramp Tool
Adds a Ramp option directly to the Hoe build menu.
Behavior:
- Creates a straight terrain ramp from the player's current ground position to the aimed terrain point
- Uses a persistent live trajectory preview
- Ramp start updates with the player's current position
- Ramp end updates with the current cursor/aim point
- No permanent build object is placed
- Uses direct terrain editing
Config:
- Ramp Thickness: 1–20 m
Revert Original Terrain
Adds Revert Original Terrain directly to the Hoe menu.
Behavior:
- Shows a live radius around the aimed terrain point
- Restores terrain height modifications inside the selected area
- Resets modified terrain paint in the affected area
Config:
- Radius: 1–20 m
No Jotunn
Flattenheim only requires:
- BepInEx
- Harmony
ConfigManager Sections
- General
- Flattening
- Movement
- Hoe & Cultivator Radius
- Ramp
- Revert Original Terrain
- Hotkeys
Installation
Install through Thunderstore Mod Manager / r2modman, or manually place:
Flattenheim.dll
inside:
BepInEx/plugins/Flattenheim/
Version
1.0.2 — community re-upload of Heimlife's original Flattenheim with a sector-boundary terrain fix and native, optional Dig Deeper compatibility.
Highlights
From source dataLoaders
Runs on BepInEx.
Footprint
Rated a light load on a server.
Last update
Its author last shipped an update 27d ago.
Flattenheim on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Valheim servers, for BepInEx servers. We download it from Thunderstore, place it, and restart the server.
- Server side
- Optional on the server
- Server type needed
- BepInEx
- Server load
- light
- Smallest plan we suggest
- Valheim — 4 GB (4 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- 1.0.3, released 2026-10-08
Game versions by loader
| Loader | Game versions | Newest |
|---|---|---|
| BepInEx |
From 3 recorded builds of Flattenheim.
Recent builds
| Build | Released | Game versions | Loaders |
|---|---|---|---|
| 1.0.3 | 2026-10-08 | n/a | BepInEx |
| 1.0.2 | 2026-10-07 | n/a | BepInEx |
| 1.0.1 | 2026-10-06 | n/a | BepInEx |
Dependencies
- Required: BepInExPack Valheim
Declared by the newest build that lists any. Required ones are installed with it on one-click installs.
Run Flattenheim on a Valheim server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogQuality of life & UI
Small conveniences, tweaks and interface improvements players notice straight away.
Works on a server
From source side supportThunderstore lists server-side support for Flattenheim as optional: it can run on a server, but isn’t required there.
Compatibility
- Game
- Valheim
- Loaders
- BepInEx
- Runs on
- Serveroptional on the server
- Requires
- One-click install needs a BepInEx server.
Verified at the source
- ✓ThunderstoreOfficial listing, checked 2026-10-08Open ↗
- ✓AuthorSelfFulfillment, as published on Thunderstore
- ✓LicenseNot published by the sourceFree




