Getting Started

Getting Started

The Main Window

The main window has three areas:

• Available Mods (left): installed but not active (Mods.inactive folder)
• Active Mods (right): active and loaded in-game (Mods folder)
• Detail Panel (far right): info about the selected mod

Arrow buttons between the panels activate/deactivate mods.

Toolbar

Button	Action
Profile selector	Switch between saved mod profiles
Save	Save the current mod state as a profile
Manage Profiles	Open the profile management dialog
Start Game	Launch Derail Valley via Steam
Refresh	Re-scan mod folders
Unload All	Deactivate all active mods
Check Updates	Query GitHub and Nexus for updates
Update All	Download and install all available updates
Settings	Open the settings dialog

Status Bar

• Game indicator: green dot when Derail Valley is running (mod operations are locked)
• Status message: current operation or last action result
• Version: app version, clickable update link when a new release is available

Installing Your First Mod

1. Download a mod ZIP file for Derail Valley
2. Drag the ZIP onto the window, or click Install (right arrow) and browse to the file
3. The mod appears in the Available Mods panel
4. Select it and click Activate (right arrow), or drag it to the Active panel
5. If the mod has dependencies, they're activated automatically
6. Launch Derail Valley - the mod is loaded by Unity Mod Manager

Mod States

Color	State	Meaning
Green	Active	In the Mods folder
Gray	Inactive	In the Mods.inactive folder
Amber	Update Available	Newer version on GitHub or Nexus
Orange	Missing Dependency	A required mod is not installed
Gray (muted)	No Metadata	No Info.json found

Drag and Drop

• Drop a ZIP on the Active panel: installs and activates
• Drop a ZIP on the Available panel: installs without activating
• Drop a .json profile file: imports the profile

See Also

• Managing Mods
• Mod Groups
• Profiles Overview