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⚙️ Unity Version: 2021.3.27 or newer

The Ultimate Level Design Toolkit for Unity

GSpawn is a powerful, intuitive, and fully-featured level design plugin built for the Unity Editor. Whether you're prototyping modular environments or populating vast worlds with props, GSpawn – Level Designer gives you the tools you need to create with speed and precision — all directly inside the Scene view.

🔗 Quick Links

• 🎥 Watch Trailer
• 🎥 Watch the Legacy Intro (Still Relevant)
• 📚 Read the Docs
• 🧰 Tutorial Series

🎬 Learn GSpawn

🚀 Get Started

• 🎥 Intro – Part 1: Modular Environments
• 🎥 Intro – Part 2: Outdoor Environments

🔹 Basic Workflow Tutorials

• 🎥 Small Library Tutorial
• 🎥 Tile Worlds Tutorial

🧱 Modular Building Tutorials

• 🎥 Village Interior Creation
• 🎥 Catacombs Design Workflow
• 🎥 Modular Walls & Pillars (Synty Assets)

🎨 Decoration & Brush Tools

• 🎥 Decoration Rules
• 🎥 Scatter Brush Overview

🧩 Tile Rule System

• 🎥 Tile Rules Part 1
• 🎥 Tile Rules Part 2
• 🎥 Tile Rules Part 3
• 🎥 Tile Rules Part 4

🌟 Why GSpawn?

GSpawn takes the tedium out of level design by combining powerful features with a streamlined interface. Ideal for indie devs, studios, and level artists.

🔧 Key Features of GSpawn – Level Designer

🧱 Smart Modular Tools

• 3D Tile Rules – Intelligent tile placement with support for ramps and platforms

• Modular Wall Builder – Auto-detects inner/outer corners, includes pillar support

• Extrude Gizmo – Instantly extend walls, floors, or tiles with intuitive controls

• Mirroring System – Mirror across up to 3 planes simultaneously for symmetrical level design

🖱️ Intuitive Placement & Editing

• Curve Spawning – Spawn along editable curves for fences, roads, tree lines, and more

• Grid Snapping – XZ and vertical snapping, auto climb, cursor-aligned grid, adjustable cell sizes

• Props Placement – Axis alignment, embed on surfaces, drag spawn, prefab randomization, offset, scale, and rotation control

• Scatter Brush – Rapidly place randomized prefabs with control over density, slope checks, alignment, and spawn chance

🎮 Physics & Interaction Tools

• Physics-Based Spawning – Drop objects with real-time or instant physics, including height, radius, and rotation jitter

• Rotate & Scale – Rotate and scale objects directly using mouse or keyboard shortcuts

• Erase Tools – Use the erase cursor or 2D/3D brush to remove items with precision

📦 Prefab & Scene Organization

• Prefab Management – Organize into libraries, use search, filters, library profiles, and drag/drop

• Prefab Replacement – Instantly swap instances in the scene with new prefabs

• Object Groups – Organize scene elements into logical groups for easier management

🧰 Advanced Tools & Utilities

• Tile Tools (Segment & Box Spawn) – Integer pattern tiles, fill and height modes, terrain projection, overlap detection

• Selection Tools – Rectangle, box, and segment selections for bulk editing

• Transform Gizmos – Move, rotate, scale, and universal gizmos for precise control

• Custom Shortcuts – Fully configurable hotkeys for faster workflows

🔍 The following asset packs were used in promotional screenshots, the trailer, and tutorial videos, but are not included with the GSpawn – Level Designer plugin:

• Multistory Dungeons – Mana Station
• Village Interiors Kit – 3DForge
• KayKit - Dungeon Remastered Pack – Kay Lousberg
• POLYGON Dungeons - Low Poly 3D Art by Synty – Synty Studios
• Medieval Environment Pack – Manufactura K4
• Fantastic Village Pack – Tidal Flask Studios
• Voxel Blocks Pack – Tsunoa
• Toon Forest Pack – Cat on the Roof

Have fun building — and feel free to reach out with questions.